Overview
Norriseal WellMark 200 1033120 is a compact 2″ wafer-style butterfly valve delivering bi-directional shutoff at 200 psi working pressure. Made with durable aluminum body and stainless steel disc and stem material, this metal-seated valve is engineered for harsh industrial environments where tight sealing and temperature extremes demand precision engineering.
Key Features
- Unique angle disc design creating 360° uninterrupted differential sealing surface
- Double-shaft seals and body bushings for smooth, low-torque operation
- Metal-seated design with Vinton seals for reliable sealing
- Wafer configuration for compact installation between flanges
- Metal-seated construction for broader temperature rating capabilities
- Manual lever operation for on-off service
Technical Specifications
- Valve Type: Wafer Butterfly Valve (Metal-Seated)
- Port Size: 2″
- Working Pressure (WOG): 200 PSI
- Series: Norriseal Series M200 (Metal-Lined)
- Body Material: Aluminum
- Disc Material: Stainless Steel (CF8M)
- Stem Material: Stainless Steel
- Seal Material: Vinton
- End Connection: Wafer (Flange-Mount)
- ASTM Material Spec: A351 CF8M
- Actuation: Manual (Lever Handle)
- Flow Direction: Bi-directional
Typical Applications
Norriseal-Wellmark Butterfly Valves are trusted across various industries, including oil and gas, marine, and food and beverage processing. The valves are designed to handle a variety of media, including corrosive and abrasive fluids, and are built to withstand extreme temperatures and pressures. Common installations include:
- Offshore and onshore oil and gas production systems
- Hydrocarbon and chemical processing pipelines
- Pump discharge and return line isolation
- Cooling water and utility fluid control
- Marine ballast and seawater service
- Industrial water and wastewater treatment
Compatibility & Replacements
Compatible With
- ANSI B16.1 Class 150 flange applications
- Standard 2″ wafer valve cavity dimensions
- Pneumatic, electric, and hydraulic actuators (Series 200 accepts third-party actuation)
- Liquid and gas service media
- Industrial automation and process control systems
Replaces / Drop-In Replacement For
- Other Norriseal Series M200 2″ wafer butterfly valves with equivalent pressure ratings
- Legacy Norriseal WellMark models in same size/pressure class
- Generic ANSI 150 2″ metal-seated wafer butterfly valves requiring CF8M stainless construction
Works With
- Manual lever actuation (supplied)
- ISO 5211 compliant electric and pneumatic actuator mounting pads (optional)
- Worm gear operators (available separately)
- Standard flange bolt configurations and gasket materials
