Operator Options Series 2G Diaphragm Actuators

Designed for snap or throttling service (when used with a positioner) of Norriseal angle-disc butterfly valves and other types of quarter-turn valves.

Series 2G actuators can be configured with spring-return (“fail-safe”) operation or with a double-acting diaphragm for low-pressure applications.

Available in four size ranges with torque output to 17,000 in. lbs. The field-proven design easily adapts to various mounting styles and shaft types. A wide range of accessories is available, including electric and pneumatic positioners and limit switches.