As one of the leading socket weld forged steel globe valves manufacturers and suppliers in China and equipped with a productive factory,Website: , Shanghai Hugo Valve Co.,Ltd is always at your service.Socket weld forged steel globe valves 1. Socket weld forged steel globe valves are widely used for steam application, flow control, natural gas with high temperature and high pressure because of the forged material characteristics.2. There are three types bonnet design for socket weld forged steel globe valves, one type is bolted bonnet (BB) in which valve body and bonnet are connected by bolt,with male-female joint,sealed by spiral wound gasket which is made in 304L/graphite, ring joint gasket are also available on request.3. Another one is welded bonnet, in which globe valve's body and bonnet are all-welded sealed, with a threaded and seal welded joint, on request a full penetration strength welded joint is available.4. The third one is pressure self-tightening bonnet, in which globe valve's body and bonnet are screw connected, there is a threaded and pressure seal bonnet joint, featured by the higher of inner pressure.Pls check the picture as bellow for this three types bonnet. Bolted Bonnet  Welded Bonnet Self-tightening BonnetConstructionReduced port, outside screw and yoke (OS&Y)Two piece self-aligning packing gland.Integral backseatIntergral seat and renewable seatSocket weld ends confirm to ASME B16.11Application standard 1, Design & manufacturer confirm to : API 602; ASME B16.342, SW end dimension according to ANSI B16.113, Inspection and test confirm to API 5984, Body material : A105;LF2;F5;F11;304(L);316(L);F347;F321;F51;Monel;20alloy steel5, Pressure : 800 class, 1500 class, 2500 classDimension for 800 class (Bolted bonnet type ) SizeF.P1/4''3/8''1/2''3/4''1''1 1/4''1 1/2''2''Face to faceL797992111120152172200Hand wheelw100100100125160160180200HeightH164164164203224260300355Flow portd791317.523303546Weight(kg)1.92.282.374.35.757.812.517.5