Preinsulated steel double-pipes in a PE casing

Preinsulated double pipes

Preinsulated steel double-pipes in a PEHD casing
Diameter of steel pipe: DN 20 – DN 150
Material of casing pipe: PEHD (polyethylene high density)
Isolation: foam of polyurethane with cyclopentane.
Operation temperature: up to +150°C
Advantages of double pipes compared to two single pipes:
Significantly lower heat loss
Till 50% less connecting couplers required
Significant reduction of expansions pads
Faster construction time