Haiying is a supplier of forged steel globe valves.Haiying has a full line of forged steel valves including bolted bonnet, welded bonnet and pressure sealed bonnet designs. Globe (SDNR)/ Angle (SDNR) valves JIS 20K/ 30K/ 40K Forged Steel 20K globe valves F7421 Forged Steel 20K angle valves F7422 This Japanese Industrial Standard specifies marine forged steel 20K globe valves used for fuel oil, lubricating oil, fresh water, feed water, etc. lines in ships. Related Standard: Shipbuilding valves and cocks-General inspection requirement JISF7400 ISO5208-industrial valves-Pressure testing for valves.
