SPECIAL FEATURE

Prevention Valve for flowing backward of fluid.

SPEC

2" 40/50A

TEST
SPECIFICATIONS

Test for inner pressure

Hydraulic pressure - 50Kg/㎝²

Test for aerial density

N2 GAS 30Kg/㎝²(120/sec.)

Test for operation

2000 times operation in 1 minute for 3 times under

He. TEST

1.0 x 10-ª ATM cc/sec under