Double Spring Square Locked Tube (DSSL)
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Bend-limiting tubes such as the Double Spring Square Locked tube (type DSSL) are specifically made for protecting large core optical fibers or fiber bundles.
The larger bending radius is achieved by inserting two stainless steel wires into the spiral valley of the conduit, which limits the bending characteristics of the tube. It also provides higher durability and robustness to the tube.
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Bend-limiting tubes such as the Double Spring Square Locked tube (type DSSL) are specifically made for protecting large core optical fibers or fiber bundles.
The larger bending radius is achieved by inserting two stainless steel wires into the spiral valley of the conduit, which limits the bending characteristics of the tube. It also provides higher durability and robustness to the tube.
Applications
- Protection for large bending radius optical fibers, such as quartz type and hollow fibers
- High Power fiber laser cables
Features
- Large bending radius
- Repeated bending
- Pliable and non-stretch
Tube Material
- Stainless steel (standard)
- Titanium
Sheathing Material
- Soft Polyvinyl-Chloride (PVC)
- Polyurethane (PUR)
- Olefin Elastomer
Standard delivery length
The small size tubes are delivered in standard length of ~ 20m. Check in the table below for a detailed information by tube diameter.
Special lengths
Special cut lengths and packaging can be offered upon request. Contact us for more information.
Specifications
Notes:
- ID = Inside Diameter
- OD = Outside Diameter
- DSSL-xxx = Double Spring Square Locked Tube WITHOUT sheathing
- DSSLP-xxx = Double Spring Square Locked Tube WITH PVC sheathing
- DSSLU-xxx = Double Spring Square Locked Tube WITH PUR sheathing
- Only some of the product variations are described in the table below
|
Standard types
|
With sheathing
|
Standard Length (m)
| ||||||
|---|---|---|---|---|---|---|---|---|
|
Model
|
ID
mm (± 0.2) |
OD
mm (± 0.2) |
Bend radius mm
(± 10) |
Weight (g/m)
|
Model
|
OD
mm (± 0.2) |
Weight (g/m)
| |
| DSSL-2.6N | 2.6 | 3.8 | 30 | 27 | DSSLP-2.6N DSSLU-2.6N |
4.8 | 40 | 20 |
| DSSL-3.0N | 3.0 | 4.6 | 30 | 33 | DSSLP-3.0N DSSLU-3.0N |
6.1 | 49 | 20 |
| DSSL-3.2N | 3.2 | 4.8 | 30 | 35 | DSSLP-3.2N DSSLU-3.2N |
6.3 | 51 | 20 |
| DSSL-3.5N | 3.5 | 5.0 | 35 | 37 | DSSLP-3.5N DSSLU-3.5N |
6.5 | 54 | 20 |
| DSSL-3.5N-XR75 | 3.5 | 5.0 | 75 | 37 | DSSLP-3.5N-XR75 DSSLU-3.5N-XR75 |
6.5 | 54 | 20 |
| DSSL-4.0N | 4.0 | 6.0 | 40 | 40 | DSSLP-4.0N DSSLU-4.0N |
7.0 | 59 | 20 |
| DSSL-5.0N | 5.0 | 7.0 | 50 | 52 | DSSLP-5.0N DSSLU-5.0N |
8.5 | 76 | 20 |
| DSSL-6.0N | 6.0 | 8.0 | 70 | 64 | DSSLP-6.0N DSSLU-6.0N |
9.2 | 94 | 20 |
| DSSL-7.0N | 7.0 | 9.0 | 60 | 68 | DSSLP-7.0N DSSLU-7.0N |
10.0 | 101 | 20 |
| DSSL-8.0N | 8.0 | 10.0 | 55 | 74 | DSSLP-8.0N DSSLU-8.0N |
11.4 | 106 | 20 |
Tube specification is subject to change without notice.