Forged steel ball valve

National Standard Three-piece  Flanged Ball Valve

National Standard Three-piece Flanged Ball Valve

Stainless Steel Forged Steel Valve Series

Product Description

● Sphere and valve seat adopt HVOF supersonic spraying/spray welding/surfacing hard alloy hardening method

● Stem, thrust washer and bearing "QPQ" salt bath nitriding

● The end of the valve seat is spring loaded to provide initial preload and ensure reliable sealing under low differential pressure

● A variety of structures and materials are available to meet a variety of working conditions and applications

● Complete pressure and specifications, full-bore design, small flow resistance coefficient of the valve, and reduced-bore design can also be provided according to user requirements

● Adopt advanced testing equipment and testing methods to strictly control from raw material inspection to finished product inspection

● The valve adopts fire-proof and anti-static design to ensure safety and reliability

● Reliable sealing and long service life