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. 686-941
FabrikantnummerSWV6050500035
69,47 €
1 Pair
Pair(s)
- Steel Nylon, Steel Ball & Socket Joint, End Joint 240mm 100mm 15mm 6mm 400N 50N
RS-stocknr. 686-957
FabrikantnummerSWV6050500036
78,45 €
1 Pair
Pair(s)
- Steel Nylon, Steel Ball & Socket Joint, End Joint 340mm 150mm 15mm 6mm 400N 50N
RS-stocknr. 234-461
FabrikantnummerSWV1080800026
65,61 €
1 Pair
Pair(s)
- Steel Steel, Zinc Ball & Socket Joint, End Joint 545mm 250mm 23mm 10mm 1200N 150N
RS-stocknr. 686-935
FabrikantnummerSWV6050500034
59,47 €
1 Pair
Pair(s)
- Steel Nylon, Steel Ball & Socket Joint, End Joint 160mm 60mm 15mm 6mm 400N 50N
RS-stocknr. 484-7229
FabrikantnummerSXY8A6A600005
134,48 €
1 Pair
Pair(s)
None Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 664mm 300mm 18mm 8mm 650N 100N
RS-stocknr. 182-4699
FabrikantnummerSSY8060600006
52,86 €
1 Pair
Pair(s)
Any Position Lock Steel Nylon, Steel Ball & Socket Joint 564mm 250mm 18mm 8mm 650N 100N
RS-stocknr. 234-449
FabrikantnummerSWV6050500037
67,63 €
1 Pair
Pair(s)
- Steel Nylon, Steel Ball & Socket Joint, End Joint 440mm 200mm 15mm 6mm 400N 50N
RS-stocknr. 234-483
FabrikantnummerSWV4101000021
87,25 €
1 Pair
Pair(s)
- Steel Steel Ball & Socket Joint, End Joint 1080mm 500mm 28mm 14mm 2500N 200N
RS-stocknr. 182-4633
FabrikantnummerSSV6050500002
56,44 €
1 Pair
Pair(s)
Any Position Lock Steel Nylon, Steel Ball & Socket Joint 250mm 100mm 15mm 6mm 400N 50N
RS-stocknr. 686-991
FabrikantnummerSWY8060600058
52,38 €
1 Pair
Pair(s)
- Steel Nylon, Steel Ball & Socket Joint, End Joint 564mm 250mm 18mm 8mm 650N 100N
RS-stocknr. 687-045
FabrikantnummerSWV4101000020
97,12 €
1 Pair
Pair(s)
- Steel Steel Ball & Socket Joint, End Joint 880mm 400mm 28mm 14mm 2500N 200N
RS-stocknr. 234-455
FabrikantnummerSWV1080800027
74,61 €
1 Pair
Pair(s)
- Steel Steel, Zinc Ball & Socket Joint, End Joint 245mm 100mm 23mm 10mm 1200N 150N
RS-stocknr. 686-979
FabrikantnummerSWY8060600056
71,14 €
1 Pair
Pair(s)
- Steel Nylon, Steel Ball & Socket Joint, End Joint 364mm 150mm 18mm 8mm 650N 100N
RS-stocknr. 346-9503
FabrikantnummerSXV6050500001
77,80 €
1 Pair
Pair(s)
- Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 160mm 60mm 15mm 6mm 400N 50N
RS-stocknr. 182-4734
FabrikantnummerSSV1080800004
71,01 €
1 Pair
Pair(s)
Any Position Lock Steel Steel, Zinc Ball & Socket Joint 660mm 300mm 23mm 10mm 1200N 150N
RS-stocknr. 687-023
FabrikantnummerSWV4101000018
93,54 €
1 Pair
Pair(s)
- Steel Steel Ball & Socket Joint, End Joint 480mm 200mm 28mm 14mm 2500N 200N
RS-stocknr. 687-001
FabrikantnummerSWV1080800028
97,73 €
1 Pair
Pair(s)
- Steel Steel, Zinc Ball & Socket Joint, End Joint 445mm 200mm 23mm 10mm 1200N 150N
RS-stocknr. 202-2557
FabrikantnummerSWV4ECV400001
96,71 €
1 Pair
Pair(s)
Full Extension Lock Only Steel Steel Ball & Socket Joint 480mm 200mm 28mm 14mm 2500N 200N
RS-stocknr. 687-017
FabrikantnummerSWV1080800029
91,26 €
1 Pair
Pair(s)
- Steel Steel, Zinc Ball & Socket Joint, End Joint 645mm 300mm 23mm 10mm 1200N 150N
RS-stocknr. 182-4627
FabrikantnummerSSV6050500001
55,02 €
1 Pair
Pair(s)
Any Position Lock Steel Nylon, Steel Ball & Socket Joint 170mm 60mm 15mm 6mm 400N 50N
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