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nozzles coolex ® a 311 is a 3-cone sealed cutting nozzle. the nozzle has a cylindrical cutting duct and six heating flames, except for the largest nozzle, 300–500 mm, which has nine heating flames. it is forged from a single piece of copper, which produces an even, turbulence-free flame. the smallest nozzle is known as a thin sheet metal nozzle, 1–3 mm, and is characterised by minimal heat spread and conse- quently little deformation of the workpiece. product benefits: → large cutting range – a series of eight cutting nozzles for material thicknesses from 1–500 mm → long service life thanks to the cooling flow to the cutting oxygen duct cutting data coolex ® a 311 acetylene heating oxygen cutting oxygen serial no. mm bar m 3 /h bar m 3 /h bar m 3 /h mm/min a 311-1 1 – 3 0,2 0,1 – – 0,5 – 2,5 1,3 max. 1,000
a 311-2 3 – 10 0,2 0,3 – – 1,0 – 2,5 1,6 950 – 430 a 311-3 10 – 25 0,2 0,4 – – 1,5 – 4,0 3,6 580 – 350 a 311-4 25 – 50 0,2 0,5 – – 1,5 – 4,0 6,8 500 – 300 a 311-5 50 – 100 0,2 0,7 – – 3,0 – 6,0 7,8 – 14,1 380 – 180 a 311-6 100 – 200 0,2 0,9 – – 5,0 – 8,0 15,8 – 23,9 280 – 120 a 311-7 200 – 300 0,3 – 0,8 1,2 – – 5,0 – 8,0 23,6 – 36,7 150 – 100 a 311-8 300 – 500 0,3 – 0,8 3,0 – – 7,0 – 12,0 43,1 – 68,3 100 – 50 nozzle sb pack - 1 pcs cleaning serial no. part no. heating duct cutting duct cleaning needle cleaning needle a 311-1 300640 206
000 160 / 300455 206 000 160 / 300455 a 311-2 300639 206 000 160 / 300455 206 000 160 / 300455 a 311-3 300643 206 000 160 / 300455 – a 311-4 300644 206 000 230 / 300456 206 000 450 / 300463 a 311-5 300645 206 000 315 / 300458 206 000 650 / 300466 a 311-6 300642 206 000 315 / 300458 206 001 100 / 300508 a 311-7 300641 206 000 315 / 300458 – a 311-8 300638 206 000 400 / 300467 – a 311-1 thin sheet metal a 311-3 premium nozzles for x 21. cutting nozzles, 3-cone sealed, for pressure torch. mechanised cutting torch: x 541 and corresponding older models manual cutting torch: x 11 pressure torch, x 21 and corresponding older models. coolex ® a 311 – acetylene.
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