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Norriseal Series R285 butterfly valve

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Norriseal Series R285 butterfly valve
Manufacturer: Norriseal

Series 285 butterfly valves provide bi-directional, positive shutoff to ANSI 150 standards (285 psig). They feature an exclusive angle disc with a 360°uninterrupted differential sealing surface.Series 285 butterfly valves offer outstanding flow efficiency, with a rigid-drive, precision disc-to- shaft connection that eliminates load-bearing fasteners in the flowstream. Double-shaft seals and shaft bushings assure smooth, low-torque operation.

The Series R285 is the lowest priced long-life butterfly valve with a pressure/temperature rating that meets ANSI B16.5 for class 150 flanges.

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  • The Norriseal Series R285 butterfly valve is proven by over 30 years of day-in day-out service. The disc does not seat in shaft holes, assuring bubble-tight shutoff with no scrubbing or compression set in the shaft hole area. Resilient seats are made from high-density elastomers which are highly resistant to deterioration by flow media.
  • The Series R285 butterfly valve gives you much greater flow efficiency and lower operating torque than conventional offset disc valves which meet pressure/temperature requirements of ANSI B16.5 code for class 150 flanges.
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