1、GB/T22999-20084基本每数4.1常用喷射仰角旋转式单喷哦喷头基本参数应符合表1的规定；常用喷射仰角旋转式双喷嘴喷头基本参数应符合表2的规定。4.2裴1和表2中喷嘴直径一栏，对圆锥形喷嘴为出水口圆柱段的截面直径；对其他截面的喷嘴为当册直径，当量直径按GB/T19795.1一2005中附录A的规定计算。4.3当喷哦直径的数值与表1、表2所列数值不符时，可用内插法计算喷头流量和射程。表1常用喷射仰角旋转式单喷嘴喷头基本参数进水口喷头射程R/m喷嘴直径d/公称直径D/板定工作压力喷头流册Q/喷射仰角ammP(m37hmm20c2526-30念N1500.279.09.52000.319.3
2、9.82500.35、610.23000.3810.g10.51500.399.510.02000.459.810.33.02560.5110.110.63000.5610.511.01500.5310.010.5200N0.6210.310.83.52500.6910.611.13000,1511.011.52000.8110.5/11.52500.9010,811.8300-0.981.112.13501.0611.512.52001.0211612.52501.141.513.04.53001.2512.013.53501.3512.514.02000.8111.513.02500.9012.013.54.03000.9812.514.03501.0613.014.54001.1413.515.0152001.0212.013.52501.1412.514.04.53001.2513.014.53501.3513.515.04001.4414.015.5
