1、GB 5670.185 本标准适用于各种灌溉用的常用喷射仰角旋转式喷头。 本标准参照采用国际标准ISO/DIS 7749/11983灌溉设备一旋转式喷头第一部分 设计与运行要求。 1 喷头型式与型号 1.1 型式 旋转式喷头的型式按驱动机构的特点分类和命名。如摇臂式、叶轮式、挡片式等。 1.2 型号 旋转式喷头的型号由五部分组成,其意义如下： 示例： 进水口公称直径为15mm的双喷嘴摇臂式喷头： 15PY2进水口公称直径为50mm、装有换向机构的双喷嘴叶轮式喷头： 50PL2H进水口公称直径为40mm的单喷嘴垂直摇臂式喷头： 40PYC 2 基本参数 2.1 常用喷射仰角旋转式喷头的基本参数应
2、符合表1和表2中所列数值。 附加机构的名称代号，用大写汉语拼音字母表示喷嘴数（单嘴喷头可以省略）型式代号：Y表示摇臂式，L表示叶轮式，D表示挡片式喷头喷头进水口公称直径，mm页码，1/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm 2.2 表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量直径。当量直径用下式计算： 2.3 当喷嘴直径的数值与表1、表2所列数值不等时,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嘴喷头基本参数 式中: d喷嘴当量直径,mm；Q喷头实
3、测流量,m3/h；p 喷头的工作压力,bar。进水口公称 直径 D mm喷嘴直径 d mm额定工作压力p bar 喷头流量 Q m3/h喷头射程 R m 喷射仰角 2025 2630102.51.50 2.00 2.50 3.000.27 0.31 0.35 0.389.0 9.3 9.6 10.09.5 9.8 10.2 10.53.01.50 2.00 2.50 3.000.39 0.45 0.51 0.569.5 9.8 10.1 10.510.0 10.3 10.6 11.03.51.50 2.00 2.50 3.000.53 0.62 0.69 0.7510.0 10.3 10.6
4、11.010.5 10.8 11.1 11.54.02.00 2.50 3.00 3.500.81 0.90 0.98 1.0610.5 10.8 11.1 11.511.5 11.8 12.1 12.54.52.00 2.50 3.00 3.501.02 1.14 1.25 1.3511.0 11.5 12.0 12.512.5 13.0 13.5 14.04.02.00 2.50 3.00 3.50 4.000.81 0.90 0.98 1.06 1.1411.5 12.0 12.5 13.0 13.513.0 13.5 14.0 14.5 15.0页码，2/10GB 5670.18520
5、06-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm154.52.00 2.50 3.00 3.50 4.001.02 1.14 1.25 1.35 1.4412.0 12.5 13.0 13.5 14.013.5 14.0 14.5 15.0 15.55.02.00 2.50 3.00 3.50 4.001.26 1.40 1.54 1.66 1.7813.5 14.0 14.5 15.0 15.514.5 15.0 15.5 16.2 17.05.52.00 2.50 3.00 3.50 4.001.52 1.70 1.86 2.01 2.151
6、4.0 14.8 15.5 16.0 16.515.0 15.8 16.5 17.0 17.56.02.00 2.50 3.00 3.50 4.001.81 2.02 2.22 2.40 2.5614.5 15.5 16.5 17.0 17.515.5 16.5 17.5 18.0 18.5206.02.50 3.00 3.50 4.00 4.502.02 2.22 2.40 2.56 2.7216.0 17.0 17.5 18.0 18.517.0 18.0 18.5 19.0 19.56.52.50 3.00 3.50 4.00 4.502.38 2.60 2.81 3.01 3.1916
7、.5 17.5 18.0 18.5 19.017.5 18.5 19.0 19.5 20.07.02.50 3.00 3.50 4.00 4.502.76 3.02 3.26 3.49 3.7017.0 18.0 18.5 19.5 20.018.0 19.0 19.5 20.5 21.07.52.50 3.00 3.50 4.00 4.503.17 3.47 3.75 4.00 4.2517.5 18.5 19.0 20.0 20.518.5 19.5 20.0 21.0 21.58.02.50 3.00 3.50 4.00 4.503.60 3.95 4.26 4.56 4.8418.0
