The Nibco® bronze Ring Check® valve is uniquely designed with an in-line, spring assisted self-closing disc. The lift check valve prevents backflow by automatically closing when fluid reverses direction. With a PTFE disc, the check valve is recommended for steam service.

Ring Check® Spring Actuated In-Line Lift Check Valve, Series/Model: Model S-480-Y-LF, Nominal Size: 1-1/2 IN, Connection Type: Compression (Solder), Pressure Rating: 100 PSI Maximum, 250 PSI (CWP) Non-Shock, Class 125 Pressure Class, Temperature Rating: 300 DEG F, Silicon Bronze Body Material, Stem Material: Stainless Steel, Trim Material: PTFE Disc, Material Standard: Body: ASTM B584, Stem: ASTM A582, Material Specification: Body: UNS C87850, Stem: UNS C30300, Industry Standards: MSS-SP-139 Compliant, NSF/ANSI-61-8 Commercial Hot 180 DEG F (Includes Annex F And G) And NSF/ANSI-372, 2-3/4 IN Width, Lead Free: Yes

• Valve pressure rating 200 PSI/14 BAR non-shock cold working pressure
• 125 PSI/8.6 BAR saturated steam to 353 DEG F/178 DEG C
• In-line lift-type
• Spring actuated (1/2 PSI cracking pressure)
• PTFE resilient seat disc
• Class 125 solder end connections
• Use in U.S. drinking water applications is prohibited after January 3, 2014

• 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_NJ7P008_Instruction_Installation_Manual.pdf
• Specification Sheet https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_NJ7P008_Specification_Sheet.pdf