Cowan Connection

Latest News from Cowan Dynamics

Emergency Shutoff Valve Automation with Cowan’s E2H-ESD Actuator

Montreal, Quebec May 3, 2022 Cowan Dynamics, a leading industrial valve actuator manufacturer, continues to advance valve automation with the release of the E2H-ESD. The E2H-ESD actuator is the newest addition to their electro-hydraulic actuator lineup and is designed specifically for Emergency Shutoff Valve (ESD) automation. “In 2021 we released the ZE-ESD – a Zero Emission, ESD valve fail-safe system used in remote areas where power is not available. This product was successfully implemented and praised by remote pipeline operators.” Says Maria Aguirre, Director of Business Development. “Refineries and pipeline operators required more advanced valve automation for their ESD valves. We are pleased to announce the release of the E2H-ESD.  The system provides ESD valve automation with...

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Press Release: C-PAC Module Pneumatic Manifold & Online Store

September 25, 2020   Cowan Dynamics is pleased to announce advancements to their “C-PAC Module” Pneumatic Manifold and the launch of the C-PAC store. The C-PAC (Cowan’s Pneumatic Actuator Control) is an out-of-the-box solution and can save up to 90% in assembly time and easily automate valve actuators without using cumbersome and costly piping to connect various automation components.   The C-PAC Pneumatic Manifold has the following capabilities for linear & 1/4 actuators:  speed control  safety pressure relief  fail-safe capabilities   Reliability & Safety  Valve actuator technicians and Valve Automation Centers have commented on the reliability and performance of the C-PAC Pneumatic Manifold. Its preassembled manifold configuration eliminates potential leak points and...

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Press Release: Expanded E2H Series | Electro-hydraulic Linear Valve Actuator

Montreal, Quebec  July 24, 2020  Cowan Dynamics is pleased to announce the release of their newly expanded E2H Series, Electro-Hydraulic Linear Valve Actuator. The electro-hydraulic actuator combines the best of both worlds of electric actuators and hydraulic actuators for control valve automation.   The E2H linear electo-hydraulic valve actuator replaces the need for separate, bulky hydraulic systems and complex hydraulic piping. In addition, the E2H can replace MOV (electric actuators) where 100% Duty Cycle, High Speed, and fail-safe requirements are of primary importance.   The updated brochure provides engineers with:  Details on How to Configure Multiple E2H Actuators  Mounting Flange Specifications & Dimensions  Bore Size / Motor / Thrust / Speed Specifications  Easy How...

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Press Release: Next Generation AS Series Compact Model | Spring-Return Pneumatic Valve Actuator

Montreal, Quebec May 15, 2020 Cowan Dynamics is pleased to announce the release of the next generation AS Series, Spring-Return Pneumatic Valve Actuator. Based on the proven AS Series, the Compact version was designed specifically for applications where space is a premium. The AS Compact provides amazing reductions, up to 57% shorter and 42% lighter canisters compared to the standard model. Safety Integrity Level The AS Series has a SIL-3 Capable rating, designed to provide reliable actuation in critical applications without compromising the facilities Safety Instrumented Systems (SIS – compliant with IEC 61511/ISA 84). Custom Orders no Longer Needed  Cowan Dynamics has developed a standardized, catalogue-based spring-return actuator solution. Customers can now simply refer to a...

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Press Release: Cowan Dynamics Launches E2HR Electro-Hydraulic Rotary Valve Actuator Series

Montreal, Quebec March 19, 2020 Cowan Dynamics announces the launch of its E2HR Series Electro-Hydraulic Rotary valve actuators. Using proven technology from our E2H Series, the E2HR packs high performance into the smallest possible installation envelope for ¼ turn valve actuating applications. All hydraulic components and sensors are integrated into a single compact manifold block that also houses the actuator and integral oil reservoir. The control panel can be mounted directly to the manifold block or installed remotely to run multiple units from a single control panel This self-contained actuator can be installed either vertically or horizontally and has no external piping.  Available for on/off or modulating applications and for a wide range of markets and valve applications.  ...

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Cowan Dynamics Installs New Low Temperature Test Chamber

Cowan Dynamics Installs Low Temperature Test Chamber Montreal, Canada October 24, 2016 A new extreme-low temperature test chamber has been installed at Cowan Dynamics’ Montreal engineering and manufacturing location. “With this equipment we can attain temperatures to -80C which allows us to perform low-temperature static, as well as dynamic functionality and endurance tests.” says Daniel Gagne, VP. Operations and New Product Design. “This additional capability was required in order to fully evaluate new product designs to detailed protocols and performance standards. This investment further enhances our capabilities in our ongoing R&D programs.” Cowan Dynamics, established in 1957, has its head office and manufacturing facilities in Montreal, Quebec, a sales office located in...

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Featured Valve Automation Actuators

A Series Feature

Designed and engineered for severe-service applications, the A Series bore sizes range from 4” to a whopping 42” diameter. We also offer a wide range of automation options.


AS Series Feature

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


ML Series Feature

Our ML Series Double-Acting Hydraulic Valve Actuators are designed to suit a wide range of applications; from commodity to severe-service extremes.