8、19.0 20.0 21.0 21.519.0 20.0 21.0 22.0 22.58.52.50 3.00 3.50 4.00 4.504.27 4.46 4.81 5.15 5.4618.5 19.5 20.5 21.0 22.019.5 20.5 21.5 22.5 23.02.50 4.56 19.0 20.0 页码，3/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm9.03.00 3.50 4.00 4.505.00 5.40 5.77 6.1221.0 21.5 22.0 22.522.0 23.0
9、23.5 24.0309.03.00 3.50 4.00 4.50 5.005.00 5.40 5.77 6.12 6.4521.0 22.0 22.5 23.0 23.522.5 23.5 24.0 24.5 25.09.53.00 3.50 4.00 4.50 5.005.57 6.01 6.43 6.82 7.1921.5 22.5 23.0 23.5 24.023.0 24.0 24.5 25.0 25.510.03.00 3.50 4.00 4.50 5.006.17 6.66 7.12 7.56 7.9722.0 23.0 24.0 24.5 25.023.5 24.5 25.5
10、26.0 26.510.53.00 3.50 4.00 4.50 5.006.80 7.35 7.86 8.33 8.7822.5 23.5 24.5 25.0 25.524.0 25.0 26.0 26.5 27.011.03.00 3.50 4.00 4.50 5.007.47 8.06 8.62 9.15 9.6423.0 24.0 25.5 26.5 27.524.5 25.5 27.0 28.0 29.011.53.00 3.50 4.00 4.50 5.008.16 8,81 9.42 10.00 10.5423.5 24.5 26.0 27.0 28.025.0 26.0 27.
11、5 28.5 29.512.03.00 3.50 4.00 4.50 5.008.89 9.60 10.26 10.88 11.4724.0 25.5 26.5 27.5 28.525.5 27.0 28.0 29.0 30.012.03.50 4.00 4.50 5.00 5.509.60 10.26 10.88 11.47 12.0326.0 27.0 28.0 29.0 29.527.5 28.5 29.5 30.5 31.013.03.50 4.00 4.50 5.00 5.5011.27 12.04 12.77 13.47 14.1226.5 27.5 28.5 29.5 30.02
12、8.0 29.0 30.0 31.0 31.53.50 4.00 13.06 13.97 28.0 29.5 29.5 31.0 页码，4/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm4014.04.50 5.00 5.5014.82 15.62 16.3830.0 31.0 32.032.0 33.0 34.015.03.50 4.00 4.50 5.00 5.5015.00 16.04 17.01 17.93 18.8028.5 29.5 31.0 32.0 33.030.5 31.5 33.0 34.0 3
13、5.016.03.50 4.00 4.50 5.00 5.5017.07 18.25 19.35 20.40 21.4029.5 30.5 32.0 34.5 36.031.5 32.5 34.0 36.5 38.05016.04.00 4.50 5.00 5.50 6.0018.25 19.35 20.40 21.40 22.3532.0 35.0 35.0 36.5 37.534.0 35.5 37.0 38.5 39.517.04.00 4.50 5.00 5.50 6.0020.60 21.85 23.03 24.15 25.2333.5 35.0 36.5 37.5 38.535.5
14、 37.0 38.5 39.5 40.518.04.00 4.50 5.00 5.50 6.0023.09 24.49 25.82 27.08 28.2834.5 36.0 37.5 38.5 39.536.5 38.0 39.5 40.5 41.519.04.00 4.50 5.00 5.50 6.0025.73 27.29 28.77 30.17 31.5135.5 37.0 38.5 39.5 40.037.5 39.0 40.5 41.5 42.520.04.00 4.50 5.00 5.50 6.0028.51 30.24 31.88 33.43 34.9236.5 38.0 39.
