Forged Steel Globe Valves

BTL 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.

Construction is as follows
●Full port or conventional port
●Outside screw and yoke (OS&Y)
●Two piece self-aligning packing gland
●Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet
●Integral backseat
●Socket weld ends to ASME B16.11
●Screwed ends(NPT) to ANSI/ASME B1.20.1
●Disc can change for throttle type、needle type、ball type and check type.