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ThermLine pressure pipes for cold local heating networks
Maximum safety!
FRANK ThermLine pressure pipes are designed for underground house connections and ring mains in cold local heating networks. Our high-quality ThermLine pipes and ThermLine Loop pipes are suitable for efficient heat transport due to their excellent thermal properties. In addition, they can be laid without a sand bed, are low in corrosion and incrustation and have an extremely long service life.
ThermLine loop
In order to save resources, the largest part - the core layer - of ThermLine loop pipes consists of pure PE 100 regranulate. We use new, high-quality PE 100-RC material for the thinner outer layer and the media-carrying inner layer.
| ThermLine | ThermLine Loop | |
|---|---|---|
| Identification | black with red/green stripes. (other markings on request) | black with red/green stripes. (other markings on request) |
| Material | PE 100-RC | Outer & inner layer made of PE 100-RC, core layer made of qualified regenerated material |
| Open laying with sanbed | yes | yes |
| Open laying without sandbed | yes | yes |
| Milling | yes | yes |
| Ploughing | yes | yes |
| Relining | yes | yes |
| Burst lining | with restrictions | with restrictions |
| Horizontal directional drilling (HDD) | yes | yes |
| Soil displacement hammer | yes | yes |
| Max. operating temperature | up to 50 °C | up to 50 °C |
| Restistance to slow crack growth | highest resistance | highest resistance |
| Connection | HS, HM, Unions, Clamped Joints, Push-Fit Fittings | HS, HM, Unions, Clamped Joints, Push-Fit Fittings |
| Productnorm | DIN 8074/8075 PAS 1075 (Typ I)) | in Anlehnung an DIN 8074/8075 in Anlehnung an PAS 1075 (Typ II) |
| Max. operting pressure SDR 11 (20°C, water, 100 years) | upt to 16 bar | upt to 16 bar |
| Lifetime | ≥ 100 years | ≥ 100 years |
| Dimension (OD) | da 25 - 400 mm | da 32 - 400 mm |
| SDR levels | SDR 7.4, 9, 11, 17 and 26 | SDR 11 and 17 |
| Delivery lenghts | 6 m, 12 m pipe sections | 6 m, 12 m pipe sections |
- good chemical resistance
- very good abrasion resistance
- increased resistance to slow crack growth
- physiologically harmless (suitable for drinking water)
- resistance to weathering and radiation
- low density of 0,96 g/cm3
- temperature resistant from - 40°C to 50°C (depending on the type of stress)
PE 100-RC (ThermLine) Full Notch Creep Test
With the Full Notch Creep Test the resistance to slow crack growth is tested. According to PAS 1075, the PE 100-RC molding compounds have to achieve a service life of 8760 hours, which is almost 30 times longer than that of PE 100.
Properties of pipes and fittings made of PE 100 RC:
- sand bed free installation
- very high flexibility, thus easy and quick installation
- low weight
- increased operating pressures
- cost-effective installation due to the use of electrofusion, butt and socket welding
- weldable and thus permanently tight (no root ingrowth possible)
- very extensive delivery program of pipes and fittings
- easy processing
- insensitive to pressure shocks
- corrosion-free
- low incrustation
- very good resistance to abrasion
- maintenance-free
- long service life (> 50 years)
- very high operational reliability
Made in Europe
Our ThermLine-RC and ThermLine-RC-Loop pipes are manufactured in Germany using the most modern production facilities and the highest quality materials. This ensures the consistently high quality and long service life of our products.
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