The Nibco® wafer type butterfly valve is classified as a fire protection control valve that is Listed by UL and FM Approved for bubble-tight shut-off at 250 PSI water working pressure. Wafer valves are recommended for quick installation and removal from piping.

Wafer Style Butterfly Valve With Supervisory Switch, Series/Model: Model WD3510-8, Nominal Size: 6 IN, Pressure Rating: 250 PSI Non-Shock (WWP), Ductile Iron Body Material, Gear Operator Operator Type, Handle Material: Cast Iron, Stem Material: 416 Stainless Steel, Trim Material: Ductile Iron Disc, Seal Material: EPDM, Material Standard: Body: ASTM A536, Stem: ASTM A582, Disc: ASTM 395, Finish/Color: Nickel Plated Disc, Industry Standards: MSS-SP-67/25 Compliant, C/US UL Listed, FM And New York City MEA 90-07-E With Appropriate NYC Indicator Approved, California State Fire Marshal Listing Number 7770-1243:104, US Coast Guard Category A, 10-1/4 IN Width, Lead Free: No, Other Physical Dimension: 5-1/4 IN Flange, 5.9 IN Handwheel Diameter

• Valve pressure rating 250 PSI WWP
• Wafer style
• EPDM molded-in seat liner
• Ductile iron disc
• Stainless steel stem with copper bushings
• Geometric drive
• Extended neck
• Operating mechanism: manual gear operator

• Warranty Information https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_125NIBBRMS_Warranty_Information.pdf
• Catalog https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_NH2920H_Catalog.pdf
• Instruction/Installation Manual https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_NLFF30E_Instruction_Installation_Manual.pdf
• Specification Sheet https://www.macombgroup.com//ASSETS/DOCUMENTS/ITEMS/EN/Nibco_NLH801E_Specification_Sheet.pdf