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Locking tubes
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A locking tube is used as a safety device in structures with gas springs. The locking tube stops the gas spring closing unexpectedly. This may be in the event of a gust of wind, distortion of the gas spring, a leaking gasket, increased load on the structure, etc.
Note: Locking tubes can only be used together with gas springs with threads.
The black version of the locking tube has been given an epoxy powder coating. This provides a degree of rust protection.
If you need to use a locking tube in a wet or damp environment, however, we recommend that you use the stainless steel version.
Used in constructions that are exposed to harsh cleaning agents or in maritime environments
The piston rod of the gas spring must be inserted into the locking tube and the thread must pass through the hole in the end of the locking tube. You can tilt the plate at the bottom so that it is easier to get the thread through. Then screw the end-fitting on. The tilt function will always try to make the tube strike against the piston rod and so prevent the gas spring from closing unexpectedly, as the cylinder will strike the edge of the locking tube and the movement will be stopped. Before closing the door – i.e. before the gas spring can be compressed – the locking tube must be released by pushing it out of the piston rod so that the cylinder can move freely into the locking tube.
42-70023-description
Stainless steel 304
42-70024-description
Stainless steel 316
42-70021-description
Black painted steel
| View prices - Add to Cart | Material | Ø1 Fits rod size (mm) |
Ø2 Fits cylinder (mm) |
L1 Fits stroke length (mm) |
SKU | Stock | Tech Drawing | Read More | 3D CAD | |
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| Black painted steel | 6.00 | 15.00 | 80.00 | LTN-6-80 |
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| Black painted steel | 6.00 | 15.00 | 100.00 | LTN-6-100 |
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| Black painted steel | 6.00 | 15.00 | 150.00 | LTN-6-150 |
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| Black painted steel | 6.00 | 15.00 | 200.00 | LTN-6-200 |
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| Black painted steel | 8.00 | 18.00 | 100.00 | LTN-8-100 |
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| Stainless steel 316 | 8.00 | 18.00 | 100.00 | LTX-8-100-316 |
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| Stainless steel 316 | 8.00 | 18.00 | 140.00 | LTX-8-140-316 |
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| Black painted steel | 8.00 | 18.00 | 150.00 | LTN-8-150 |
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| Stainless steel 316 | 8.00 | 18.00 | 150.00 | LTX-8-150-316 |
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| Stainless steel 316 | 8.00 | 18.00 | 200.00 | LTX-8-200-316 |
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- LTN-6-80In stock: 113
Material Black painted steelØ1 - Fits rod size (mm) 6.00Ø2 - Fits cylinder (mm) 15.00L1 - Fits stroke length (mm) 80.00
- LTN-6-100In stock: 91
Material Black painted steelØ1 - Fits rod size (mm) 6.00Ø2 - Fits cylinder (mm) 15.00L1 - Fits stroke length (mm) 100.00
- LTN-6-150In stock: 89
Material Black painted steelØ1 - Fits rod size (mm) 6.00Ø2 - Fits cylinder (mm) 15.00L1 - Fits stroke length (mm) 150.00
- LTN-6-200In stock: 83
Material Black painted steelØ1 - Fits rod size (mm) 6.00Ø2 - Fits cylinder (mm) 15.00L1 - Fits stroke length (mm) 200.00
- LTN-8-100In stock: 87
Material Black painted steelØ1 - Fits rod size (mm) 8.00Ø2 - Fits cylinder (mm) 18.00L1 - Fits stroke length (mm) 100.00
- LTX-8-100-316In stock: 38
Material Stainless steel 316Ø1 - Fits rod size (mm) 8.00Ø2 - Fits cylinder (mm) 18.00L1 - Fits stroke length (mm) 100.00
- LTX-8-140-316In stock: 137
Material Stainless steel 316Ø1 - Fits rod size (mm) 8.00Ø2 - Fits cylinder (mm) 18.00L1 - Fits stroke length (mm) 140.00
- LTN-8-150In stock: 99
Material Black painted steelØ1 - Fits rod size (mm) 8.00Ø2 - Fits cylinder (mm) 18.00L1 - Fits stroke length (mm) 150.00
- LTX-8-150-316In stock: 23
Material Stainless steel 316Ø1 - Fits rod size (mm) 8.00Ø2 - Fits cylinder (mm) 18.00L1 - Fits stroke length (mm) 150.00
- LTX-8-200-316In stock: 24
Material Stainless steel 316Ø1 - Fits rod size (mm) 8.00Ø2 - Fits cylinder (mm) 18.00L1 - Fits stroke length (mm) 200.00
Black steel
The black version is epoxy powder coated and thus resistant to corrosion.
Stainless Steel - AISI 304
If you need to use a locking tube in a wet or damp environment, however, we recommend that you use the stainless steel version.
Stainless steel - AISI 316
Used in constructions that are exposed to harsh cleaning agents or in maritime environments
The locking tube ensures that external elements such as wind, collisions, impacts, etc. do not cause a gate, for example, to close accidentally, risking injury to people or damage to property.
The function of the locking tube is easily neutralised with just one push.
- When fitting the locking tube onto the gas spring it can be difficult to get the thread on the piston through the end piece of the locking tube. This is because of the spring-loaded end piece, which flips to the side to ensure correct spring function once.
- This is because of the spring-loaded end piece, which flips to the side to ensure correct spring function once.
- Press on the highest point of the end piece, and at the same time guide the piston through the hole in the end piece. Gas springs with a 6 mm piston are screwed into the end piece.
- The locking tube has now been fitted correctly, and the end fitting can be put on.