The Nibco® lead-free wafer style silent check valve is spring actuated with renewable bronze seat and disc. The spring return reduces noise for quiet operation. Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for commercial and industrial water applications.

Spring Actuated Wafer Style Silent Check Valve, Series/Model: Model W-910-B, Nominal Size: 4 IN, Pressure Rating: 200 PSI (CWP) Non-Shock, Class 125 Pressure Class, Temperature Rating: 200 DEG F, Cast Iron Body Material, Trim Material: Bronze Disc, Seat Material: Bronze, Material Standard: Body: ASTM 126 Class B, Seat And Disc: ASTM B584, Material Specification: Seat And Disc: UNS C83600, Industry Standards: MSS-SP-125 Compliant, FM Approved, Lead Free: No, Other Physical Dimension: 7 IN Diameter, 4 IN Bore Diameter

• Valve pressure rating 200 PSI/14 BAR non-shock cold working pressure
• Maximum temperature 200 DEG F (93 DEG C)
• Renewable bronze seat and disc
• Spring actuated (1/2 PSI cracking pressure)
• Class 125 wafer end connections
• Lead-free

• Warranty Information https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_125NIBBRMS_Warranty_Information.pdf
• Catalog https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_NHA300D_Catalog.pdf
• Instruction/Installation Manual https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_NHDX00E_Instruction_Installation_Manual.pdf
• Specification Sheet https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_NLN100H_Specification_Sheet.pdf