An internal spring returns the piston the moment pressure drops. Built for clamping, pressing and light automation.
Technical specifications
Spring Return Hydraulic Cylinders provide hydraulic force in one direction while a built-in mechanical spring automatically returns the piston to its original position when hydraulic pressure is released.
Unlike load return cylinders that depend on external forces for retraction, spring return cylinders carry their own return mechanism internally. This makes them ideal for applications where the cylinder may be mounted in any orientation — horizontal, vertical, or inverted — and a consistent, predictable return stroke is essential regardless of load direction.
KBR Engineers manufactures spring return cylinders with carefully selected spring rates matched to the application requirements. The springs are pre-loaded and housed within the cylinder barrel, ensuring smooth, controlled retraction every cycle. Each cylinder features precision-machined components, premium sealing systems, and undergoes thorough testing before shipment.
These cylinders are commonly used in clamping fixtures, pressing operations, punching machines, automated assembly systems, and any application requiring reliable automatic retraction in repetitive cycles.
Manufacturing Range
Product features
High Pressure
Rated up to 350 bar working pressure.
Precision Honed
H8 tolerance bore finish for even seal wear.
Pressure Tested
Every unit tested at 1.5× working pressure before dispatch.
Automatic Return
Internal spring retracts the piston the moment pressure drops.
Applications
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