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Butterfly Valve (3071)

Tue, 05/02/2006 - 8:29am

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The Type 57 Butterfly Valve incorporates four major design upgrades in thermoplastic valve technology. New design features include a flange stopper, which prevents the valve liner from over compression. A second feature is a molded body absorption channel. These two design innovations work together to eliminate seat compression from effective stem torque, resulting in higher cycle life. A spherical disc provides increased flow characteristics and is less intrusive to piping systems. Also, the Type 57 is produced with the first all-plastic gear operator: Plasgear.

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