“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
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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