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Bray Series 30 - 10 Butterfly ValveFEATURES & SPECS:The series 30/31 butterfly valve's high strength through-stem design allows easy dis-assembly and reduced disc to stem failureAll Resilient Seated Series 30 and Series 31 Valves2-12 50mm-300mm) 175 psi (12.0 Bar)Wafer, LugTemperature Range: -20F to 400F (-29C to 204C)Pressure Ratings: Bidirectional Bubble-tight Shut-Off:to 175 psi (12 Bar)Body (CWP): 250 psi (17.2 Bar)Body Materials: Cast Iron, Ductile Iron, Carbon Steel, AluminumDisc Materials: Nylon 11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy,Halar Coated Ductile IronStem Materials: Stainless Steel, Monel K500Seat Materials: BUNA-N, EPDM, FKM*, PolyurethaneApplications: Potable Water, Wastewater, Seawater, HVAC