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Subject: |
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| Forged steel Y-pattern globe valve,gate valve,check valve |
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Detai Y-Pattern valves are available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite.Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.
The Y-Pattern valves are available in globe and check design configurations.
Y-Pattern Design Construction and Specifications
Detai Y-Pattern globe and check valves conform to ANSI B 16.34. Each are tested according to API 598, and marking is per MSS SP-25.
Construction is as follows:
¡ñ Full Port
¡ñ Piston and ball check
¡ñ Spring available on request
¡ñ Loose solid disc
¡ñ Two piece self-aligning packing gland
¡ñ Integral back seat
¡ñ Outside Screw and Yoke (OS & Y)
¡ñ Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet
¡ñ Socket weld Ends to ASME B 16.11
¡ñ Screwed Ends (NPI )to ANSI/ASME B1.20.1
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| 2014/4/21 |
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