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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Description Price Locking & Holding Cylinder Material End Connector Material End Connector Extended Length Stroke Length Rod Diameter Piston Diameter Maximum Force Minimum Force
RS Stock No. 515-2229
Mfr. Part No.SWV1ECV100002
kr 905,29
1 Pair(s)
Pair(s)
Full Extension Lock Only Steel Steel, Zinc Ball & Socket Joint 665mm 300mm 23mm 10mm 1200N 150N
RS Stock No. 182-4734
Mfr. Part No.SSV1080800004
kr 657,16
1 Pair(s)
Pair(s)
Any Position Lock Steel Steel, Zinc Ball & Socket Joint 660mm 300mm 23mm 10mm 1200N 150N
RS Stock No. 202-2507
Mfr. Part No.SWV8ECV800003
kr 534,00
1 Pair(s)
Pair(s)
Full Extension Lock Only Steel Nylon, Steel Ball & Socket Joint 464mm 200mm 18mm 8mm 650N 100N
RS Stock No. 182-4655
Mfr. Part No.SSV6050500004
kr 509,86
1 Pair(s)
Pair(s)
Any Position Lock Steel Nylon, Steel Ball & Socket Joint 450mm 200mm 15mm 6mm 400N 50N
New
RS Stock No. 194-6518
Mfr. Part No.GS-B3-9048
kr 879,72
Each
Units
Any Position Lock Steel - - 165mm 50mm 23mm 8mm 600N 100N
RS Stock No. 182-4683
Mfr. Part No.SSY8060600005
kr 542,63
1 Pair(s)
Pair(s)
Any Position Lock Steel Nylon, Steel Ball & Socket Joint 464mm 200mm 18mm 8mm 650N 100N
RS Stock No. 253-324
Mfr. Part No.SXV4G6200275G6R
kr 2 955,22
1 Pair(s)
Pair(s)
- Stainless Steel Stainless Steel Ball & Socket Joint 480mm 200mm 28mm 14mm 2500N 200N
RS Stock No. 339-9022
Mfr. Part No.SXY8A6A600001
kr 1 006,73
1 Pair(s)
Pair(s)
- Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 264mm 100mm 18mm 8mm 650N 100N
New
RS Stock No. 194-6520
Mfr. Part No.GS-B3-9049
kr 923,14
Each
Units
Any Position Lock Steel - - 265mm 100mm 23mm 8mm 600N 100N
RS Stock No. 346-9581
Mfr. Part No.SXY1A8A800004
kr 1 389,71
1 Pair(s)
Pair(s)
- Stainless Steel Stainless Steel Ball & Socket Joint 645mm 300mm 23mm 10mm 1200N 150N
New
RS Stock No. 194-6527
Mfr. Part No.GS-B3-9056
kr 2 503,22
Each
Units
Any Position Lock Stainless Steel - - 365mm 150mm 28mm 10mm 1000N 150N
RS Stock No. 484-7213
Mfr. Part No.GS-D-7067
kr 787,76
1 Pair(s)
Pair(s)
Full Extension Lock Only Steel Nylon, Steel Ball & Socket Joint 680mm 300mm 28mm 14mm 2500N 200N
RS Stock No. 253-330
Mfr. Part No.SXV4101000009
kr 3 241,21
1 Pair(s)
Pair(s)
- Stainless Steel Stainless Steel Ball & Socket Joint 680mm 300mm 28mm 14mm 2500N 200N
RS Stock No. 686-985
Mfr. Part No.SWY8060600057
kr 520,55
1 Pair(s)
Pair(s)
- Steel Nylon, Steel Ball & Socket Joint, End Joint 464mm 200mm 18mm 8mm 650N 100N
RS Stock No. 339-9038
Mfr. Part No.SXY8A6A600003
kr 1 089,70
1 Pair(s)
Pair(s)
- Stainless Steel Nylon, Stainless Steel Ball & Socket Joint 364mm 150mm 18mm 8mm 650N 100N
RS Stock No. 687-017
Mfr. Part No.SWV1080800029
kr 655,71
1 Pair(s)
Pair(s)
- Steel Steel, Zinc Ball & Socket Joint, End Joint 645mm 300mm 23mm 10mm 1200N 150N
RS Stock No. 202-2490
Mfr. Part No.SWV8ECV800002
kr 486,18
1 Pair(s)
Pair(s)
Full Extension Lock Only Steel Nylon, Steel Ball & Socket Joint 364mm 150mm 18mm 8mm 650N 100N
New
RS Stock No. 194-6521
Mfr. Part No.GS-B3-9050
kr 968,50
Each
Units
Any Position Lock Steel - - 365mm 150mm 23mm 8mm 600N 100N
New
RS Stock No. 194-6523
Mfr. Part No.GS-B3-9052
kr 1 081,64
Each
Units
Any Position Lock Steel - - 265mm 100mm 28mm 10mm 1000N 150N
RS Stock No. 234-483
Mfr. Part No.SWV4101000021
kr 807,60
1 Pair(s)
Pair(s)
- Steel Steel Ball & Socket Joint, End Joint 1080mm 500mm 28mm 14mm 2500N 200N
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