Hydraulic Actuator

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Hydraulic Actuator Lineup

ML Series

Double-Acting Hydraulic Valve Actuator

Delivering thrust up to 1,500,000 lbs and SIL-3 Capable. Our double-acting hydraulic valve actuators are designed to suit a wide range of applications; from commodity to severe-service extremes.

  • Bore Size: 1 1/2″ to 24″
  • Configuration: Single-Stage
  • Stroke Range: Up to 144″

MS Series

Spring-Return Hydraulic Actuator

SIL 3 capable. Custom dimensional sizes and thrusts available. Springs are pre-compressed and seals in a factory-installed canister. Available in fail-open or fail-close.

  • Thrust: up to 72,000 lbs
  • Bore Size: 1 1/2″ – 14″
  • Rod Size: 1″ – 7″
  • Stroke Range: Up to 24″

C6A Series

API 6A Hydraulic Valve Actuator

Designed and engineered for severe-service valve automation applications. The API 6A Hydraulic actuator has nominal pressures of 3,000 PSI / 5,000 PSI.

  • Solenoid Valve: 24 VDC, 10W
  • SPSL/PLH
  • Self-Contained ESD System

ML Series

3000 PSI Hydraulic Cylinder

3000 PSI NFPA Hydraulic Cylinder with low friction high-speed seals. Triple-seal gland with dual wipers. 4 wrench flats on piston rod Retained bushing is removable without cylinder dis-assembly. Adjustable cushions available as an option Made-to-order stroke lengths.

  • Piston rod diameter: 5/8″ to 10″
  • Single-ended or double-ended

N Series

Medium Duty Hydraulic Cylinder

Medium Duty NFPA Hydraulic Cylinder built with a high-strength piston to rod joint. Dual-seal gland with removable cartridge rod bushing. Adjustable cushions available as an option.

  • Made-to-order stroke lengths
  • Check Valve Assembly

L Series

Hydraulic Servo Cylinder

L Series Servo Cylinder: Bore size range from 1.5” to 6”. Designed for the most demanding applications where position control is essential.

  • Prepared to accept a linear displacement transducer
  • Low friction high-speed seals
  • Servo Hydraulic Cylinder
  • Made-to-order stroke lengths

R3/R5 Series

Next Gen Mill-Type Cylinder

Designed in response to our customers’ need for a more durable, more reliable product to reduce their replacement and maintenance costs.

  • Reduce design and development costs
  • Custom mounts to suit any application
  • Made-to-order stroke lengths

Hydraulic Actuator Applications

Cowan offers a variety of rotary 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.

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