12 Application technology Liquid throughput of showers, nozzles Operating pressure p measured at nozzle or fitting Designation Item no. Flow rate (l/ min) 1.5 bar 2 bar 3 bar 4 bar 6 bar 8 bar Showers 55.5000.9 70.4 81.3 99.6 115 140.8 162.6 55.5001.9 70.4 81.3 99.6 115 140.8 162.6 55.5050.9 70.4 81.3 99.6 115 140.8 162.6 55.5051.9 70.4 81.3 99.36 115 140.8 162.6 55.5150.9 70.4 81.3 99.6 115 140.8 162.6 55.6050.9, 50.7922.9 70.4 81.3 99.6 115 140.8 162.6 55.0010.9 70.4 81.3 99.6 115 140.8 162.6 55.4500.9 56.2 64.9 79.4 91.7 112.3 129.7 55.4501.9 27.6 31.8 39 45 55.1 63.7 55.2540.9 41.8 48.3 59.1 68.3 78.9 96.6 50.6169.9 38.8 44.8 54.8 63.3 77.5 73.1 50.6399.9, 50.7399.9 62.2 71.9 88.0 101.7 124.5 143.7 50.6397.9, 50.7397.9 68.4 79.0 96.7 111.7 136.8 158.0 Acorn duster 55.4892 0.71 0.82 1 1.16 1.42 1.64 Determination of nominal width and flow rate in water hoses and pipes Hose or pipe nominal widths inner width DN (mm) max. flow rate, water Pipes Water hoses l/min. m3/h 1/4" 8 6 8 0.48 3/8" 12 10 12 0.72 1/2" 15 13 20 1.20 3/4" 20 19 48 2.88 1" 25 25 76 4.56 1¼" 32 - 124 7.44 1½" 40 - 190 11.40 2" 50 - 295 17.70 2½" 63 - 490 29.40 3" 75 - 760 45.60 Assumption: Circular cross-section 224 GEKA® Main Catalogue
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