Gravity Return Cylinders

Single-acting hydraulic cylinders designed for vertical applications where the load's weight provides the return stroke—simple, reliable, and cost-effective.

Engineered for Vertical Motion

Gravity return cylinders power the stroke in one direction while the return is achieved by the force of gravity or the load's own weight. With fewer internal components than spring-return designs, they offer high reliability, simple plumbing, and excellent value for vertical applications.

How They Work

Pressure Stroke

Hydraulic pressure drives the piston in the working direction (extend or retract).

Return Stroke

Load's weight (gravity) brings the cylinder back when pressure is released.

Vented Side

Unpressurized side is vented to atmosphere via a filtered breather.

Speed Control

Flow controls and counterbalance valves manage speed and prevent uncontrolled descent.

Gravity Return Cylinder
Product Configurations

Design Options

Configure gravity return cylinders for vertical lift, stable descent control, and durable performance in cost-sensitive applications.

Core Dimensions

Bore Size25–250 mm (customizable)
Stroke LengthUp to 2 m+ (application-dependent)
Pressure RatingMatch system pressure; high-pressure options available

Build & Interfaces

MountingFront/rear flange, clevis, trunnion, foot, threaded body
PortsNPT, BSPP, SAE straight thread (O-ring)
MaterialsCarbon steel with hard-chrome rod; stainless options; corrosion-resistant coatings

Performance Options

SealsNBR (standard); low-friction PTFE; FKM for high temp; low-temp elastomers
CushionsAdjustable end-of-stroke cushions available
SensingMagnetic piston with reed/solid-state switches; external LVDT; mechanical limit switches

Custom Engineering

We design and manufacture gravity return cylinders tailored to your specific requirements and applications.

Custom Engineering
  • Uncommon Strokes Side-load tolerant bearings and special coatings
  • Harsh Environment Seals Food-grade materials and washdown designs
  • Position Feedback Integrated sensing and multi-cylinder synchronization

Key Benefits

  • Simplicity: No return springs—fewer wear parts, lower maintenance
  • Higher usable force: Full bore area dedicated to the powered stroke
  • Cost-effective: Reduced components and plumbing
  • Robust: Handles heavy loads with appropriate valving

Operating Envelope

  • Pressure: Up to 210 bar (3,000 psi)
  • Speed: Up to 0.5 m/s (meter-out recommended)
  • Temperature: −20°C to +80°C with standard seals
  • Media: Mineral oil (HLP); water-glycol on request
  • Note: Return requires sufficient gravitational force

Industry Applications

Gravity return cylinders power critical vertical lifting operations across diverse industries

Lift Tables

Personnel platforms with proper safety circuits

Dump Systems

Dump bins, chutes, hoppers, and gates

Tooling Fixtures

Presses, forming jigs, and industrial fixtures

Conveyor Systems

Diverters, packaging tilters, and material handling

Agricultural

Construction attachments and farm equipment

Industrial Hoists

Vertical lifting and lowering applications

FAQs

Frequently Asked Questions

They're intended for vertical/slope applications where gravity aids return. Horizontal use requires very low friction and often won't return—choose double-acting instead.

Add counterweight, reduce seal friction, or switch to spring-return/double-acting.

Yes. The vented side must breathe freely through a filtered breather to protect seals and prevent pressure buildup.

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Technical Specs

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