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Valve Operation Type
Power Source
Power Fail Position with springs (Single acting)
E2HL Series | Electro-Hydraulic Actuator for Linear Valves
The E2H Series is an all-in-one design for linear control valve automation. Delivering thrust up to 500,000 Lbf and equipped with an energy efficient motor design for linear control valve automation.
ZE-ESD Series | Module ESD Valve Actuator System
Zero-Emission Emergency Shut-Down (ZE-ESD) for linear or rotary valves that require an automatic fail-safe position in locations where power is not available. Capable of achieving up to 118,000 Lbf or 131,000 in-lbs based on valve type.
RP Series | Pneumatic Mill-Type Cylinder
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. Features heavy wall tubing for 200 PSI continuous service and extra-long heavy duty rod bushing with dual wipers.
P Series | Pneumatic 250psi NFPA
250 PSI NFPA Pneumatic Cylinder. P Series bore size range from 1.5” to 14”. Piston rod diameter of 5/8″ to 3 1/2″. Available in Medium Duty, Heavy Duty, and Heavy Duty 316 Stainless Construction for corrosive applications.
R Series | Hydraulic Mill-Type Cylinder
Hydraulic Mill-Type Cylinder with Bore Sizes: 4″ – 16″. Available in pressure ratings of 300 Bar (Metric), 3000 PSI and 5000 PSI. Features custom mounts to suit any application and made-to-order stroke lengths.
L Series | Hydraulic 3000psi Servo Actuator
Hydraulic 3000 PSI Servo Actuator bore size ranges from 1.5” to 6”. It is designed for the most demanding applications where position control is essential. It is prepared to accept a linear displacement transducer. Custom stroke lengths are available.
N Series | NFPA Hydraulic Cylinder
NFPA hydraulic cylinder with bore size from 1 1/2″ to 6″. Features pressure rating: up to 2,000 PSI, High-strength piston-to-rod joint, and removable cartridge rod bushing. Made-to-order stroke lengths.
ML Series | Hydraulic 3000psi NFPA
3000 PSI NFPA Hydraulic Cylinder with bore sizes from 1½” to 20″ designed for longevity in the harshest environments. The cylinder is available in double acting, spring return and extend.
AT Series | Dart Valve Actuator
Powerful patented dart valve actuator with a self-contained transducer to replace traditional mechanical linkage arms for position feedback used in froth flotation cell systems. Features thrusts up to 55,000 lbs, SIL-3 Capable, and high-strength carbon fiber barrel.
AT Series | Control Valve Actuator
Pressure Rating: 150 PSI | Bore Sizes: 5″ – 42″ | Pneumatic modulating control valve actuator with integral position transducer. Features a high-strength carbon fiber barrel with dual or triple-seal glands. Made-to-order stroke lengths.
AS Series | Spring Return Pneumatic Valve Actuator
The next-generation “compact” model provides a shorter and lighter canister for installations where space is a premium. It is SIL-3 Capable and provides thrust up to 72,000 lbs. Springs are pre-compressed and factory-sealed inside a welded steel canister.
A Series | Double-Acting Pneumatic Valve Actuator
Designed and engineered for severe service applications, the A Series bore sizes range from 4” to a whopping 42” diameter. Features include thrusts up to 425,000 lbs, SIL 3 Capable (IEC 61508) and stroke range: up to 144″.
C6A Series | API 6A Hydraulic Actuators
The Self-Contained API 6A Hydraulic actuator is a safety system designed to provide reliable valve shutdown capability when an external power source is unavailable or unreliable. The C6A series has nominal pressures of 3,000 PSI / 5,000 PSI.
MS Series | Spring-Return Hydraulic Valve Actuator
Delivering thrust up to 72,000 lbs. and SIL-3 Capable, our spring-return hydraulic valve actuator is designed to suit a wide range of valve automation applications, from commodity to severe service extremes.
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.
CGO Series | Gas/Oil Rotary Actuator
The CGO Series Gas/Oil Actuator uses natural gas or nitrogen gas as the motive power and hydraulic oil as the driving medium to actuate the pipeline valve to a fully open or fully closed position. Torques up to 4,000,000 in-lbs.
CSY Series | Scotch Yoke Valve Actuator
Cowan’s Scotch Yoke Valve Actuator has a modular design that allows customization to fit specific needs. Features include Double-Acting or Spring-Return and torque up to 2,500,000 in-lbs.
E2HR Series | Electro-hydraulic Actuator for Rotary Valves
The E2HR packs high performance into the smallest possible installation envelope for ¼ turn valve actuating applications. Delivering up to 300,000 in-lbs. of torque with an energy-efficient motor design.
E2H90 Series | ON/OFF Electro-hydraulic Rotary Actuator
The E2H90 self-contained on/off electro-hydraulic is used for industrial process rotary valves where highly reliable, controlled, and Emergency shutdowns are required. Torque up to 2,650,000 in-lbs.
E2H-ESD Series | Electro-hydraulic ESD Valve Actuator
Self-contained system engineered for fast, safe, and reliable failure conditions on the loss of power and/or ESD signals. Torques up to 3,000,000 in-lbs. Operating Pressure: 2,500 psi.
