PO - Pilot Operated Check Valves
PO - 15
Pilot Operated Check Valves Catalog
11141715 • Rev AC • March 2015
ORDERING
INFORMATION
SPECIFICATIONS
DIMENSIONS
OPERATION
154 SUS (33 cSt) hyd. oil @ 100° F (38° C)
2
0
29
psi bar
Pressure drop
80L/min
Flow
21.1US gal/min
4
6
8
10
12
14
58
87
11
6
14
5
17
4
20
3
160 240 320 400
42.3 63.4 84.5
105.7
free flow
pilot open
79.5
[3.13]
16.8
[0.66]
1-5/8-12 UN-2A
1
3
2
h
t
1.875 in
217-231 N
.
m
[160-170 lbf
.
ft]
CP453-2-B-20S-065-0
Seals
Seal kit
B=Buna-N 120380
V=Viton 120381
Piston seals
0=No seals
S=Seals included
Crack
Pressure
ba
r[
psi]
065=4.48 [65]
Housing and po
rtsHousing P/N
0=No Housing No Housing
8B =Al, 1 BSP CP20-3S-8B/2B
10 1-1/4 10B=Al, BSP CP20-3S- B/2B
16S =Al, #16 SAE CP20-3S-16S/4S
20S =Al, #20 SAE CP20-3S-20S/4S
Other housings available
This valve is a pilot-to-open check valve.
Rated pressure 210 bar [3000 psi]
Rated ow at 7 bar
[100 psi]
230 l/min
[61 US gal/min]
Leakage 6 drops/min @
Rated pressure
Weight 0.66 kg [1.46 lb]
Pilot ratio 3:1
Cavity CP20-3S
Note: A piston seal requires a 4.5 bar [65 psi] or
greater return spring.
Theoretical performance
Schematic
Cross-sectional view
Specications
CP453-2
mm [in]
Reverse Pilot to Open
CP453-2
