ML SeriesDouble-Acting Hydraulic Actuator
Compact. Simple. Versatile. 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.
Specifications
| Bore Size | 1 1/2″ to 24″ |
|---|---|
| Configuration | Single-Stage |
| Stroke Range | Up to 144″ |
| Pressure Rating | 3000 psi |
| Rod Size | 1″ – 10″ |
| Thrust | up to 1,500,000 lbs |
| Material Breakdown | STANDARD | Stainless Steel Material Option |
|---|---|---|
| Head & cap | Machined Steel | 316 |
| Barrel | Honed Seamless Steel Tubing *Optional Chrome Plating available | Application Dependent Consult Factory |
| Piston | Ductile Iron | Ductile Iron |
| Piston rod | 1045 | 17-4 PH |
| Gland | SAE 660 Bronze | SAE 660 Bronze |
| Tie Rod | Stress-proof Steel | 17-4 PH |
From the arctic to the desert, proven seal compounds for a wide variety of applications.
| High Temp | -29°C (-20°F) to 205°C (401°F) |
|---|---|
| Standard Temp | -40°C (-40°F) to 105°C (221°F) |
| Low Temp | -54°C (-65°F) to 60°C (140°F) |
Design & Materials
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High Load Piston Seal Standard | Excellent wear resistance and sealing
Piston Rod Flats | 4 wrench flats for easy installation
Cushion Plunger (Optional) | Floating Cushion plunger provides maximum cushioning effect combined with a quick start for optimum performance
High Strength Nylon Wear Rings | BZ-PTFE for high temp version
ML Series Applications
Industries trust us to provide state-of-the-art actuation and automation solutions in the following sectors.
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.
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.
Datasheets & Videos
Available in 316 Stainless Construction
For corrosive applications. Includes attachments such as Rod Clevis and Eye Brackets.
GT3 Gland for Harsh Environments
Triple-seal gland with dual wipers. Rugged metallic scraper and urethane double-acting wiper deflect contamination away from the rod seal for long service life for your hydraulic actuator.
- Low Temp
- Cast iron construction for applications where yellow metals are not allowed
HPU and Gas/Oil System
HPU and Gas/Oil Systems available. Standard and custom units engineered to customer specifications and applications.
Manual Hand Pump
Hydraulic manual override with indicator.
Mounting Kits: ISO, MSS & Customized Patterns Available
Cowan valve mounting kits can be designed for any linear hydraulic actuator for valve control. Mounting kits available in steel and stainless steel construction.
Maintains constant alignment between valve stem and cylinder piston-rod. Compatible with rotary type switch boxes and beacons.
To limit stroke for position-seated or limited-travel applications. Ensures valve reaches positive sealing every time without damage to valve internals.
Limit Switches
Mechanical Limit Switch SPDT, for Open & Close Indication. Inductive switches also available. Solid State, Reed and inductive type also available. Specify brand and part number for your hydraulic actuator.
Triple Seal Gland Standard
Gland Bushing: Cartridge type, no special tools required for removal
Buffer Seal: Protects primary seal from pressure spikes. PTFE for low friction and long service life.
Primary Seal: Heavy Duty Polyurethane “U”-cup for excellent seal ability and long service life.
Encased Rod Wiper: Rugged wiper deflects contamination away for the rod seals for long service.
