1
st
edition EX54.01
www.hydrocontrol-inc.com
EX54
LOAD SENSING vALvE
TECHNICAL CATALOGUE
This catalogue shows the product in the most standard congurations.
Please contact our Sales Dpt. for more detailed information or special requests.

All specications of this catalogue refer to the standard product at this date.
Walvoil, oriented to a continuous improvement, reserves the right to
discontinue, modify or revise the specications, without notice.



541
Walvoil nel mondo - 
Sede principale, Filiali e Ufci di rappresentanza

Walvoil S.p.A. - Headquarters
Via Adige, 13/D . 42124 Reggio Emilia . Italy
Phone +39 0522 932411 . info@walvoil.com - www.walvoil.com
Business Unit Hydrocontrol
Via San Giovanni, 481 . 40060 Osteria Grande
Castel S. Pietro Terme . Bologna . Italy
Phone +39 051 6959411
Galtech Site
Via Portella della Ginestra, 10 . 42025 Cavriago
Zona Industriale Corte Tegge . Reggio Emilia . Italy
Phone +39 0522 932411
A
ustrAlAsiA
Walvoil Fluid Power Australasia Pty Ltd
13 Vanessa Way . Delahey VIC 3037 . Melbourne . Australia
TEL. 0061 458 918 750 . australasia@walvoil.com
B
rAsile . BrAzil
Interpump Hydraulics Brasil Ltda – Walvoil Division
Gilberto de Zorzi, 525 . Forqueta Caxias do Sul (RS)
TEL. 0055 54 3223 2373 . infobrasil@walvoil.com
C
AnAdA
Galtech Canada Inc.
3100, Jacob Jordan . Terrebonne . Qc J6X 4J6 . Canada
Phone +1 450 477 1076 Ext:225 . info@galtechcanada.com
C
inA . ChinA
Walvoil Fluid Power (Shanghai) Company Limited
24, Lane 129, Dieqiao Road . Pu Dong . Kanqiao Industrial Zone Shanghai (201319)
TEL. 0086 21 60979800 . info@walvoil.com.cn
Guangzhou Bushi Hydraulic Technology Ltd
Shangwei Shaheshe, Yuehu Village . Xiancun, Xintang Town . Zengcheng City
511335 Guangzhou . Guangdong Province China
Phone +86 021 52380695 . fareast@hydrocontrol-inc.com
C
oreA . KoreA
Walvoil Fluid Power Korea Ltd. - SOUTH KOREA
80-15, Oseongsandan 1Ro, Oseong-Myun, Pyungtaek, Kyungki . Korea 451-872
TEL. +82 31 682 6030 . info@walvoil.co.kr
F
rAnCiA . FrAnCe
Walvoil Fluid Power France
362 rue de Bretagne . 44540 Vritz
TEL. 0033 2 41 94 41 06 . france@walvoil.com
indiA
HC Hydraulic Technology(P) LTD
A5(B) Ngef Ancillary Indl. Estate . Whiteeld Road
Mahadevpura (Po) . Bangalore 560048 . India
Phone +91 080 40454707 . info@hydrocontrol-india.com
Walvoil Fluid Power (India) PVT. LTD.
No 23, Doddanakundi Industrial Area Mahadevapura Post Behind Graphite India
Bangalore 560 048
TEL. 0091 80 41842900 . info@walvoil.co.in
u.s.A.
Hydrocontrol Inc.
1109, Technology Drive . Red Wing . MN 55066 . U.S.A.
Phone +1 651 212 6400 . usa@hydrocontrol-inc.com
Walvoil Fluid Power Corporation
4111 North Garnett Tulsa, OK 74116, USA
TEL. 001 918 858 7100 . info@walvoiluidpower.com





















     













         


               




    
    


    

    
   

    



    















  












  
  
  



              

       
 



 


 



 


 
 





 








 


 
 

 











 
   
  
   
   




 
 
 
 
 
 






    



2
3
Workport A
54
1
Workport B




























LS
R
P
T
B1 A1
B2 A2 B3 A3
T1 (drain line)

M
P
LS
T
T1 (drain line)
b2
b1
A1 B1 a1
A2 B2 a2







 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
        
     

     

    
     


                


  

B
A
3
P
T
2
1
B
A







    
  

  
  
  
  
  
  
  













Tie rod
Nut
Washer
Tie rod kit



  
       
       
      


T
P
A1
A2
B1
B2
b1
b2
a1
a2
69
277
213
92
11254.5
64
53
37 64
54
52
(Y) 246
208
T1
74
2618
9393
23
161
162
36
102
74
56
74
36
57
160
29.5
41 16.5
(X) 137
M12 N°4 fixtures
20
16
LS




