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减压孔板如何安装
减压孔板
2.5 5.0 2.5 5.0 5.0 10.0 10.0 15.0 20.0 15.0 20.0 25.0 30.0 20.0 25.0 30.0 40.0 12 61.9 64.4 14 32.4 129.8 34.2 137.0 138.7 16 18.4 73.5 19.7 78.9 80.3 18 11.0 44.1 12.1 48.3 49.4 20 6.9 27.6 7.8 31.0 31.9 127.6 131.5 22 4.5 17.9 5.2 20.7 21.4 85.5 88.8 24 3.0 11.9 3.5 14.2 14.8 59.1 61.9 139.3 26 8.1 10.0 10.5 42.0 44.3 99.7 103.2 28 5.6 7.2 7.6 30.4 32.4 73.0 129.8 76.0 135.0 30 3.9 5.3 5.6 22.5
减压孔板计算
孔径 管径 计算管径 流量 d(mm) D(mm) Dj(mm) L/s 50 150 159 30.0 49 150 159 30.0 48 150 159 30.0 47 150 159 30.0 46 150 159 30.0 45 150 159 30.0 50 150 159 30.0 51 150 159 30.0 52 150 159 30.0 53 150 159 30.0 消火栓孔板计算 54 150 159 30.0 55 150 159 30.0 消火栓型号 SN50 SN65 56 150 159 30.0 流量 2.5L/S 5L/S 57 150 159 30.0 12 65.76 58 150 159 30.0 14 34.56 59 150 159 30.0 16 19.66 83.61 60 150 159 30.0 18 11.85 51.13 61 1
