The pressure seal F91 gate valves are used for high pressure high temperature applications like main steam turbine in power plants.
The main steam turbine F91 gate valves technical features:
1. Pressure seal bonnet for high pressure like 1500lbs, 2500lbs, 4500lbs
2. 12CrMoV, F91, F92 materials are suitable for high temperature
3. Sealing face of valve seat and valve disc are overlaid with satellite hard alloy to be wear resistant for longer service life
4. Body in forged steel for large size above 2’’