Pneumatic Valve Actuators
Cowan Dynamics offers a comprehensive range of pneumatic rotary and linear valve actuators for control valve automation tailored for industrial applications. Our products are engineered for durability, reliability, and precise control, ensuring optimal performance in various industrial processes.
Pneumatic Valve Actuator Lineup
CSY Series
Pneumatic Rotary Actuator
The CSY Pneumatic Rotary Actuator modular design that allows customization to fit specific needs. Bi-directional travel stop allows an adjustable stroke range of 80 degrees to 100 degrees. NAMUR mounting allows standardization of mounting hardware for a wide range of shaft-driven accessories.
- Double-Acting or Spring-Return
- Torques up to 2,500,000 in-lbs
- Operating Pressure: 40 – 100 PSIG
- Low Temp. -40ºC to 80ºC
- Standard Temp. -20ºC to 80ºC
- High Temp. -20ºC to 120ºC
CGO Series
Gas/Oil Rotary Actuator
The CGO Gas/Oil Rotary Actuator is suitable for Rotary (Quarter-Turn) valves with a linear design also available. Nitrogen Gas Application: High-sulfur natural gas and oil pipelines can use nitrogen gas as a power supply. Optional solar power module.
- Torques up to 4,000,000 in-lbs
- Air Supply Pressure: 5 – 150 Bar
- Electronic Line Break Protection
- Standard Temp. -15ºC to 80ºC
CRP Series
Rack & Pinion Actuator
Full compliance to worldwide standards and specifications. The CRP Rack & Pinion Actuator comes with an innovative universal drive shaft: Customized drive connections can be made in lieu of the standard double square bottom drive shaft connection.
- All moving parts are contained in Nylon bearings
- Torques up to 110,000 in-lbs
- Available in Double-Acting or Spring-Return
- PSI 115 psi
- Low Temp. -40ºC to 80ºC
- Standard Temp. -15ºC to 80ºC
- High Temp. -15ºC to 150ºC
A Series
Double-Acting Valve Actuator
The Double-Acting Valve Actuator comes in a dual or triple seal gland with a high-strength carbon fibre barrel. Bronze/Teflon piston wear band and a removable cartridge bushing. Made-to-order stroke lengths. Valve mounting kits available
- Bore size: 4″ to 42″
- Piston rod diameter: 1″ to 5 1/2″
- Available in single-acting and double-acting
AS Series
Spring-Return Valve Actuator
Available in fail-close or fail-open. Standard offering – no custom design required. The Spring-Return Valve Actuator is available in a full range of dimensional sizes and thrusts. Springs are pre-compressed and sealed in a factory-installed canister. Canisters are easily and safely removed for in-field servicing.
- Valve Size: 2” to 10”
- Thrust: up to 72,000 lbs
- Designed for the most demanding applications where position control is essential
AT Series
Pneumatic Modulating Valve Actuator
The Pneumatic Control Valve Actuator features a compact design with a self-contained transducer. No exposed transducer or clumsy linkage arms. Modular transducer for easy installation. Switchable analog or digital output. Dual or triple seal gland. High-strength carbon fibre barrel. Made-to-order stroke lengths. Valve mounting kits available
- Bore size: 4″ to 42″
- Piston rod diameter: 1″ to 5 1/2″
- Stroke: Up to 144″
- Single and double-acting
- Fail-Open, Fail-Close
AT Series
Dart Valve Actuator
The Dart Valve Actuator features a modular transducer for easy installation. Switchable analog or digital output. Dual or triple seal gland. High-strength carbon fibre barrel. Made-to-order stroke lengths. Vibration resistance up to 10Gs at 2000Hz.
- Thrusts up to 55,000 lbs
- US & CAN Patents
CDA Series
Pneumatic Diaphragm Actuator
Excellent repeatability: tested to over 400,000 cycles without loss of precision! The Pneumatic Diaphtram Actuator Outputs repeatable thrust force. Nested spring design to maintain compactness.
- Effective Diaphragm Area: up to 217 in2
- Direct or Reverse Acting Styles
- Fail-Close or Fail-Open
- Thrust up to 13,000 lbs
- PSI up to 60 psi
- Stroke up to 4″
Pneumatic Valve Actuators Applications
Cowan offers a variety of rotary and linear valve actuators that can be customized to fit the customer’s requirements for various markets and applications.
Oil and Gas
Empowering oil and gas operations with advanced valve automation, ensuring efficient flow control for upstream and downstream applications.
Chemical Processing
Maximizing chemical processing efficiency with cutting-edge automation and precision control technologies.
Mining & Processing
Boosting mineral processing productivity with innovative automation and control systems, like our dart valve automation products.
Water Treatment
Streamlining water treatment processes with advanced valve automation, such as regulating flow rates for precise flow control.
Power Generation
Enhancing power generation reliability through state-of-the-art valve automation, ensuring seamless operation of turbine control valves for optimized energy output.
Manufacturing
Revolutionizing manufacturing efficiency with precise actuation automation by optimizing the operation of advanced operations from aviation testing systems to industrial milling process control.
