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CHECK
V/V(D)(Flange-Connections)
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CHECK VALVE (D)-(FLANGE
CONNECTIONS) |
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SPECIAL FEATURE |
Prevention Valve for flowing backward of
fluid. |
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SPEC |
2" 40/50A |
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TEST
SPECIFICATIONS |
Test for inner
pressure |
Hydraulic pressure - 50Kg/㎝² |
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Test for aerial density |
Hydraulic pressure - 30Kg/㎝²(120/sec.) |
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Test for operation |
Under 20000 times operation in 1 minute for 3 times |
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He. TEST |
Under 1.0 x 10-ª ATM cc/sec |
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