  
       
       
        

M12 N°4 fixtures
20
16
160
29.5
41 16.5
(X) 137
36
57
LS
36
56
74
162
74
124
T1
180
109.5 109.5
161
23
21
74
123
T
P
A1
A2
B1
B2
277
213
92
11254.5 53
37 64
54
52
(Y) 246
109.5104.5
208
21
49
83







0
5
10
15
20
25
30
pressure [bar]
0 35 70 105 140 175 210 245 280 315 350
flow [l/m]


0
50
100
150
200
250
300
350
pressure [bar]
flow [l/m]
0 35 70 105 140 175 210 245 280 315 350

D
0
50
100
150
200
250
300
Flow [l/min]
12 14 16 18 20 22 24 26
Pressure [bar]
Spool 250250
Spool 200200
Spool 150150
Spool 100100
Spool 5050
350
400
450






D
0
100
75
50
25
125
150
175
200
225
250
flow [l/min]
0-1-2-3-4-5-6-7
+1 +2 +3 +4 +5 +6 +7
stroke [mm]
700 810 920 1030 1250
12V current [mA]
350 405 460 515
1140
570 625
24V current [mA]
9,1 11,6 14,1 16,6 19,1 21,7
Hydraulic pilot [bar]
stroke [mm]
12V current [mA]
24V current [mA]
Hydraulic pilot [bar]
Spool 250250
Spool 200200
Spool 150150
Spool 100100
Spool 5050
1250 1140 1030 920 700
625 570 515 460
810
405 350
21,7 19,1 16,6 14,1 11,6
9,1
-8-9
+8 +9


0
50
100
150
200
250
300
350
0 20 40 60 80 100 120 140 160
flow [l/m]
pressure [bar]


0
3
6
9
12
15
18
21
0 20 40 60 80 100 120 140 160
flow [l/m]
pressure [bar]






 
  
 
  
  
  
  
      

A
B
C
P
T
2
3
4
5
1
   
  
 

 
 
 
 
  
 

 
 

 








   

















T P


T P
T P
T P
T P
V4B
V3B
V11C
V10C
V1A
V2A
Plug kit
code 430095008
A
B
C
P
T
P
T


    
   
    




      










 

 
 

 



V4B
V10C
V1A
Plug kit
code 430095008
A
B
C
P
T
 

 




 

 


V3B
V10C
V1A
Plug kit
code 430095008
A
B
C
P
T
V4B
V11C
V2A
A
B
C
P
T

 

 

 

 






V11C
C
P
T
Coil



























 













  



 


  



 


  











  






































LS
P
T
V1A
V4B
M
V10C
LS
P
T
V1A
V4B
M
V10C
LS
P
T
V1A
V4B
M
V10C
R
LS
P
T
V1A
V4B
M
V10C
R




P
T
430098004
1
433098002
2

   
 
 
 





   
 
 





P
T
430098005
2
433098001
3
430000017
1






    
  
  
  
  
  
3
5
1
2
4
B
A
   
 

 
 

 
 

 
 
 
 
 
 
 













  




T
P A B
T
P A B

Spool
Spool end






     






   


  

  

  
T
P A B
T
P A B
T
P A B



  







 
 
 
 


 











Spool actuation - Side A

   


















93
208
93
28
69
69
28
394
88
208 88
69
69
33
33
384
88
88
117208117
442
28
28
69
69

   



107.5
120
174.5










   
























107.5
139
107.5
139
107.5
120
107.5
120
154.5
107.5
120
174.5

 
 















   






 
 

 
 
 
 
 
 
 
 

 

 
 
 

 
 
 
 
 

 
 

 
 


107.5
170









Spool return action - Side B

   





118.5
153.5





   

















108.5
109.5
108.5
133.5
108.5
153.5







Solenoid




  

   
   
    
    
    
    
  
  
  








    






















    


 





















































b
A B a
B A

















b
A B a
Local LS
relief valve
B A
Local LS
relief valve








 










 



 
B
A
Plug 430098002
B
A
Local LS relief valve











   

   




 
 
 
 








 




   

   




 
 
 
 








 










    
  
  
  
  
  
2
A
5
B
1
4
3
   
 

 
 

 
 

 
 
 
 
 
 
 















   





























   




























LS drain
B A
T1 (drain line)
LS drain
B A
T1 (drain line)
Local LS
relief valve
LS drain
LS drain






     




 
 
   
  


  
  
  
  
  
  
  
  

 

 
 
 

 

 
 
 


 

 
 
 


 

 
 
 

A
B
C
P
T
2
3
4
5
1





     

  
  
  
  
  

  
  
  
  
  

 
 
  

  
  
  
  

  
  
  
  
