8 1 2015 BRG PREMANT district heating pipe PRE Subject to technical changes Vent 6 322 h height of vent from axis of main pipe L length of main pipe Description Vents are pre insulated in the factory in the same way as the plastic casing pipe and they conform to EN448 The insula tion protection on the front of the vent nozzle is provided by a heat shrunk end cap The branch is made with a T piece to EN 10253 and welded on pipe cylinders or by extruding the base pipe The vent ball valve is manufactured from stainless steel 1 4301 and is supplied complete with plugs The inner thread corresponds to the nominal width of the vent All the exposed parts of the valve are made of stainless steel The nozzle height h and the nominal width can be changed at the customer s request L Main pipe DN 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 d mm 33 7 42 4 48 3 60 3 76 1 88 9 114 3 139 7 168 3 219 1 273 0 323 9 355 6 406 4 457 2 508 0 610 0 711 0 813 0 DS1 mm 90 110 110 125 140 160 200 225 250 315 400 450 500 560 630 710 800 900 1000 DS2 mm 110 125 125 140 160 180 225 250 280 355 450 500 560 630 670 800 900 1000 1100 DS3 mm 125 140 140 160 180 200 250 280 315 400 500 560 630 670 710 900 1000 1100 1200 Vent DN 25 25 25 25 32 32 32 40 40 40 50 50 50 50 50 50 50 50 50 D mm 90 90 90 90 110 110 110 110 110 110 125 125 125 125 125 125 125 125 125 h mm 650 650 660 660 670 680 690 700 720 740 840 860 880 900 930 1000 1050 1100 1150 L mm 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1200 1200 1200 Weight DS1 kg 5 3 6 6 7 1 8 2 10 6 11 9 15 6 18 9 23 5 32 6 47 5 59 8 66 5 82 9 94 4 107 8 139 6 176 9 216 8 DS2 kg 5 6 6 8 7 3 8 4 11 0 12 3 16 3 19 7 24 5 34 4 50 2 62 9 70 7 88 2 97 9 116 6 149 1 187 2 228 3 DS3 kg 5 8 7 1 7 5 8 7 11 3 12 8 17 0 20 7 25 9 36 7 53 3 67 1 76 0 91 7 101 4 126 0 159 4 198 7 241 3 h

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