m50


1
st
edition M50.06

This catalogue shows the product in the most standard congurations.
Please contact our Sales Dpt. for more detailed information or special requests.
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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.


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506
Walvoil nel mondo - 
Sede principale, Filiali e Ufci 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
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
              

    
    
    
    
    
  

1
2
3
2.1
2.3
2.5
2.4
2.2

















A B A B A B
RP RP RP
Check valve in inlet




A B A B A B
RP RP RP
Check valve in inlet
A B A B A B
RP RT RP
Check valve in inlet




A B A B A B
RP RT RP
Check valve in inlet





M 8
M 8
10462 62
46
26.5
63.5
57.5
65 26.5
(91.5)
(228)
18°
18°
614340
38 35 35 34.5 24
8111.5 11.5
Ø8.5
24.25 24.25
16.25
Ø8.5
Ø 8.5
62
(189)
(X)
19.510.5
(Y)
T
A1
B1
P
A2
A3
B2B3
43
39.25
48.5
104
       
       
       
       






(152.4)
10462 62
16
43
80
(228)
M8
M8
18°
18°
57.5
65 43
(108)
24
34.535352117
8111.5 11.5
Ø 8.5
Ø 8.5
48.5
24.25 24.25
16.5
62
Ø8.5
39.25
(X)
19.5
10.5
(Y)
A1
B1
A2A3
B2B3
T
P
43
40
104
       
       
       
       











0 10 20 30 40 50
M50/7
M50/1
Qp
(l/min)
30
20
10
0
∆p
(bar)
OUT
IN
OUT
IN
0 10 20 30 40 50
30
20
10
0
M50/7
M50/1
Qp
(l/min)
∆p
(bar)
0 10 20 30 40 50
30
20
10
0
M50/7
M50/1
Qp
(l/min)
∆p
(bar)
OUT
IN

 



0 10 20 30 40 50 [Qp (l/min)]
[
Δ
p (bar)] 350
300
250
200
150
100
50
0







0 10 20 30 40 50 [Qp (l/min)]
[
Δp (bar)] 350
300
250
200
150
100
50
0
0 10 20 30 40 50 [Qp (l/min)]
[
Δp (bar)] 10
8
6
4
2
0



 


 
 






   
















P
T
P T
P
T
P
T


   


















P
T
P
T
P
T
P
T
P
T
P
T
P
T
P
T
P
T
P
T
P
T
P
T







 
 








  
 
 
 
 
       





T P
T P


1B - Direct Relief Valve





  
 
  



















   


  

  

  













   
   
   
   
  
  
 

 
 
 






   














62
73
65
57.5
40
M8
M8
40
57.5
65
62
M8
M8
7
49
40
8
Ø8

   








60
60
224














 












 










A1
B1
A2
B2
IN
OUT
B1
A1
A2
B2
B1
A1
B2
A2
IN
OUT
A1
B1
A2
B2
A1
B1
A2
B2
IN
OUT
B2
A2
B1
A1
B2
A2
A1
B1
IN
OUT
A1
A2
B1
B2














Precarico
Preloading
Fine corsa
End stroke
K2(N)
K1(N)
Corsa - Stroke
0
100%

 
  
   
   

   


    






































B 0 A
B 0 A
0
B
A
B 0 A
0
A
B 0 A
0
B
B 0 A 4
0
4
A
0
0
B
A
0
A
0
B
0
B
0
43
74.5




    














B 0 A
B 0 A
B 0 A
0
B
A

    














Proportional control with port BSP: G 1/8
127
55.5
57.5
G1/8
G1/8
B 0 A
B 0 A
43
69
M8
43
43





    



























A
0
B
B1
x
A1
x
A
0
B
B1
x
B1
x
A
0
B
G1/4
G1/4
127,5
61,5
40
G1/4
82
53
G1/4
53
89.5


   














128,5
75,5
37,5
131,5


















   
 
 
 





1 4
2 3
1 4
2 3
1 4
2 3
controllo utilizzo A neutro in = 0 controllo utilizzo B



   
















B
P
T
PIN 4
PIN 1
PIN 2
PIN 3
A
100
35.75
63




   





















 
 
 
 
 μ
 




P1
Insert 1 mm orifice
P
T
F1600=F1610
F1500=F1510=F1520=F1530
P1
Insert 1 mm orifice
F2600=F2610
F2500=F2510=F2520=F2530
P
T



 

  
   
   

33
73
79
138.5
120
25.5
48.518.5
140.5
33
73
79
120
141
25.5
48.5
18.5
154.5






  

























P
T
Port BSP (P - T) = G 1/4
Port UNF (P - T) = 9/16”18 UNF
P
T
Port BSP (P - T) = G 1/4
Port UNF (P - T) = 9/16”18 UNF


   



          

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Plug
Spacer
Connection port
Tie-rod
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 
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T
P
B A
B A B A
T
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  



   
 

 
 
 
 
 

  
  
   
 

 
 
 
 
 
   
Inlet (P)
Outlet (T)
A
B
Outlet (HPCO)
Inlet (P)
Conic plug
Outlet (T)
A
B












T
P
A B A B
TP
B A B A


































Inlet (P)
Outlet (T)
A
B
Inlet (P)
Outlet (T)
A
B
Inlet (P)
Outlet (T)
A
B
A
B
Outlet (T)
Inlet (P)
A
B
Inlet (P)
Outlet (T)
A
B
Outlet (T)
Inlet (P)












T
P
A B A B
HPCO
TP
B A B A
HPCO






















Outlet (HPCO)
Inlet (P)
A
B
Conic plug
Outlet (T)
Outlet (HPCO)
Inlet (P)
Conic plug
Outlet (T)
A
B
Outlet (HPCO)
Conic plug
Outlet (T)
A
B
Inlet (P)
Outlet (HPCO)
Inlet (P)
Conic plug
Outlet (T)
A
B




T
P
A B A B
HPCO



  
 

Outlet (HPCO)
Inlet (P)
Conic plug
Outlet (T)
A
B





     
 

  
  
 



 
 





 
 





 
 
   





 
 





 
 

  



  



 
  




 
  



 
 

  
  
  


   
  
  

  
8
2
3
5
4
6
7
1




     
 

  
  
  
  
  
  
  
  
  

  
  

  
  

  
  

  




 
 
  
  




 
 
  
  
 







 

 

 
 
 
 

Allen screw
(spool actuation side)
6 Nm
Allen screw
(spool return action side)
6 Nm
Pressure relief valve body
80 Nm
Load check valve plug
20 Nm
   
   
   
   
   
   
   
   
   







  

  

       

       















     
























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           
          
           
           
    

     

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
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       
      
       
       
  

   
              
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A
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
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



   
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

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

                

                 
             

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



                 
         







                
                    
                   
                   
                   
                
                  
Serial number
Product code
Made in Italy
0008 075 00
4461 2
Serial number
Product code








             
                  
        


               
     
    
               

        











              
                 
                




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
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
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
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
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
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
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
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u.s.A.
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
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m50


1
st
edition M50.06

