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Silver metal gas lift cylinder, 11.4 inches compressed, 16.1 inches extended

BFKK

BFKK 4.7 inch Office Chair Gas Lift Cylinder office furniture

SKU CH-6857-P8X6V

Replaces worn office-chair cylinders with a 4.7 inch stroke, 11.4 to 16.1 inch range, 1000 Lbs capacity, SGS-tested and BIFMA-certified for 120000 cycles, and silent 360 rotation

  • TypeChair & Furniture Accessories
  • Adjustable 4.7-inch stroke from 11.4 to 16.1 inches
  • Universal fit for most office and salon chairs
  • Supports up to 1000 lbs for heavy-duty use
  • SGS tested and BIFMA certified for 120000 cycles
  • Silent 360-degree rotation with smooth pneumatic action

Replacement Gas Lift Cylinder

This 4.7 inch pneumatic piston replaces worn-out cylinders on office chairs, salon chairs, executive chairs, work chairs and rolling stools. It fits the universal mounting standard found on most seating, so installation requires no special tools or adapters.

Silent Operation And Durability

The cylinder rotates 360 degrees without noise, keeping the workspace quiet for colleagues. SGS testing and BIFMA certification confirm 120000 lift cycles, while thickened outer steel handles high pressure safely.

1000 Lbs Load Capacity

Maximum supported weight reaches 1000Lbs, far above ordinary office chair cylinders. Buyers needing a higher rating or a different stroke length will need another solution.

Highlights

  • Adjustable 4.7-inch stroke from 11.4 to 16.1 inches
  • Universal fit for most office and salon chairs
  • Supports up to 1000 lbs for heavy-duty use
  • SGS tested and BIFMA certified for 120000 cycles
  • Silent 360-degree rotation with smooth pneumatic action

Specifications

TypeChair & Furniture Accessories

Questions about this item

How do I install the 4.7 inch gas lift cylinder and what step is often missed?

Remove the old cylinder from the base and seat mechanism, then press the new unit into both tapered sockets until fully seated; the step often missed is verifying the 11.4 inch compressed and 16.1 inch extended lengths match the chair before final assembly.

What maintenance or replacement will this cylinder need after extended use?

The cylinder is rated for 120000 lift cycles under BIFMA testing; after this limit the internal seals may wear, requiring full cylinder replacement as no user-serviceable parts exist.

What limit appears first during sustained heavy use of this 1000Lbs rated cylinder?

The 120000 cycle durability rating is the first limit under frequent height adjustments; exceeding it risks seal fatigue and pressure loss before the structural 1000Lbs capacity is reached.

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