Arca – Diaphragm ActuatorsEnquire Now

Arca 8211 Diaphragm Actuators

BRAND: ArcaCATEGORY: Actuators

The Arca Series 811 / 812 Diaphragm Actuator is a simple design with a robust rolling diaphragm makes suitable for all applications while ensuring hysteresis-free control across the entire actuating range. These pneumatic valve actuators can be opened or closed using spring force or instrument control air. The actuator is field-reversible, making them very versatile and providing security for your investments. The integrated compression springs ensure that the pneumatic control actuator always adopts a defined fail position. This is accomplished with very short actuating times meaning that alongside their control tasks, Arca diaphragm actuators also play a key role in safeguarding your plant. Explosion protection is not an issue when configuring pneumatic diaphragm actuators. A host of accessories and options are available including a manual emergency override. Contact our technical specialists for a quote today  or download the brochure now to learn more.

Specifications

Series811 / 812
Design

Rolling Diaphragm

Features
  • Direct mounting to Arca globe control valves
  • Reliable rolling diaphragm
  • Reversible actuator
  • Integrated air supply
  • Compact design
  • Low dead volume
  • Low dead volume
  • Wide range of materials
Size
Range

81 kN air max

Temperatures–40 to +90 °C
Housing
Materials
  • Carbon Steel 1.0332 – Powder Coated
  • Stainless Steel 1.4301
Max
Pressure
6 Bar
Options &
Accessories
  • Fail open or fail closed
  • Double acting
  • Manual overrides
  • Positioners
Applications

Operation of globe control valves throughout the process industry where reliable low maintenance hysterisis-free operation is required.

To find out more about specific applications visit our application section!

PRODUCT ENQUIRY

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