8 1 2015 BRG PREMANT district heating pipe PRE Subject to technical changes Ball valve with 1 vents 6 333 Main pipe Wrench size Draining venting valve Nominal Steel Insulation Insulation Insulation Nominal Nominal width pipe thickness 1 thickness 2 thickness 3 length width DN d D D D L WS h DN Da a h mm mm mm mm mm mm mm mm mm mm 25 33 7 90 110 125 1500 19 540 25 90 320 350 32 42 4 110 125 140 1500 19 550 25 90 320 350 40 48 3 110 125 140 1500 19 560 25 90 320 360 50 60 3 125 140 160 1500 19 560 25 90 320 360 65 76 1 140 160 180 1500 19 570 32 110 320 370 80 88 9 160 180 200 1500 19 580 32 110 320 380 100 114 3 200 225 250 1500 27 580 32 110 320 390 125 139 7 225 250 280 1500 27 600 40 110 320 500 150 168 3 250 280 315 1500 27 620 40 110 320 510 200 219 1 315 355 400 1500 50 580 40 110 320 540 250 273 0 400 450 500 1750 50 610 50 125 400 580 300 323 9 450 500 560 1810 50 660 50 125 500 610 The dimensioning of the venting fitting can be freely selected Instructions on installation operation and maintenance as per sheet PRE 6 325 For accessories see sheet PRE 6 335 a Da h D d L SW 150

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