Spring-Return pneumatic valve actuator

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

Learn More AS Series
Features at a Glance
Thrust: up to 72,000 lbs
Type: Fail-Close or Fail-Open
Models: Standard & Compact
Bore Size: 6″-42″
Pressure Rating: 150 psi
Configuration: Single-Stage and Tandem
Stroke Range: Up to 12″
Welding Certified to CSA 47.1 Division 2
Details spring return pneumatic actuator
Electro-hydraulic rotary valve actuator Compact. Simple. Versatile. See how our all in one rotary valve actuator design reduces the need for a separate hydraulic power unit and hoses. Learn More E2HR Series Electro-hydraulic Actuator Features
Torque: up to 72,000 lbs
Rotation: 90° +/- 5°
Speed: 20°/Sec
Operating Temp.: -50C to +40C
ESD Capable
SIL-3 Capable (pending)

The E2HR Rotary Electro-Hydraulic Actuator packs high performance into the smallest possible installation envelope for ¼ turn valve actuating applications.
Details E2HR Electrohydraulic Rotary Actuator
Linear Actuators Standard and severe service linear valve actuators. Offered for on/off and control valve applications. Learn More Designed and manufactured to operate a variety of rising stem valves, our linear actuators are customized to fit our customer’s requirements for a variety or markets and applications.

See our range of Hydraulic and Pneumatic Valve Actuators.
Details linear-actuator-cowan-dynamics
Electro-Hydraulic Linear Valve Actuator
Compact: All in one design. No need for a separate hydraulic power unit and hoses. Learn More E2H Series
Electro-Hydraulic Actuator Features:

Thrusts up to 125,000 lbs
Stroke: up to 36″
SIL-3 Capable (pending)
ESD Capable
100% Duty Cycle
Very Low Power Consumption – Lock in Place
Tight Shutoff
On/Off or Modulating Service
Fail Last Lock, Fail Close or Fail Open
Details electro-hydraulic-actuator-linear-e2h-series
Pneumatic booster air systems Consisting of a basic system plus an air to air booster, Cowan’s boosted air systems are designed for applications in which the available air pressure is too low and where space for additional air tanks is limited. Learn More A2A Series Up to 85% smaller and 45% lighter than conventional spring-return cylinders. The A2A penumatic booster has a smaller foot print resulting in less factory floor space being used.

Features:

Air driven, double acting pressure amplifiers
No mechanical or electrical power required
4:1, 3:1 and 2:1 intensification ratios
Compact, lightweight, corrosion resistant construction
High air flow output 100 cu in per stroke
Ideal to fill large air tanks where plant line pressure is low
Quiet operation
Details
Rotary Actuators Standard and severe service electro-hydraulic, hydraulic, & pneumatic valve actuators.

Offered for on/off and control valve applications.
Learn More
Cowan offers a variety of rotary valve actuators that can be customized to fit the customer’s requirements for a variety or markets and applications. We also offer valve mounting kits that can be designed for any rotary valve.

See our range of Rotary Hydraulic and Pneumatic Valve Actuators.
Details rotary actuator products
Valve automation solutions Specialized design, engineering and assembly of control systems
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Our Valve Automation Solutions work with your linear or rotary valve actuators and we provide customized solutions for every application, helping to make each operation economical and efficient.

We offer a wide range of valve automation control options including control panels, PLC panels and fail-safe systems.
Details
quotes@cowandynamics.com phone_in_talk Have a Question? 855-341-3415

Actuation Solutions and Systems for the World’s Most Challenging Environments

For over 60 years we continue leading the way with our range of actuator valve automation control. Our SIL-3 Capable products are used globally in harsh environments and are chosen for their safety features, product performance and reliability. 

We provide valve manufacturers and end-users with solutions focused on delivering a full array of reliable actuator products and services, on-time and to spec, regardless of your project scope, size or complexity.

Our ISO 9001-registered Manufacturing, R&D and Testing Facility enable us to ensure our clients that every component and system they receive will perform to specification. 

SIL3 Actuators
Certified Management System

How Can We Help Automate Your Valves?

Check out our innovative valve actuator lineup. 

Pneumatic Actuation

Linear Valve Actuators

Standard and severe service electro-hydraulic, pneumatic, & hydraulic valve actuators. Offered for on/off and control valve applications.

Partner Products

Rotary Valve Actuators

Standard and severe service electro-hydraulic, hydraulic, & pneumatic valve actuators. Offered for on/off and control valve applications.

Package Solutions

Valve Automation Solutions

Specialized design, engineering and assembly of control systems for severe service process valve applications.

Valve Actuator Solutions

Pneumatic Actuators

Our line of pneumatic actuators are available in both linear and rotary actuators.

 

Hydraulic Actuators

Our line of hydraulic actuators are available in both linear and rotary actuators.

 

Electro-Hydraulic Actuator

Our line of electro-hydraulic actuators are available in both linear and rotary actuators.

 

Don’t hesitate to contact us now