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Norbro 40R Pneumatic Actuator

The Flowserve Norbro 40R pneumatic actuator is designed for high performance and reliability using a unique guide rod design, and can be used on a variety of quarter turn valves.

  • Limit stops in both directions of stroke
  • Unique moving guide rod design
  • UK Version with Norbro Drive Pinion & Standard J-switch Tapped Endcap, ISO Mounting
  • European Version with Star Drive Pinion & Limit Stop Endcap, ISO Mounting
  • Multi-spring fail-safe concept ensures actuator operation in the unlikely event of spring fracture (spring return models)
  • Blow-out proof pinion
  • Size range 05 - 42

Operating Temperature: Standard: -20°C to +100°C, Low temperature variant: -40°C to +85°C, High temperature variant: -20°C to +150°C

Supply Pressure: Up to 8.3 bar

Type: Quarter-Turn

Industries: Chemical, General Industries, Oil & Gas, Power, Water

The Norbro 40R pneumatic actuator, available in double-acting and spring-return, is based on the opposed double rack and pinion principle but utilises unique support rods to transfer air between the chambers of the actuator and minimise friction and wear between pistons and body bore. Its design also focuses on operational safety, ease of maintenance and a modular design concept which allows simple attachment of a variety of ancillaries to match customer requirements.


Country of Origin: China

Commodity Code: 84123900

Flowserve Norbro 40R Series Actuator Brochure
Flowserve Norbro 40R Series Actuator IOM

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