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Cast- and Ductile-Iron Butterfly Valves Max. pressure: 200 psi EPDM liner temp. range: -30° to 250°F Buna liner temp. range: 10° to 180°F Viton liner temp. range: -20° to 300°FDesigned for commercial mechanical and industrial processes, including hot and cold domestic water, HVAC, condenser and chilled water, and compressed air and vacuum services.Meet MSS-SP67, MSS-SP25, and API-609.Cast-IronHeavy-duty, low-torque valves are dead-end service rated at 150 psi; 200 psi for Buna and EPDM lug style. Item: Butterfly Valve Style: Lug Body Material: Cast Iron Max. Water Pressure: 200 psi Pipe Size: 2" Temp. Range: -30 to 250 Degrees F Liner Material: EPDM Disc Material: Aluminum/Bronze Handle Type: Lever Number of Bolt Holes: 4 Bolt Circle Dia.: 4-3/4" Lug Dia.: 5/8-11 Standards: MSS-SP67, MSS-SP25 And API-609