8 1 2015 BRG PREMANT district heating pipe PRE Subject to technical changes 6 356 Nominal width DN 20 25 32 40 50 65 80 100 125 150 200 250 300 Insulation thickness 1 Casing pipe mm 90 90 110 110 125 140 160 200 225 250 315 400 450 End cap Type 20 30 40 50 70 70 80 90 100 110 120 130 140 Insulation thickness 2 Casing pipe mm 110 110 125 125 140 160 180 225 250 280 355 450 500 End cap Type 20 40 50 50 70 80 80 90 100 110 120 130 140 Insulation thickness 3 Casing pipe mm 125 125 140 140 160 180 200 250 280 315 400 500 560 End cap Type 20 50 70 70 80 80 90 100 110 120 130 140 min 120 mm Shrink on closure Material Heat shrunk cross linked polyolefin Coated with sealing adhesive Important fitting note PREMANT shrink on closures must be pushed onto the end of the PREMANT district heating pipe before welding the inner pipes and must be protected against the action of heat during welding Monitoring box Shrink on closure end cap PREMANT shrink on closures protect the PUR insulation on the front of the PREMANT district heating pipes against splashing water in buildings and shafts The shrink on closure is not necessarily watertight in contact with water floo ding The shrink on closure also stops gas escaping from the PUR insulation at the end of the pipe Allocation of PREMANT dimensions to type of shrink on closure

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