Forged steel ctyogenic valves Nainai cryogenic valves are available in two 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.
Forged steel bellow sealed valves Bellow Sealed valves are available in two 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.
Forged steel Y-type strainers Main materials: A105;LF2;F5;F11;F22;304(L);316(L);F347; F321;F51;Monel;20 Alloy. Structure features: Bolted bonnet or welding bonnet Test and inspection conform to: API 598£»GB/T13927;JB/T9092 Design and manufacture conform to BS5352 MSS SP-118 Materials conform to ANSI/ASTM.
Forged steel check valves Nainai 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.
Forged steel globe valves Nainai 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.
Forged steel gate valves Nainai 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,
Forged steel ball valves Forged steel ball valves have two structures. one is of 2PCS structure, threaded bonnet, RPTFE or PEEK seal. The other is of 3PCS structure. bolted tailpieces. Different materials for seats, gaskets and packing may be chosen acc. to different using conditions.
