8 1 2015 BRG PREMANT district heating pipe PRE Subject to technical changes 6 360 Casing pipe diameter PE Ø R mm 90 110 125 140 160 180 200 225 250 280 315 355 400 450 500 Liner pipe Core bore Ø D mm 150 200 250 300 350 400 450 500 600 700 DR 1 2 3 R RD D 1 2 3 Ring seal Leak proof sealing against pressurized water for building entries Wall duct double seal leak proof for pressurized water Wall duct leak proof for non pressurized water 1 PREMANT district heating pipe 2 Sealing set single seal 3 Liner pipe made of fibre cement or coated core bore 1 PREMANT district heating pipe 2 Sealing set double seal 3 Liner pipe made of fibre cement or coated core bore Installation trench infill To avoid deformations at the sealing point it is especially important during installation and when filling the trench to ensure that no subse quent sinking of the pipe can occur We also recommend that the pipe is supported or suspended inside the building Tightness cannot be guaranteed unless these recommendations are followed Core bores Perfect bores are required for installation As hairline cracks may be present in the concrete or could be caused by processing it is advisable to seal the entire length of the borehole wall with suitable sealant such as AQUAGARD Tightness can only be guaranteed if this recommendation is fol lowed

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