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 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.
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
Thrust: up to 72,000 lbs
Bore Size: 6″-42″
Configuration: Single-Stage and Tandem
Stroke Range: Up to 12″
Compact Model Available
Pressure Rating: 150 psi
Welding Certified to CSA 47.1 Division 2
Fail-Close or Fail-Open
Valve Compatibility
Our Series AS Spring-Return Pneumatic Valve Actuator is compatible with any process valve that requires linear motion.
Learn More About: Valve Types
AS Series Compact Model
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
Interactive Icons
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Fail-Closed
Spring
Available in thrust up to 72,000 lbs.; Ground Flat for stability
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
Piston Packing
Nitrile U Cups are standard; High and low temp optional
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
Wear-Band
BZ-PTFE for high temp version
Barrel Seals
Nitrile O-ring standard; High or low temp optional
Fail-Open
Spring
Available in thrust up to 72,000 lbs.; Ground Flat for stability
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
Piston Packing
Nitrile U Cups are standard; High and low temp optional
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
Wear-Band
BZ-PTFE for high temp version
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).