3 MUELLER #91 AP CENTER

Series 91 cast iron or cast aluminum bronze compact wafer silent check valves are designed for liquids and gases where flow reversal can cause surge and water hammer.

Mueller Steam Specialty Check Valve, Type: Compact Wafer Silent, Check Valve, Series/Model: Model 91AT, 3 IN Nominal, 200 PSI At 150 DEG F, Cast Iron Body, 316 Stainless Steel Disc Trim, 316 Stainless Steel Seat, Material Standard: Body: ASTM A126 Class B, Seat And Disc And Flange Bushing: ASTM A351 Grade CF8M, Additional Specifications: Suitable For Use With: 125, 150, 250 Or 300 LB Flanges, 8.000 LB Weight

• Compact, lightweight wafer design saves space
• Disc begins to open at 0.5 PSI (34.5 KPA), and opens 1/3 inch per inch of line size for enhanced flow
• Disc is fully guided at top and bottom to ensure alignment and sealing at any installation angle

• Brochure/Catalog Name https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/MUECK71AHH3H4_Broc.pdf
• Specification Name https://macombstage.cimm2.com//ASSETS/DOCUMENTS/ITEMS/EN/MUECK913_Spec.pdf