What is a single-acting hydraulic cylinder with spring return?

Single-acting hydraulic cylinders with spring return mechanism are hydraulic cylinders that are powered by hydraulic pressure in one direction, usually for extension and employ a spring mechanism to retract the piston when the hydraulic pressure is removed.

What are the factors to consider while selecting an appropriate low-profile hydraulic cylinder for my application?

Major factors include load requirements, stroke length, maximum operating pressure and available space.

ENERPAC RSM Low Height Hydraulic Cylinder

Enerpac RSM Series hydraulic cylinders are compact and high-pressure hydraulic tools used in tasks such as lifting heavy machinery, positioning equipment, pushing or pulling loads and providing ...Read More

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Style	Model	Base Mounting Hole Counter Bore Depth	Base Mounting Hole Counter Bore Dia.	Base Mounting Hole Pitch	Base To Advance Port	Capacity	Couplers	Cylinder Bore	Cylinder Effective Area Advance	Price (inc. GST)
A	RSM-50	0.17"	0.321"	1.12"	0.63"	5 ton.	AR400 Coupler	1.13"	0.99 sq. in.	SGD 848.00
B	RSM-100	0.31"	0.422"	1.44"	0.75"	10 ton.	CR400 Coupler	1.69"	2.24 sq. in.	SGD 1,209.83
C	RSM-300	0.44"	0.625"	2.06"	0.75"	30 ton.	CR400 Coupler	73.2mm	6.49 sq. in.	SGD 2,327.65

Working Mechanism

Hydraulic pressure is supplied to the hydraulic inlet port of Enerpac RSM low height hydraulic cylinder.
Then hydraulic pressure forces the piston to extend, enabling the cylinder to perform lifting or pushing tasks.
As the hydraulic pressure increases, it overcomes resistance and propels the piston forward, extending the cylinder.
These cylinders operate on a single-acting mechanism for utilising hydraulic pressure for extension and relying on a spring return mechanism for retraction.

Features

They feature steel construction with baked enamel finish for resisting corrosion and structural rigidity.
These low-profile hydraulic cylinders can withstand pressures up to 10000 psi.
They have mounting holes for easy fixturing and have a hard chrome-plated steel plunger for prolonged service life.
These hydraulic cylinders provide single-acting spring return action for eliminating the need for an additional hydraulic system or external source to retract the cylinder.
They further feature compact chassis for using them in tight spaces where other hydraulic cylinders can't reach, and selected models come with a handle for ease of portability and carrying.
These hydraulic cylinders are available in load-lifting capacities of 5, 10, 20, 30, 50, 75, 100 and 150 tons.

Compatible Accessories

Enerpac LW16 and LWC16: These lifting wedges are useful where the machine is to be lifted is resting on the ground and the lifting point is inaccessible for placing jacks.

Frequently Asked Questions

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