Check VaLve
1/2"-4" Brass Swing Check Valve, Lead Free, NSF/ANSI 61 Certified, Backflow Preventer for Plumbing Systems
Product descriptions from the supplier Premium Cast Brass Body Made of high-grade lead-free brass (CW617N/H59), corrosion-resistant and durable, ideal for water, oil, and gas applications. Swing Type Check Mechanism Swing disc opens with forward flow and closes automatically to prevent backflow, protecting pipelines and equipment from reverse flow damage. 200 WOG Pressure Rating Rated for 200 PSI working pressure, suitable for residential, commercial, and industrial plumbing
High Sealing Brass Spring Loaded Check Valve BSP Female Thread PN16 Water Supply Non-return Valve
Product descriptions from the supplier Made of EU CW617N brass, excellent rust & corrosion resistance, adapt cold/hot water, low-pressure heating medium from -20℃~120℃. Spring-driven clapper opens by forward water pressure, instantly closes when backflow occurs, automatically protect pump & equipment from reflux damage. Both ends BSP female thread, convenient to connect male thread pipe fittings directly without extra adapter, simplify pipeline construction. Vertical
One Way Brass Spring Loaded Check Valve External Thread Vertical Mount Household Plumbing Non-return Valve
Product descriptions from the supplier Made of EU CW617N brass material, rust-proof and corrosion resistant, fit cold/hot water and low-temperature liquid medium. Built-in spring loaded disc design, medium forward flow pushes disc open automatically; backflow closes valve instantly to avoid water reverse. Vertical installation only, spring assists quick closing, small body size saves pipeline installation space. DIN standard BSP male thread, precise thread tooth, easy to
Brass Y-Type Strainer Check Valve BSP Female Thread for Hot Cold Water Heating Pipeline
Product descriptions from the supplier Body made of EU standard CW617N brass, anti-rust & corrosion resistant, well adapt to hot water, cold water and low-pressure heating steam Y-pattern swing structure, full port inner flow channel, small flow resistance, large flow capacity, not easy to block dirt, ideal for main heating pipeline. Built-in swing clapper design, automatically open with fluid pressure and close when backflow occurs, effectively prevent water reverse flow to
