Gas Struts

A gas strut, also known as a gas spring is a mechanical component that uses compressed nitrogen gas to force a precision rod attached to a piston back and forth within an enclosed metal cylinder. Gas struts are primarily designed as a direct support mechanism for safely lifting, positioning, lowering and counterbalancing different weights. For more information on how they work, you can consult our Gas Springs Guide.

How does a Gas Strut work?

A gas strut construction is very simple, it comprises of a precision rod attached to a piston and a central tubular body containing compressed nitrogen gas and lubricating oil. When force is applied to the protruding portion of the rod it presses onto the piston head a bit like a plunger on a syringe, compressing the nitrogen gas. This creates an internal pressure that exceeds the pressure outside of the cylinder closing the gas strut. When the force is removed from the external rod the gas is de-compressed and the pressure pushes the piston back out again, opening the gas strut.

Types of Gas Strut

Gas struts or gas springs are available as stop and stay or variable pressure with a steel or stainless steel body. Depending on application stroke length, extended length, minimum and maximum force ranges and end fittings must be taken into account.

Gas Strut sizes

Gas struts are usually referred to by their size, the most common are:

  • 6 mm rod diameter – 15 mm tube diameter. Range 50 - 400 N (11-90 lbs)
  • 8 mm rod diameter – 18 mm tube diameter. Range 100 - 650 N (22-146 lbs)
  • 10 mm rod diameter - 23 mm tube diameter. Range 150 – 1200 N (34-269 lbs)
  • 14 mm rod diameter – 28 mm tube diameter. Range 200 – 2500 N (45-562 lbs)

Gas struts are utilised in a wide range of applications. The most common use is for the gas spring is lifting and lowering of a car boot. Other areas include:

  • Boat access hatches
  • Cargo area on aeroplanes
  • boats
  • coaches
  • Office furniture and chairs
  • Skylights
  • Office chairs and furniture
  • Machine guards and Conveyor gates.

Larger gas struts are also used in industrial manufacturing such as tool pressing. The gas struts used in these areas have a force range capable of exerting up to forty tonnes.


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Omschrijving Prijs Locking & Holding Cylinder Material End Connector Material End Connector Extended Length Stroke Length Rod Diameter Piston Diameter Maximum Force Minimum Force
RS-stocknr. 182-4627
FabrikantnummerSSV6050500001
€ 55,02
1 Pair
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Any Position Lock Steel Nylon, Steel Ball & Socket Joint 170mm 60mm 15mm 6mm 400N 50N
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€ 56,44
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Any Position Lock Steel Nylon, Steel Ball & Socket Joint 250mm 100mm 15mm 6mm 400N 50N
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FabrikantnummerSWY8060600058
€ 52,38
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- Steel Nylon, Steel Ball & Socket Joint, End Joint 564mm 250mm 18mm 8mm 650N 100N
RS-stocknr. 686-941
FabrikantnummerSWV6050500035
€ 69,47
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- Steel Nylon, Steel Ball & Socket Joint, End Joint 240mm 100mm 15mm 6mm 400N 50N
RS-stocknr. 686-935
FabrikantnummerSWV6050500034
€ 59,47
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- Steel Nylon, Steel Ball & Socket Joint, End Joint 160mm 60mm 15mm 6mm 400N 50N
RS-stocknr. 346-9503
FabrikantnummerSXV6050500001
€ 77,80
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- Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 160mm 60mm 15mm 6mm 400N 50N
RS-stocknr. 687-017
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€ 91,26
1 Pair
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- Steel Steel, Zinc Ball & Socket Joint, End Joint 645mm 300mm 23mm 10mm 1200N 150N
RS-stocknr. 182-4699
FabrikantnummerSSY8060600006
€ 52,86
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Any Position Lock Steel Nylon, Steel Ball & Socket Joint 564mm 250mm 18mm 8mm 650N 100N
RS-stocknr. 234-483
FabrikantnummerSWV4101000021
€ 87,25
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- Steel Steel Ball & Socket Joint, End Joint 1080mm 500mm 28mm 14mm 2500N 200N
RS-stocknr. 202-2490
FabrikantnummerSWV8ECV800002
€ 52,53
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Full Extension Lock Only Steel Nylon, Steel Ball & Socket Joint 364mm 150mm 18mm 8mm 650N 100N
RS-stocknr. 339-9066
FabrikantnummerSXY8A6A600004
€ 129,65
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- Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 564mm 250mm 18mm 8mm 650N 100N
RS-stocknr. 339-9038
FabrikantnummerSXY8A6A600003
€ 94,20
1 Pair
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- Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 364mm 150mm 18mm 8mm 650N 100N
RS-stocknr. 346-9581
FabrikantnummerSXY1A8A800004
€ 153,15
1 Pair
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- Stainless Steel Stainless Steel Ball & Socket Joint 645mm 300mm 23mm 10mm 1200N 150N
RS-stocknr. 253-330
FabrikantnummerSXV4101000009
€ 334,47
1 Pair
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- Stainless Steel Stainless Steel Ball & Socket Joint 680mm 300mm 28mm 14mm 2500N 200N
RS-stocknr. 182-4683
FabrikantnummerSSY8060600005
€ 58,63
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Any Position Lock Steel Nylon, Steel Ball & Socket Joint 464mm 200mm 18mm 8mm 650N 100N
RS-stocknr. 346-9531
FabrikantnummerSXV6050500002
€ 104,13
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- Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 340mm 150mm 15mm 6mm 400N 50N
RS-stocknr. 484-7207
FabrikantnummerSWV8ECV800005
€ 60,28
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Full Extension Lock Only Steel Nylon, Steel Ball & Socket Joint 664mm 300mm 18mm 8mm 150N 100N
RS-stocknr. 346-9575
FabrikantnummerSXY1A8A800003
€ 144,91
1 Pair
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- Stainless Steel Stainless Steel Ball & Socket Joint 545mm 250mm 23mm 10mm 1200N 150N
RS-stocknr. 687-023
FabrikantnummerSWV4101000018
€ 93,54
1 Pair
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- Steel Steel Ball & Socket Joint, End Joint 480mm 200mm 28mm 14mm 2500N 200N
RS-stocknr. 182-4734
FabrikantnummerSSV1080800004
€ 71,01
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Any Position Lock Steel Steel, Zinc Ball & Socket Joint 660mm 300mm 23mm 10mm 1200N 150N
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