Fluorine-lined check valve

Available in nominal diameters from DN25 to DN400, with pressure ratings from PN10 to PN16. Body materials include WCB, CF8, CF8M, CF3, and CF3M, with PTFE lining for superior corrosion resistance. The swing-type design allows for efficient flow and reliable backflow prevention. Manufactured in accordance with GB/T 12221 face-to-face dimension standards, and complies with HG/T 20592 and ASME B16.5 flange standards with flanged connections. Suitable for a wide range of industrial applications requiring reliable backflow prevention and corrosion-resistant performance.