PO - 8
Pilot Operated Check Valves Technical Information
BC332375625108en-000101 • February 2020
ORDERING
INFORMATION
SPECIFICATIONS
DIMENSIONS
OPERATION
154 SUS (33 cSt) hyd. oil @ 100° F (38° C)
2
0
29
psi bar
Pressure drop
8L/min
Flow
2.1US gal/min
4
6
8
10
12
14
58
87
116
145
174
203
16 24 32 40
4.26.3 8.5 10.
6
free flow
pilot open
47.5
[1.87]
7.9
[0.31]
7/8-14 UNF-2A
1
3
2
h 1.00 in
41-47 N
.
m
[30-35 lbf
.
ft]
t
CP450-1-B-8S-015-0
Seals
Seal kit
B=Buna-N120570
V=Viton 120571
Piston seals
0=No seals
S=Seals included
Body and ports
Body P/N
0=Cartridge No body
6S =Aluminum, #6 SAE CP10-3-6S
8S =Aluminum, #8 SAE CP10-3-8S
SE3B =Aluminum, 3/8 BSP SDC10-3-SE-3B
SE4B =Aluminum, 1/2 BSP SDC10-3-SE-4B
Cracking
Pressure
bar[psi]
065=4.48 [65]
115=7.90 [115]
200=13.8 [200]
315=21.8 [315]
This valve is a pilot-to-open check valve.
Rated pressure 240 bar [3480 psi]
Rated ow at 7 bar
[100 psi]
30 l/min
[8 US gal/min]
Leakage 6 drops/min @
Rated pressure
Weight 0.09 kg [0.20 lb]
Pilot ratio 3.0:1
Cavity SDC10-3
Note: A piston seal requires a 4.5 bar [65 psi] or
greater return spring.
Theoretical performance
Schematic
Cross-sectional view
Specications
CP450-1
mm [in]
Pilot to Open
