Parker Hannifin Corporation
Hydraulics Group
Catalogue HY11-3500/UK
9
9-63
Direct Operated Check Valve
Series C5V
C5V UK.INDD CM 07.09.11
Characteristics / Ordering Code
Direct operated check valves series C5V provide free flow
in one direction and block the flow in the counter direction.
The SAE flanges allow to mount the C5V directly on the
pressure port of pumps for protection against pressure
shocks from the system.
Features
• Direct operated check valve
• SAE61 and SAE62 flange
• 4 sizes (SAE ¾", 1", 1¼", 1½")
• 3 springs
• 5 options for body sealing
Ordering Code
Code Port size
06 SAE ¾"
08 SAE 1"
10 SAE 1¼"
12
1)
SAE 1½"
BC5V
Flange Cracking
pressure
Direct operated
check valve
Design
series
SealsNominal
size
Body
sealing
Code Options
omit Standard
019
2)
M14 mounting
screws
Code Flange
3 SAE 61
6 SAE 62
Code
Body sealing
1 sealing for port A
2
1)
sealing for port A and X
3 without sealing
4 sealing for port B
5 sealing for port A and B
1)
For combination with R5U unloading
valve (SAE61 only)
Options
Code Seals
1 NBR
5 FPM
Code Cracking pressure
0 0.5 bar
1 1.0 bar
2 2.0 bar
2)
Only for C5V10-6 (SAE62)
Parker Hannifin Corporation
Hydraulics Group
Catalogue HY11-3500/UK
9
9-64
C5V UK.INDD CM 07.09.11
Direct Operated Check Valve
Series C5V
General
Size 06 (¾") 08 (1") 10 (1¼") 12 (1½")
Mounting 2-port inline flange (SAE61 and 62)
Mounting position unrestricted
Ambient temperature [°C] -20...+50
MTTF
D
value [years] 150
Weight [kg] 0.6 0.9 1.3 1.8
Hydraulic
Max. operating pressure SAE61 [bar] 350 350 280 210
SAE62 [bar] 420 420 420 420
Nominal flow [l/min] 100 200 400 750
Fluid Hydraulic oil according to DIN 51524...51525
Fluid temperature [°C] -20...+80
Viscosity permitted [cSt] / [mm
2
/s] 10...650
recommended [cSt] / [mm
2
/s] 30
Filtration ISO 4406 (1999); 18/16/13 (meet NAS 1638: 7)
Technical Data
Parker Hannifin Corporation
Hydraulics Group
Catalogue HY11-3500/UK
9
9-65
Direct Operated Check Valve
Series C5V
C5V UK.INDD CM 07.09.11
Characteristic Curves
C5V06
C5V12
C5V10
C5V08
All characteristic curves measured with HLP46 at 50°C.
Parker Hannifin Corporation
Hydraulics Group
Catalogue HY11-3500/UK
9
9-66
C5V UK.INDD CM 07.09.11
Direct Operated Check Valve
Series C5V
D1
X
1)
(D2)
L1
H1
L3
H3
D3
D4
B1
X-port at C5V12-32
X
1)
(D2)
B
X
1)
A
L2
D3
H2
D3
D4
B A
C5V*-34
Dimensions
Series Nominal Size L1 L2 L3 H1 H2 H3 B1 D1 D2 D3 + 0.8 D4
C5V06 3/4“
SAE61 48 22.2 27.2 64 47.6 22.4 45 10.5 Ø3 19 19
SAE62 48 23.8 27.2 64 50.8 22.4 45 10.5 – 19 19
C5V08 1“
SAE61 60 26.2 27.2 74 52.4 22.4 45 10.5 Ø3 25 25
SAE62 60 27.8 27.2 74 57.2 22.4 45 12.5 – 25 25
C5V10 1 1/4“
SAE61 68 30.2 27.2 85 58.7 22.4 50 12.5 Ø3 32 32
SAE62 68 31.8 27.2 85 66.7 22.4 50 13.5
2)
– 32 32
C5V12 1 1/2“
SAE61 80 35.7 27.2 104 69.8 22.4 50 13.5 Ø3 42 38
SAE62 80 36.5 27.2 104 79.4 22.4 50 17 – 42 38
2)
D1 = 15 at option code 019 for M14 mounting screws
Position of O-ring seal according to ordering code.
1)
X1 port for C5V*32* (for use with unloading valve R5U)
Seal kits
NG NBR FPM
06 S26-75409-0 S26-75409-5
08 S26-75410-0 S26-75410-5
10 S26-75411-0 S26-75411-5
12 S26-75412-0 S26-75412-5
