Metal Hard Sealed Ball Valve

The Surface Of The Metal Hard Sealed Ball Valve Is Treated With Special Surface Hardening, And The Valve Seat Is Made Of Special Hard Materials Or Locally Welded Hard Materials To Ensure A Suitable Hardness Difference Between The Sealing Rings, Making It Suitable For Solid Particles And Abrasive Media. Due To The Use Of Flexible Graphite And Metal Wound Gaskets As Sealing Materials, They Can Be Used In High Temperature And High Pressure Conditions And Have Fire-resistant Properties.