YFL bellows seal forged steel
gate valves are suitable for steam, thermal oil, cold and hot water system.
There are pressure seal bonnet and welded bonnet for high pressure and bolted
bonnet for normal pressure. And the connection ends can be BW ends, SW ends,
NPT threaded ends. Reduced bore and full bore are available.
YFL bellows seal forged steel gate valves are also suitable for
flammable, explosive, poisonous working medium which are dangerous to the environment
and workers.
With bellows stem seal and packing seal, YFL bellows seal forged steel gate valves with double seal design make zero leakage from gland and stem to protect the environment and working person.