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“How To” Guide for Norriseal Series 200 and Series 285 Butterfly Valves

A comprehensive manual that describes how to:

  • Select and specify 200 psi and 285 psi butterfly valves
  • Select trim
  • Install Norriseal butterfly valves
  • Service Norriseal butterfly valves
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“How To” Guide for Norriseal Series 200 and Series 285 Butterfly Valves

Features

  • Angle disc with 360° uninterrupted differential sealing surface
  • Double-shaft seals and shaft bushings assure smooth, low-torque operation
  • Non-wetted body available in lug or wafer designs
  • Offered with a variety of pneumatic, electric and hydraulic actuation

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