Welded End Flat Gate Valve
Key Specifications / Features
Welded End Flat Gate Valve Factory in China: Welded End Flat Gate Valve, 2-48 Inch, Class 150-2500 LB, API 6D, WCB, LCB, WCC, WC6, WC9, CF8, CF8M, CF3, CF3M.
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Detail Information
API 6D ANSI welded end flat gate valve gas gate valve expanding gate valve.
Standard:
Size: NPS 2 Inch - 48 Inch.
Pressure: CL150-CL2500 LB.
Design manufacture standard: API 6D.
Length of structure: API 6D.
Flange connecting end: ASME B16.5, ASME B16.47.
Butt welding connecting end: ASME B16.25.
Wall thickness: ASME B16.34.
Inspection and test: API 6D.
Pressure and temperature rating: ASME B16.34.
Main body material: ASTM A216 WCB, ASTM A352 LCB, ASTM A216 WCC, ASTM A217 WC6, ASTM A217 WC9, ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3, ASTM A351 CF3M, ASTM A890 4A, etc.
Drive device: handle, bevel gear, electric, pneumatic, etc.
Connection: weld, flange.
Disc: single disc with diversion hole, or parallel double-disc with throgh conduit.
Main Features:
1) The seat ring uses the floating seat ring structure with O-seal ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed, and the open-close moment with this structure is 1/2 that of the common valves only, able to lightly open and close valve.
2) When fully opened, the valve's channel is smooth and linear,with an extremely small flow resisting coefficient and no pressure loss, and the pipeline can be cleaned with hair-ball through it.
3) Automatic removal of the high pressure in the internal cavity when the valve is about to close so as to ensure safety.
4) Fully sealed structure leaves a good protective property, suitable for the requirement of 24-hour duty.
Standard:
Size: NPS 2 Inch - 48 Inch.
Pressure: CL150-CL2500 LB.
Design manufacture standard: API 6D.
Length of structure: API 6D.
Flange connecting end: ASME B16.5, ASME B16.47.
Butt welding connecting end: ASME B16.25.
Wall thickness: ASME B16.34.
Inspection and test: API 6D.
Pressure and temperature rating: ASME B16.34.
Main body material: ASTM A216 WCB, ASTM A352 LCB, ASTM A216 WCC, ASTM A217 WC6, ASTM A217 WC9, ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3, ASTM A351 CF3M, ASTM A890 4A, etc.
Drive device: handle, bevel gear, electric, pneumatic, etc.
Connection: weld, flange.
Disc: single disc with diversion hole, or parallel double-disc with throgh conduit.
Main Features:
1) The seat ring uses the floating seat ring structure with O-seal ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed, and the open-close moment with this structure is 1/2 that of the common valves only, able to lightly open and close valve.
2) When fully opened, the valve's channel is smooth and linear,with an extremely small flow resisting coefficient and no pressure loss, and the pipeline can be cleaned with hair-ball through it.
3) Automatic removal of the high pressure in the internal cavity when the valve is about to close so as to ensure safety.
4) Fully sealed structure leaves a good protective property, suitable for the requirement of 24-hour duty.
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Source: https://www.uvalve.cn/welded-end-flat-gate-valve.html