In-Line Check Valve, Series/Model: Model S-611, Nominal Size: 1-1/4 IN, Connection Type: Socket End, Pressure Rating: 150 PSI (WOG) At 73 DEG F, SCH 40 Pressure Class, Temperature Rating: 140 DEG F, PVC Body Material, Seat Material: PVC, Seal Material: EPDM, Material Standard: Body And Seat: ASTM D1784, Industry Standards: ISO 9002, 3.63 IN Width, 6-1/4 IN Height, Lead Free: Yes, Additional Specifications: Flow Co-Efficient (Cv): 27.52

• Threaded or solvent end versions
• Designed for schedule 40 PVC pipe, but will accept schedule 80
• Poppet design allows linear flow with minimal pressure drop
• Soft-seated, fully-guided poppet offers silent operation
• May be installed vertically or horizontally
• Cracking pressure: 1/2 LB positive pressure
• Not suitable for compressed air service
• Manufactured using 100% virgin resin

• Brochure/Catalog https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/050PVSBVL_Broc.pdf
• Submittal Sheet https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/Legend_203-206_Submittal_Sheet.pdf