Linear Valve Actuators
Cowan Dynamics offers a comprehensive range of 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.
Linear Valve 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
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
E2H Actuator
Electro-Hydraulic Linear Valve Actuator
The E2H Electro-Hydraulic Linear Valve Acutator is an all in one design. No need for a separate hydraulic power unit and hoses. Easy to use touch screen for quick setup and operation.
- Thrust: up to 500,000 Lbf
- 100% Duty Cycle
- ESD Capable
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″
