Flange swing check valve ANSI Class 150 CF8/CF8M/WCB specification American standard flange swing check valve ANSI Class 150, also known as one-way valve, is used to prevent medium backflow in pipelines. A valve that opens or closes by the flow and force of the medium to prevent backflow is called a flange swing check valve.
Flange rotary check valve
Stainless steel 150 grade flange swing check valve 
Design standards: BS1868, ASME B16.34 Structural length: ASME B16.10 Flange standard: ASME 16.5 Inspection and testing: API 598
Valve body material: stainless steel CF8, CF8M, cast steel WCB standards: ANSI, JIS, DIN EN, etc. Caliber: 1 "-32", large size requires customization, maximum pressure: 150PSI, flange standards: Class 150, Class 300, Class 600, etc.
Swing check valves belong to the category of automatic valves and are mainly used in pipelines with one-way flow of media. They only allow one-way flow of media to prevent accidents.
Chinese manufacturer of Class 150 swing check valves. Swing check valves are suitable for various pipelines with nominal pressures ranging from PN1.0MPa to 42.0MPa and Class 150-2500; Nominal diameter DN15~1200mm, NPS1/2~48; Working temperature -196~540 ℃. Moderate reflux. By selecting different materials (WCB, CF8 (M), CF3 (M), 1Gr5Mo, 15CrMo1V), it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media, urea, etc. Mainly used for pipelines in petroleum, chemical, pharmaceutical, fertilizer, electricity and other industries.