Emergency shutdown valve actuator

ZE-ESD Series

Zero Emission ESD Valve Actuator System for API Midstream Pipeline Distribution Networks that require an automatic fail-safe position where power is not available.

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Features at a Glance

Zero Emissions, Zero Energy required
Hydraulic fail-safe system with accumulator
Zero Emissions, Zero Energy required
For fail-safe systems (ESD & PSD), when power is not available
Secondary accumulator for leakage compensation ensures drift-free performance for weeks at a time.

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Spring-Return pneumatic valve actuator

AS Series

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

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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

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Rotary Actuators

Standard and severe service electro-hydraulic, hydraulic, & pneumatic valve actuators.

Offered for on/off and control valve applications.

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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.

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E2H Series

Electro-Hydraulic Linear Valve Actuator

Compact: All in one design. No need for a separate hydraulic power unit and hoses.

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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

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electro-hydraulic-actuator-linear-e2h-series

Pneumatic booster air systems

A2A Series

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.

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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

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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.

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Pneumatic Manifold

C-PAC Series

Out of the box valve automation solution for fail-safe, speed control, and safety pressure relief requirements. Compatible with linear and 1/4 turn valve actuators.

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Features at a Glance
Sizes: Available in 0.5" , 1", & 1.5" NPT
Fail-safe: Easily configure your actuator for fail-close, fail-open, or fail-last lock (requires air tank for fail-close or fail-open).
Speed Control: Independent control of opening and closing speeds.
Versatile:Modular Manifold is suitable for a wide variety of applications and mounting configurations.

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Electro-hydraulic rotary valve actuator

E2HR Series

Compact. Simple. Versatile. See how our all in one rotary valve actuator design reduces the need for a separate hydraulic power unit and hoses.

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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.

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Linear Actuators

Standard and severe service linear valve actuators. Offered for on/off and control valve applications.

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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.

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quotes@cowandynamics.com

Have a Question?

855-341-3415

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

For over 60 years Cowan Dynamics continues leading the way with our innovative valve automation solutions. 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 actuator and system they receive will perform to specification.

We are Trusted by Industries in: Mining, Oil & Gas, & Power Gen

Company News

We are pleased to announce that we have partnered with Instruvalve Perú

We are pleased to announce that we have partnered with Instruvalve Perú. Instruvalve Perú is...

We are pleased to announce that we have partnered with company ASTROTECH EQUIPMENTS PRIVATE LIMITED

We are pleased to announce that we have partnered with company ASTROTECH EQUIPMENTS PRIVATE...

El actuador E2H-ESD es la más reciente adición a la línea de actuadores electrohidráulicos

El actuador E2H-ESD es la más reciente adición a la línea de #actuadoreselectrohidráulicos de...

How Can We Help Automate Your Valves?

Check out our innovative valve actuator lineup. Need help selecting a valve actuator for your industrial process application? Use our web chat option!

Valve Actuator Solutions

Pneumatic Actuators

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

Spring-Return Pneumatic Valve Actuator (AS Series)
- Thrust up to: 72,000 lbs
Double-Acting Pneumatic Valve Actuator (A Series)
- Thrust up to: 425,000 lbs
Pneumatic Rotary Actuator (CSY Series)
- Torque up to: 2,500,000 in-lb
Pneumatic Modulating Valve Actuator (AT Series)
- PSI up to: 150 PSI
Valve Automation Solutions
- Fail-safe Systems & Control Accessories

Hydraulic Actuators

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

Double-Acting Hydraulic Valve Actuator (ML Series)
- Thrust up to: 1,500,000 lbs
Spring-Return Hydraulic Valve Actuator (MS Series)
- Preloads up to: 72,000 lbs
- Pressure Rating up to: 3,000 PSI
Hydraulic Valve Actuator (C6A Series)
- Nominal Pressure: 3000 psi / 5000 psi
- Closing Time: ≤ 5s

Electro-hydraulic Actuators

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

Electro-hydraulic Actuator – Linear (E2H Series)
- Thrust up to: 125,000 lbs
Electro-hydraulic Actuator – Rotary (E2HR Series)
- Torque up to: 300,000 inch-lbs

Don’t hesitate to contact us now

Contact Us

Emergency shutdown valve actuator

Spring-Return pneumatic valve actuator

Pneumatic Manifold

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

We are Trusted by Industries in: Mining, Oil & Gas, & Power Gen

Company News

We are pleased to announce that we have partnered with Instruvalve Perú

We are pleased to announce that we have partnered with company ASTROTECH EQUIPMENTS PRIVATE LIMITED

El actuador E2H-ESD es la más reciente adición a la línea de actuadores electrohidráulicos

How Can We Help Automate Your Valves?

Linear Valve Actuators

Rotary Valve Actuators

Valve Automation Solutions

Valve Actuator Solutions

Pneumatic Actuators

Hydraulic Actuators

Electro-hydraulic Actuators

Don’t hesitate to contact us now

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