  
  
  
 





 
7
1
A
3
5
6
2
4
8




     




 
 
 
 
 




 


 

 

 

 
 










 







 







 







 










 







 







 








     




 
 
 
  
   
  




 
 
 
  
   
  







     

 



 
 
 

 
 
 
 


 
 
 
 
 
 
 
 


 
 
 
 
 
 
 
 

 



 
 
 

 
 
 
 


 
 
 
 
 
 
 
 


 
 
 
 
 
 
 
 




   
 
 
 
 


B
A
P
T
B
A
Inlet section
Work section
1
2
3
4
Kit completo: 350998001






 

 



 




 
 
 
 
 
 
 
 



 
 
 

 

 

 
 
 

 
 

 

 


   
   
   
   
   
   





 
 

 
 

 

 

 



 
 


    
       


 

 



 
 

 
 

 

 
 

 

 

 
 


 

 





Plug - Hex.6
30 Nm
Plug - Hex.32
80 Nm
Plug - Hex.5
20 Nm
Valve - Hex.30
65 Nm
Plug - Hex.8
65 Nm
Nut - Hex.19
20 Nm
Valve - Hex.24
40 Nm
Plug - Hex.30
65 Nm
Plug - Hex.24
40 Nm
Plug - Hex.8
65 Nm









Plug - Hex.8
55 Nm
Screw - Hex.5
12 Nm
Plug - Hex.8
55 Nm
Screw - Hex.5
12 Nm
Screw - Hex.3
2 Nm
Nut - Hex.13
20 Nm
Valve - Hex.27
80 Nm
Screw - Hex.5
12 Nm
Screw - Hex.5
12 Nm




Plug - Hex.8
55 Nm
Screw - Hex.5
12 Nm
Plug - Hex.8
55 Nm
Screw - Hex.5
12 Nm
Valve - Hex.27
80 Nm
Plug - Hex.6
30 Nm








  

  

       

       















     

























         
         
           
           
   

     

















       
     
       
       
 

   
                

C
A
B
D








Serial number
Product code
Made in Italy
00 08075 00
44 612
Serial number
Product code




    




       








































  






               








             










Via Adige, 13/D . 42124 Reggio Emilia . Italy
Phone +39 0522 932411 . info@walvoil.com - www.walvoil.com

Via San Giovanni, 481 . 40060 Osteria Grande
Castel S. Pietro Terme . Bologna . Italy
Phone +39 051 6959411

Via Portella della Ginestra, 10 . 42025 Cavriago
Zona Industriale Corte Tegge . Reggio Emilia . Italy
Phone +39 0522 932411
Austr AlAsiA

13 Vanessa Way . Delahey VIC 3037 . Melbourne . Australia
TEL. 0061 458 918 750 . australasia@walvoil.com
BrAsile . BrAzil

Gilberto de Zorzi, 525 . Forqueta Caxias do Sul (RS)
TEL. 0055 54 3223 2373 . infobrasil@walvoil.com
CAnAdA

3100, Jacob Jordan . Terrebonne . Qc J6X 4J6 . Canada
Phone +1 450 477 1076 Ext:225 . info@galtechcanada.com
CinA . ChinA

24, Lane 129, Dieqiao Road . Pu Dong . Kanqiao Industrial Zone Shanghai (201319)
TEL. 0086 21 60979800 . info@walvoil.com.cn

Shangwei Shaheshe, Yuehu Village . Xiancun, Xintang Town . Zengcheng City
511335 Guangzhou . Guangdong Province China
Phone +86 021 52380695 . fareast@hydrocontrol-inc.com
CoreA del sud . south KoreA

80-15, Oseongsandan 1Ro, Oseong-Myun, Pyungtaek, Kyungki . Korea 451-872
TEL. +82 31 682 6030 . info@walvoil.co.kr
FrAnCiA . FrAnCe

362 rue de Bretagne . 44540 Vritz
TEL. 0033 2 41 94 41 06 . france@walvoil.com
indiA

A5(B) Ngef Ancillary Indl. Estate . Whiteeld Road
Mahadevpura (Po) . Bangalore 560048 . India
Phone +91 080 40454707 . info@hydrocontrol-india.com

No 23, Doddanakundi Industrial Area Mahadevapura Post Behind Graphite India
Bangalore 560 048
TEL. 0091 80 41842900 . info@walvoil.co.in
u.s.A.

1109, Technology Drive . Red Wing . MN 55066 . U.S.A.
Phone +1 651 212 6400 . usa@hydrocontrol-inc.com

4111 North Garnett Tulsa, OK 74116, USA
TEL. 001 918 858 7100 . info@walvoiluidpower.com
1
st
edition EX54.01

EX54


