Double acting hydraulic cylinders are actuators that apply hydraulic pressure to both the piston and the rod sides of the cylinder. This allows for:
Powered extension and retraction
Stronger and more controlled movement
Greater flexibility in orientation (vertical, horizontal, or upside down)
Improved performance in fast-paced or complex operations
Enerpac’s double acting cylinders are typically rated to 10,000 psi (700 bar) and come in a wide range of stroke lengths, mounting options, and tonnages—from small industrial cylinders to heavy-duty high-tonnage models.
Enerpac Double Acting Cylinders are favored when hydraulic control is needed throughout the full stroke cycle. Applications include:
Hydraulic presses and tooling systems
Automated lifting and lowering machines
Construction hoists and bridge lifts with controlled descent
Rail car and transport equipment service
Pipe and flange separation or alignment
Push-pull assemblies and testing systems
In these applications, the operator has complete control over both directions of movement, making double acting cylinders ideal for precise positioning, heavy lifting with controlled lowering, and mechanical testing.
To operate correctly, double acting cylinders require two hydraulic ports—one for extension, one for retraction—and work best with dual-control accessories:
Electric or air-powered pumps with 4-way valves
Directional control valves for fluid routing
Dual high-pressure hoses and quick couplers
Mounting hardware (flanges, base plates, clevis ends)
Tilt saddles and load alignment tools
Pressure gauges and stroke limiters for monitoring**
Many Enerpac systems include synchronized control boxes, especially for lifting large structures with multiple double acting cylinders working in tandem.
Enerpac Double Acting Hydraulic Cylinders are used extensively across the following U.S. industries:
Construction & Infrastructure – For controlled lifting of bridge decks, beams, and foundation structures
Manufacturing & Automation – Integrated into jigs, fixtures, and assembly presses
Mining & Energy – For tensioning, pushing, and heavy component movement
Railroad & Transport – Used in jacking systems where quick retract is needed
Aerospace & Defense – For controlled motion in maintenance and testing stations
Marine & Offshore – Ideal for push-pull setups in tight spaces and ship maintenance
Their speed, control, and reliability make them essential in any application that can’t afford delays or imprecise force application.
Enerpac’s double acting models are designed for precision under pressure, offering clear advantages:
Hydraulic force applied in both directions
Faster operation—no waiting for spring return
Ideal for automation and remote-controlled systems
Suitable for all orientations—no gravity required for retraction
Engineered for high-cycle, high-force environments
From field repair to factory automation, Enerpac double acting cylinders are built for serious performance and control.
Enerpac’s double acting cylinders are often used in synchronized lifting systems, where multiple cylinders must move in unison within millimeters.
These cylinders are preferred for horizontal or upside-down lifting, where gravity return wouldn’t work.
When paired with solenoid valve-controlled pumps, double acting cylinders can be fully remote-operated.
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Simplex Pancake Lock Nut High Tonnage Hydraulic Cylinders are specialized, low-profile lifting solutions designed for applications where space is limited, but high load capacity is required. These cylinders feature a lock nut mechanism, which provides mechanical load holding, ensuring safety and stability even under prolonged use. With their pancake design, they are built to fit into tight spaces while delivering exceptional lifting force.
These cylinders are ideal for operations requiring high tonnage lifting in confined spaces. Their primary uses include:
These cylinders are typically used in conjunction with lifting systems and can be operated in synchronized groups for even load distribution across multiple points.
To function effectively, Simplex Pancake Lock Nut High Tonnage Hydraulic Cylinders require high-pressure hydraulic pumps. The most commonly used pump types include:
The choice of pump depends on the specific operational needs, required lifting speed, and environmental considerations.
These hydraulic cylinders are widely used across various industries in the United States, including:
Simplex Hydraulic Jacks, Cylinders, Tools, and Pumps
Supplied by WB Equipment in NY NJ and CT are reliable, high-performance hydraulic lifting tools designed for industrial applications. Known for their durability and precision, these jacks handle heavy loads with ease. Available in various capacities and configurations, Simplex jacks are ideal for construction, maintenance, and manufacturing tasks, offering efficiency and safety for demanding lifting operations.
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