Norriseal has been a leading supplier of valve and control solutions for more than four decades.
Norriseal™ butterfly valves
Unique, angle-disc butterfly valves available in both resilient-seated (Series R200) and metal-lined (Series M200) designs.
Series 200
Featuring bi-directional, positive shutoff to 200 psig working pressure, the angle disc provides a 360° uninterrupted differential sealing surface.
- Double-shaft seals and body bushings assure smooth, low-torque operation
- Independent flange seals
- Rigid-backed rubber seat easily field-replaced
- Non-wetted body available in lug or wafer designs
- Rigid drive, precision disc-to-shaft connection
- Available with a full range of pneumatic, electric and hydraulic actuation
- Resilient-seated design (R200) offered in a wide variety of elastomeric seals and metallic materials
- Metal-lined design (M200) provides positive shut-off with minimum sealing material
- Series M200 available in Hastelloy®, titanium and many other unique alloys
Series 285
Exclusive, angle-disc butterfly valves provide bi-directional, positive shutoff to ANSI 150 standards (285 psig). Uses a rigid-drive, precision disc-to-shaft connection without load-bearing fasteners in the flowstream.
Available in both resilient-seated and metal-lined configurations.
- 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
- Series M285 valves are available in several grades of bronze, SST and high alloys such as Monel®, Inconel® and titanium.