Rotary Valve Actuators
Cowan Dynamics offers a comprehensive range of rotary 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.
Rotary Valve Actuator Lineup
E2H-ESD
Electro-hydraulic ESD Actuator
The E2H-ESD is designed for Emergency Shutoff Valves and features a completely modular design consisting of the following modules: hydraulic power unit, hydraulic cylinder, scotch yoke mechanism, spring canister, and control panel for local and remote operation.
- Torque up to 3,000,000 in-lbs
- SIL-3 Capable (pending)
- Hydraulic Manual Override
- Operating Temp. -50ºC to 40ºC
E2H90 Series
Electro-Hydraulic Valve Actuator
The E2H90 Electro-hydraulic Rotary Valve Actuator is 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.
- On/Off Service
- Operating Voltage: 220 VAC, and any global 3-Phase voltage ratings
- Fail-Last, Fail-Close or Fail-Open
- Operating Pressure 3000 psi
- Thrust up to 4,000, 000 in-lbs
E2HR Series
Electro-Hydraulic Valve Actuator
The E2HR Electro-hydraulic Rotary Actuator features an all-in-one design and packs high performance into the smallest possible installation envelope for ¼ turn valve actuating applications.
- Torque up to 300,000 in-lb
- SIL-3 Capable (pending)
- Hydraulic Manual Override
- Speed 20°/Sec
- Torque up to 300, 000 in-lbs
- Standard Temp. -50ºC to 40ºC
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
Rotary Valve Actuator 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.
