Pressure Seal Gate Valve

KOSEN Pressure Seal Gate Valves is a valve realizing the closing and opening function by lifting the disc up&down as the closure member. The main advantages of API Stainless Steel Gate valve are smooth flowing passage, small flowing resistance and small operation torque, while the main disadvantages of this valve are: easy-damaged sealing face, long closing&opening time, large volume&weight. Gate valve is widely used on pipeline as it's suitable to be manufactured with big size. Gate valve is and generally for cutting off purpose but not intended to be used as a regulating valve because the sealing face would be corroded by the medium easily when valve is not in fully open or closed position.

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Product Description

KOSEN Pressure Seal Gate Valves is a valve realizing the closing and opening function by lifting the disc up&down as the closure member. The main advantages of API Stainless Steel Gate valve are smooth flowing passage, small flowing resistance and small operation torque, while the main disadvantages of this valve are: easy-damaged sealing face, long closing&opening time, large volume&weight. Gate valve is widely used on pipeline as it's suitable to be manufactured with big size. Gate valve is and generally for cutting off purpose but not intended to be used as a regulating valve because the sealing face would be corroded by the medium easily when valve is not in fully open or closed position.

 

Technical Specification
Normal SizeRange: 2"-24"
Normal Pressure Rating: PN100~PN420, CLASS600~2500  
Material: WCB,LCB,WC6, WC9, CF8,CF8M,CF3,CF3M
TemperatureRange: -29~425Degree C


Standards compliance

Design and Manufacture:AMSI B16.34,API600 API6D,BS1414

Face to face(end to end):ANSI B16.10,API6D

Flanged cnnection:ANSI B16.5

Butt welded end:ANSI B16.25

Test and inspection:API598,API6D

A.Back up ring:Absors thrust applied by internal pressure

B.Thrust ring:Protects the soft metallic gasket from deformation

C.Gasket:Unique angular design provides superior sealing

 

 

 

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