liangjing valves are available in three bonnet designs:
．Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite. Ring joint gasket is also available on request.
．Welded Bonnet, with a threaded and seal welded joint. On request a full penetration welded joint is available.
．Pressure Seal Bonnet, with a threaded and pressure seal bonnet joint.
Construction is as follows:
．Full Port or Standard Port
．Face to Face according to ANSI B16.10
．Flanges according to ANSI B16.5
．Pressure seal bonnet
．Outside Screw and Yoke (OS&Y)
．Two piece self aligning packing gland
．Butt welded ends to ASME B16.25
．RTJ body bonnet gasket ring type joint
．Bolted Bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet.