AS Series

Spring-Return Pneumatic Valve Actuator

Next generation “compact” model provides a shorter and lighter canister for installations where space is a premium.  

SIL-3 Capable. Thrust up to 72,000 lbs. 

spring return pneumatic actuator

 Spring into Action

Custom Comes Standard

 

  • Choose from a full range of readily available dimensional sizes and thrusts
  • Reduce design and developmental costs
  • Faster, simpler selection process improves your project planning and turnaround on proposals, feasibility studies, etc.
SIL3 Actuators

Safety Comes First, Stays First

 

  • Springs are pre-compressed and factory-sealed inside a welded steel canister: no extended tie-rods required!
  • Modular Canisters are easily and safely removed for simple in-field servicing of actuator piston seals

Specifications At a Glance

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Thrust: up to 72,000 lbs

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Bore Size: 6″-42″

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Configuration: Single-Stage and Tandem

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Stroke Range: Up to 12″

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Compact Model Available

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Pressure Rating: 150 psi

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Welding Certified to CSA 47.1 Division 2

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Fail-Close or Fail-Open

AS Series Compact Model

spring return pneumatic actuator

Introducing the Next Generation AS Series Compact.

Based on our proven AS Series Spring-Return Pneumatic Valve Actuator, the Compact version was designed specifically for applications where space is a premium.

AS Series Features

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Interactive Icons

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Fail-Closed

spring return actuator cutaway
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Spring

Available in thrust up to 72,000 lbs.; Ground Flat for stability

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Flange Cover

Allows access to jam-nut to quickly and safely remove the canister for in-field service; Access for manual override available as an option

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Self-Contained Spring Canister

Spring is pre-compressed and factory-sealed inside a welded steel canister: no extended tie-rods required; Allows safe in-field service of piston packings, rod seals and bushings

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Piston Packing

Nitrile U Cups are standard; High and low temp optional

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Pedestal Mount

Carbon steel interface; Base plate is machined to suit valve requirement; Standard with dual adjustable stops; Optional accessories: Open and close limit switches; Lockouts; Travel stops

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Wear-Band

BZ-PTFE for high temp version

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Barrel Seals

Nitrile O-ring standard; High or low temp optional

Fail-Open

spring return actuator cutaway open
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Spring

Available in thrust up to 72,000 lbs.; Ground Flat for stability

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Flange Cover

Allows access to jam-nut to quickly and safely remove the canister for in-field service; Access for manual override available as an option

\

Self-Contained Spring Canister

Spring is pre-compressed and factory-sealed inside a welded steel canister: no extended tie-rods required; Allows safe in-field service of piston packings, rod seals and bushings

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Piston Packing

Nitrile U Cups are standard; High and low temp optional

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Pedestal Mount

Carbon steel interface; Base plate is machined to suit valve requirement; Standard with dual adjustable stops; Optional accessories: Open and close limit switches; Lockouts; Travel stops

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Wear-Band

BZ-PTFE for high temp version

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Barrel Seals

Nitrile O-ring standard; High or low temp optional

SIL 3 Capable

The AS Series Spring-Return Pneumatic Valve Actuator’s SIL 3 capable rating is designed to provide reliable actuation solutions in critical applications without compromising the facilities Safety Instrumented Systems (SIS – compliant with IEC 61511/ISA 84).

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