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The new Asahi/America Type-57AT Butterfly Valve is for commercial applications. The Type-57AT meets the pressure and temperature guidelines in ASTM F2389 for up to 12 inches and integrates into the company's Asahitec PP-RCT piping systems for plumbing and HVAC applications. The valve's polypropylene body and disc are injection molded for durability, and the 316 stainless steel stem is non-wetted. For high cycle life and smooth torque, the seat and disc bushings have been fitted with dual O-ring seals. It is available in both wafer and lugged styles.
Asahi/America’s Type-57AT butterfly valve is available in sizes 1-1/2-inch through 8-inch with a green lever, and in 1-1/2-inch through 14-inch with the company's Plasgear operator. The Type-57AT top flange features an ISO 5211 F07 – F14 bolt circle, and all sizes can be electrically or pneumatically actuated.