Manual PTFE Lined Swing Check Valve

Product Overview The Manual PTFE Lined Swing Check Valve from Zhewu is a reliable Check Valve with swing‑type structure. This heavy‑duty Industrial Check Valve can also be produced as a Stainless Steel Check Valve or Non Return Valve according to project requirements. The fluorine‑lined swing check valve opens and closes automatically by medium pressure to prevent backflow of fluid media. Its fluorine‑lined material provides excellent strong‑corrosion resistance. It is widely used in pipeline systems for highly‑corrosive media, such as fluid‑transport circuits in chemical, pharmaceutical and electronic industries. Custom‑made lining materials including PTFE, PFA and anti‑negative‑pressure structure are available upon customer requests. Material Specification Table Upper Body WCB / CF8, etc. Lining F46 Valve Seat F46 Disc F46 / WCB+F46 Lower Body WCB / CF8, etc. Bolt A3 Nut A3 Available Nominal Diameter Sizes DN25 DN32 DN40 DN50 DN65 DN80 DN100 DN125 DN150 DN200…