GR Series Resilient Seated Butterfly Valve

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The Keystone Series GR is a heavy duty industrial resilient seated butterfly valve aimed at general purpose applications. Wafer and Lugged body designed according to EN 593 and API 609. The seat is field replaceable and fully isolates the body and shaft for the flow. Rounded polished disc edge gives full concentric sealing, lower torques, long seat light and drop tight shut-off. Available size range is 2” – 36”. Body material in Ductile Iron and a wide range of disc, shaft and seat materials are available.

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610.647.3810