MODEL
COFB
Pilot-to-close check valve
SERIES 2 / CAPACITY: 160 L/min. / CAVITY: T-2A
This valve is a spring biased closed, pilot-to-close check cartridge that has a 1.8:1 pilot ratio. The valve allows flow
from port 1 to port 2 and blocks reverse flow. Pressure at the pilot port opposes pressure at port 1 at a ratio of
1.8:1. This valve is most often used in regeneration circuits.
TECHNICAL DATA
Cavity T-2A
Series 2
Capacity 160 L/min.
Pilot Ratio 1.8:1
Maximum Operating Pressure 350 bar
Maximum Valve Leakage at 110 SUS (24 cSt) 0,07 cc/min.
Valve Hex Size 28,6 mm
Valve Installation Torque 61 - 68 Nm
Seal kit - Cartridge Buna: 990202007
Seal kit - Cartridge Polyurethane: 990002002
Seal kit - Cartridge Viton: 990202006
Model Weight 0.23 kg.
(X)CONTROL
X Standard Pilot
(C)CRACKING PRESSURE
C 30 psi (2 bar)
A 4 psi (0,3 bar)
B 15 psi (1 bar)
D 50 psi (3,5 bar)
E 75 psi (5 bar)
F 100 psi (7 bar)
(N)SEAL MATERIAL
N Buna-N
V Viton
snhy.com/COFB
TECHNICAL FEATURES
Model Code Example: COFBXCNCONFIGURATION OPTIONS