fully-welded ball valve
Ball valve(flanged,wafer)
Fully-welded ball valve is divided into butt weld (BW) and socket weld (SW) types 。
1. the valve seat is designed to be of double lip seal structure to enhance sealing and reduce the operation torque; the valve seat can be made of various materials, suitable for more areas;
2. the valve rod is designed to be of explosion proof structure and bottom mounting type to prevent flying out under pressure; PTFE guide is also used to reduce friction on the valve rod and reduce the operation torque;
3. the valve is designed to be of fireproof and anti-static structure; it can also be customized according to the requirements of the clients or the working conditions.
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Design standards |
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Design standsrds:GB/T 12237/ API6D/API608 Structure length:GB/T12221,API6D,ASME B16.10 Connrction flange:JB79,GB/T 9113.1,ASME B16.5,B16.47 Welding end:GB/T 1222,ASME B16.25 Test and inspection:GB/T 13927,API6D,API 598 |
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Performance Specification |
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Nominal pressure:PN16,PN25,PN40,150,300LB Strength test:PT2.4,3.8,6.0,3.0,7.5MPA Seal test:1.8,2.8,4.4,2.2,5.5MPA Gas seal test:0.6MPa The valve main material:A105(C),F034(P),F316(R) Suitable medium:the lonq-distance pipeline for,natural gas, petroleum,heating and thermal power pipe net. Suitable temperature:-29°C~150°C |
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Product Structure |
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