Forged Steel Check Valves

About this product

VITAS Forged steel Check Valves available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in SS/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint. The check valve are also available in three different design configurations. These are piston check, ball check, or swing check designs. Check Valves Design Construction and Specifications VITAS forged steel Check Valves conform to MSS SP-118 and BS5352 ANSI/ASME B16.34 Each are tested according to API 598 and marking is per MSS SP-25. Construction is as follows: • Full Port or Conventional Port • Piston check • Ball check • Swing check • Spring available on request • Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet • Socket weld Ends to ANSI/ASME B16.11 • Screwed Ends (NPT) to ANSI/ASME BI.20.1 150Lb~1500Lb (Piston Check Valve) Standard Material Specifications Note: Other materials are available upon request. Dimensions (mm) and Weights (Kg) 150~1500Lb (Swing Check Valve) Standard Material Specifications Note: Other materials are available upon request. 900~2500Lb (Pressure-Seal Swing Check Valve) Standard Material Specifications Note: Other materials are available upon request. Dimensions (mm) and Weights (Kg) 900~2500Lb (Pressure-Seal Piston Check Valve) Standard Material Specifications Note: Other materials are available upon request. Dimensions (mm) and Weights (Kg)