Heat shrink straight sleeves are designed for performing joints with a use of pre-foamed half-shells. They are produced for the preinsulated pipes from 90 mm to 560 mm of jacket diameters. PUR half-shells do not make a set with the sleeve. RADPOL can also provide extra pre-sized PUR half-shells for any carrier/jacket pipe combination.
The heat shrinkable sleeve is made of black high density radiation cross-linked polyethylene
Example of selection of radiation cross-linked heat-shrinkable sleeves for sizes of pre-insulated pipes with 150 mm steel pipe ends.
| Dimension of preinsulated pipe | Type of sleeve | Diameter [mm] |
Minimum sleeve length L [mm] |
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| Casing pipe | Carrier pipe DN | With adhesive and mastic | With adhesive | With mastic | Maximum inner diameter after entire recovery | Inner diameter D | |
| 90 | 20, 25 | TNP 90 | TNK 90 | TNM 90 | 77 | 105 | 650 |
| 110 | 32, 40 | TNP 110 | TNK 110 | TNM 110 | 90 | 128 | 650 |
| 125 | 50 | TNP 125 | TNK 125 | TNM 125 | 110 | 142 | 650 |
| 140 | 65 | TNP 140 | TNK 140 | TNM 140 | 125 | 156 | 650 |
| 160 | 80 | TNP 160 | TNK 160 | TNM 160 | 140 | 180 | 650 |
| 180 | 80 | TNP 180 | TNK 180 | TNM 180 | 140 | 200 | 650 |
| 200 | 100 | TNP 200 | TNK 200 | TNM 200 | 160 | 220 | 650 |
| 225 | 125 | TNP 225 | TNK 225 | TNM225 | 200 | 249 | 650 |
| 250 | 150 | TNP 250 | TNK 250 | TNM 250 | 225 | 278 | 650 |
| 280 | 150 | TNP 280 | TNK 280 | TNM 280 | 225 | 300 | 650 |
| 315 | 150 | TNP 315 | TNK 315 | TNM 315 | 250 | 340 | 650 |
| 355 | 200 | TNP 355 | TNK 355 | TNM 355 | 338 | 390 | 650 |
| 400 | 200 | TNP 400 | TNK 400 | TNM 400 | 338 | 430 | 650 |
| 450 | 250 | TNP 450 | TNK 450 | TNM 450 | 338 | 480 | 650 |
| 500 | 300 | TNP 500 | TNK 500 | TNM 500 | 400 | 540 | 750 |
| 560 | 450 | TNP 560 | TNK 560 | TNM 560 | 400 | 590 | 750 |
On request it is possible to make heat shrinkable sleeves with non-standard dimensions.
