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.