Your browser is out of date.

You are currently using Internet Explorer 7/8/9, which is not supported by our site. For the best experience, please use one of the latest browsers.

Operator Options

Norriseal’s product line of butterfly valves offer a wide range of operator options suitable for many applications. Our Norris valves are factory tested to deliver the required torque to maximize valve operation, and the design demands less torque values which can result in likely cost savings. The operator options we offer depend on the size and application. Contact a product expert to help you select the most suitable option.

Options we offer:

  • Bare stem top works, or hold plates for mounting
  • On-off and throttling manual handles
  • Worm gear operators
  • Spring return diaphragm actuators
  • Rack and pinion piston actuators
  • Electric actuators
Contact an expert

Why work with us






Manufacturing Locations


Scientists and Technologists