Cowan Connection

Latest News from Cowan Dynamics

Diaphragm Actuators Video

https://youtu.be/NZ50z5yCkaU Excellent Repeatability, Small Size, Ease of Actuation Work The diaphragm actuators have an adjusting mechanism that is incorporated into the actuator design to allow for adjustment of the spring pre-compression.Learn more about diaphragm actuators by visiting our CDA Series page.

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Hydraulic 3000 PSI NFPA Cylinder Video

https://youtu.be/uAB8qEFj9Kk Unleash your plant's full potential. Upgrade to the ML Series.NFPA ML Series: Bore size range from 1.5” to 20” diameter with a stroke up to 144”. The ML is available in double acting, spring return and extend. Learn more about diaphragm actuators by visiting our ML Series page

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Fail-Safe Systems: Do More With Less

Spring-return actuators are a great mechanical solution to fail-close or fail-open process valve requirements. Over the years, we’ve made some as large as 24 feet long. However, just because we can do it doesn’t always mean it’s practical; sometimes there are weight or space constraints. An alternative to spring-return actuators is Cowan’s FCS systems. Think of these systems as an "air-spring". The air pressure stored inside the reservoir is on standby. Once the fail condition is triggered the reservoir will "spring in to action" and supply the pressure to the actuator to close or open the process valve. We take this approach one step further by adding our A2A pneumatic air-to-air booster. These systems are designed for applications in which the available air pressure is too low and/or...

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Air-Spring Fail-Safe System Video

https://youtu.be/CtDDo126qRs  Safe. Effective. Reliable. FCS Series: Air-spring systems provide a reliable alternative to spring-return  for large or high-pressure valve applications in which conventional spring-return cylinders are not a mechanically or economically viable option. For more information visit: www.cowandynamics.com/air-spring-fail-safe-systems

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Control Valve Actuator Video

https://youtu.be/8MBGoAxFaJM AT Series: Bore size range from 5” to 42” and pressure rating 150 PSI. Add-ons available including volume booster, mounting kits and remote or direct mount. Learn more about control valve actuators by visiting our AT Series page.

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What are NFPA Cylinders?

We often get asked: “What does NPFA mean with respect to cylinders?” (Hint: The National Fire Protection Association is not endorsing cylinders) NFPA Cylinders have common features that are designed based on standards created by the National Fluid Power Association (www.NFPA.com). This allows the flexibility for end users to interchange cylinders between one manufacturer and another. Common features include port sizes and locations, mounting styles and mounting dimensions. These linear actuators are available in both hydraulic and pneumatic versions. Construction consist of square end caps and typically four tie rods. The cylinders are available in aluminum, steel and stainless steel. NFPA standards allow greater flexibility to find a cylinder that fits your application....

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How to Develop and Qualify Sensors for Arctic Conditions

A thank you to Bernd Schneider (Industry Manager Energy – Balluff GmbH Germany) for this weeks blog post on sensors for arctic conditions. The climatic conditions in the arctic are characterized by cold winters and short summers. There is a large variability in climate and weather: Some regions face permafrost and are ice covered year-round with temperatures down to -40°C / -40°F (and lower), other land areas face the extremes of solar radiation up to +30°C / +86°F in summer. As oil and gas exploration moves into arctic areas, the need grows for sensors designed to deal with the extreme conditions and to perform reliably over their whole life cycle. One option is the implementation of a Highly Accelerated Life Test (abbreviation HALT) in the development process. The basic idea of HALT is...

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Double-Acting Hydraulic Valve Actuator Video

https://youtu.be/nXyoIIidP8s The double-acting hydraulic valve actuator is designed to suit a wide range of applications; from commodity to severe-service extremes. With a pressure rating of 3000psi, a bore size of 1 1/2" to 24", and many different additional options, it can be customized to fit customer specific applications. For more information visit: https://www.cowandynamics.com/double-acting-hydraulic-valve-actuator/

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Spring-Return Pneumatic Valve Actuator Video

https://youtu.be/Uxq-ViHyK_8 Looking for Fail-Safe for your linear valve?  Check out our Spring-Return Pneumatic Valve Actuator.  SIL-3 capable with thrusts up to 72,000 lbs.  Available in single-stage and tandem configurations. or more information visit: https://www.cowandynamics.com/spring-return-valve-actuator/

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Self-Contained Electro-Hydraulic Rotary Valve Actuator Video

https://youtu.be/to-7EZBWjus Compact Self-Contained Electro-Hydraulic Rotary Actuator Cowan E2H90 Series Self-Contained Electro-Hydraulic Rotary Actuators are used for industrial fields where highly reliable controlled valves are required. They are used to drive angular-stroke valves, linear-stroke valves, and lifting-lever-type ball valves. For more information visit: https://www.cowandynamics.com/electro-hydraulic-rotary-valve-actuator/

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Custom Control Panels and Systems Video

https://youtu.be/J-E1N1cyG3A From small simple local control panels to large multi-cabinet PLC based systems, custom control panels are engineered and designed based on the logic provided by the end user. For more information visit: https://www.cowandynamics.com/panel-solutions/

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What is a Mill-Type Cylinder?

Mill-Type cylinders are cylinders designed to fill a need for a more durable, more reliable product to reduce down-time and maintenance costs. Based on design specifications that are not subject to NFPA limitations, the mill-type cylinder has heavy-duty construction with steel flanged end caps, heavy-wall steel tubing, bigger pistons, bearings, advanced gland design, and numerous other features. The mill-type cylinder also has a high pressure rating which is well above industry standards. Together these features assure greater reliability under the severest environmental and operational conditions. Photo: Improving the control of the production of steel plates on a Duo rolling mill. The main difference between between a mill-type cylinder and a NFPA cylinder is that the mill-type is not...

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API 6A Hydraulic Actuators Video

API 6A Hydraulic Actuators https://youtu.be/QZ7xwQxslaw Cowan's C6A Series: API 6A Hydraulic Actuator has a temperature range of -40°C (-40°F) – 70°C (158°F). The C6A has many options, including a self-contained ESD system. For more information visit:  https://www.cowandynamics.com/api-6a-hydraulic-actuator/

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Pneumatic Mill-Type Cylinder Video

https://youtu.be/HC-sOc3-zNs Continuous Service That is Made to Fit Any Application Pneumatic mill type cylinder RP Series: Bore size range from 2” to 20” with a piston rod diameter of: 5/8″ to 5 1/2″. The RP is designed for severe applications. For more information visit:https://www.cowandynamics.com/pneumatic-mill-type-cylinder/

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Valve Automation Solutions Video

https://youtu.be/p8rT8e56tq0 Valve automation offers a wide range of options to facilitate both the valve adaption and the valve operation process. Along with actuator control solutions and manual overrides, mounting kits are also an option and can be designed for any linear valve. Automation solutions allow every operation to be customized and to run with efficiency. Learn more about valve automation solutions. 

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Eletro-Hydraulic Actuator

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.

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AS Series Feature

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

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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.

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