API Forged Steel Gate Valve
Gate valve(flanged, welded) The American standard forged steel gate valve is of pressure self tightening seal structure. It is welding connection at two ends of the branch pipe of the valve. The valve flap and valve seat sealing faces are made of cobalt based hard alloy by plasma spray welding, and have good wearing and scratch resistant performance. The valve rod is subject to anti-corrosion nitrogen treatment and thus has good corrosion and scratch resistant performance.
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The American standard forged steel gate valve is of pressure self tightening seal structure. It is welding connection at two ends of the branch pipe of the valve. The valve flap and valve seat sealing faces are made of cobalt based hard alloy by plasma spray welding, and have good wearing and scratch resistant performance. The valve rod is subject to anti-corrosion nitrogen treatment and thus has good corrosion and scratch resistant performance.
Design standards
Design manufacture as per: API 602、BS 5352、
ASME B16.34
Connection ends dimension as per: ASME B16.5
Inspection and test as per: API 598
Performance Specification
Nominal diameter:1/2"(15mm)-80"(2000mm)
Nominal pressure:150~1500LB
Strength test:15XPN MPa
Seal tese:1.1XPN MPa
Gas seal test:0.6MPa
Valve body material:A105(C),F304(P),F304(PL),F316(R),F316L(RL)
Suitable medium:water,steam,oil,products,nitric
Suitable temperature:-29°C~425°C
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