The FLEXWELL district heating cable (DHC) is a flexible, self-compensating steel casing pipe system. It is continuous and has a monitoring option for use in networks with high temperatures and operating pressures.
Operating temperature: -170°C to +150°C
Operating pressure: 16/25 bar
Dimensions: DN 25–150
Carrier pipe: Stainless steel
Exterior pipe: Stainless steel
Insulation: Polyurethane (PUR)
Laid using the horizontal directional drilling method or the traditional trench method.
Application: District heating, district cooling, service water, condensate.
Type | DN | Stainless steel inner pipe | External diameter | Min. bending radius | max. Delivery lengths* |
d1 x s2 | D | ||||
mm | mm | m | m | ||
FHK 30/91 | 25 | 30.0 x 0.3 | 94 | 1.0 | 1000 |
FHK 39/116 | 32 | 38.9 x 0.4 | 121 | 1.2 | 640 |
FHK 60/148 | 50 | 60.0 x 0.5 | 156 | 1.5 | 590 |
FHK 75/171 | 65 | 75.8 x 0.6 | 178 | 2.0 | 480 |
FHK 98/171 | 80 | 98.0 x 0.8 | 178 | 2.0 | 480 |
FHK 98/220 | 80 | 98.0 x 0.8 | 233 | 4.0 | 270 |
FHK 127/220 | 100 | 127.0 x 0.9 | 233 | 4.0 | 270 |
FHK 147/220 | 125 | 147.0 x 1.0 | 233 | 4.0 | 250 |
FHK 200/310 | 150 | 197.5 x 1.2 | 313 | 5.0 | 230 |