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.
Product Description
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.
The valve body and bonnet are made of high quality forgings.
The forgings are precision machined for high performance.
Leak-proof body-bonnet joint with wound gasket
Milled stem
Self-aligning two-piece gland
Backseat feature facilitates in-line repacking of the stuffing box when the valve is in the fully open position.