BUTTERFLY VALVE

SPECIAL FEATURE

Valve for control of fluid flowing backward

SPECS

15A, 20A, 25A, 32A, 40A, 50A, 65A, 80A, 100A

TEST SPEC

Test for inner pressure

Hydraulic - 40㎏/㎠

Test for aerial density

N2 GAS 20㎏/㎠(120/sec.) - (HEAD)

Test for operation

Under 5000 times operation in 1 minute for 10 times

He. TEST

Under 1.0 x 10-9 ATM cc/sec-(HEAD)