15、5 40.0 41.038.5 40.0 41.5 42.5 43.56020.05.00 5.50 6.00 6.50 7.0031.88 33.43 34.92 36.35 37.7240.0 41.5 43.0 44.0 45.542.5 44.0 45.5 46.5 48.022.05.00 5.50 6.00 6.50 7.0038.57 40.45 42.25 43.98 45.6441.5 43.5 45.0 46.5 48.544.0 46.0 47.5 49.0 51.024.05.00 5.50 6.00 45.90 48.15 50.29 44.0 45.5 48.0 4
16、6.5 48.0 50.0 页码，5/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm表 2 常用喷射仰角旋转式双嘴喷头基本参数 6.50 7.0052.34 54.3249.0 50.051.5 53.026.05.00 5.50 6.00 6.50 7.0053.87 56.50 59.02 61.43 63.7545.5 47.5 49.0 50.0 51.048.0 50.0 52.0 53.0 54.08026.07.00 6.60 7.00 7.50 8.0059.02 61.43 63.75 65.98
17、 68.1549.0 50.0 51.5 54.0 56.051.5 53.0 54.5 57.0 59.028.06.00 6.50 7.00 7.50 8.0068.45 71.24 73.93 76.52 79.0450.0 51.5 53.0 54.5 56.553.0 54.5 56.0 57.5 59.530.06.00 6.50 7.00 7.50 8.0078.57 81.78 84.87 87.85 90.7351.5 53.0 54.0 55.5 57.054.5 56.0 57.0 58.5 60.032.06.00 6.50 7.00 7.50 8.0089.40 93
18、.05 96.56 99.95 103.2353.0 55.0 57.5 58.0 60.056.0 58.5 60.5 61.5 63.534.06.00 6.50 7.00 7.50 8.00100.93 105.05 109.01 112.84 116.5455.0 58.0 60.5 62.5 64.558.0 61.0 64.0 66.0 68.0进水口公称 直径 D mm喷嘴直径 d主d副 mm额定工作压力p bar喷头流量 Q m3/h喷头射程 R m 喷射仰角 2025 26302.52.01.50 2.00 2.50 3.000.44 0.51 0.57 0.629.0 9.
19、3 9.6 10.09.5 9.8 10.2 10.53.02.01.50 2.00 0.56 0.65 9.5 9.8 10.0 10.3 页码，6/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm102.50 3.000.73 0.8010.1 10.510.6 11.03.52.01.50 2.00 2.50 3.000.70 0.82 0.91 0.9910.0 10.3 10.6 11.010.5 10.8 11.1 11.54.02.51.50 2.00 2.50 3.001.12 1.25 1.36 1
20、.4710.5 10.8 11.1 11.511.5 11.8 12.1 12.54.52.51.50 2.00 2.50 3.001.33 1.49 1.63 1.7611.0 11.5 12.0 13.512.5 13.0 13.5 14.0154.02.52.00 2.50 3.00 3.50 4.001.12 1.25 1.37 1.48 1.5811.5 12.0 12.5 13.0 13.513.0 13.5 14.0 14.5 15.04.52.52.00 2.50 3.00 3.50 4.001.33 1.49 1.63 1.76 1.8912.0 12.5 13.0 13.5
21、 14.013.5 14.0 14.5 15.0 15.55.03.02.00 2.50 3.00 3.50 4.001.71 1.91 2.10 2.26 2.4213.5 14.0 14.5 15.0 15.514.5 15.0 15.5 16.2 17.05.53.02.00 2.50 3.00 3.50 4.001.97 2.21 2.42 2.61 2.7914.0 14.8 15.5 16.0 16.515.0 15.8 16.5 17.0 17.56.03.02.00 2.50 3.00 3.50 4.002.26 2.53 2.77 3.00 3.2014.5 15.5 16.
22、5 17.0 17.515.5 16.5 17.5 18.0 18.56.03.02.50 3.00 3.50 4.00 4.502.53 2.77 3.00 3.20 3.4016.0 17.0 17.5 18.0 18.517.0 18.0 18.5 19.0 19.56.53.02.50 3.00 3.50 4.00 4.502.88 3.16 3.41 3.65 3.8716.5 17.5 18.0 18.5 19.017.5 18.5 19.0 19.5 20.02.50 3.45 17.0 18.0 页码，7/10GB 5670.1852006-3-29file:/C:Inetpu
23、bwwwrootdatagbdD5670A0A.htm207.03.53.00 3.50 4.00 4.503.78 4.08 4.36 4.6318.0 18.5 19.5 20.019.0 19.5 20.5 21.07.04.02.50 3.00 3.50 4.00 4.503.66 4.01 4.33 4.63 4.9117.0 18.0 18.5 19.5 20.018.0 19.0 19.5 20.5 21.07.53.52.50 3.00 3.50 4.00 4.503.86 4.22 4.56 4.88 5.1817.5 18.5 19.0 20.0 20.518.5 19.5
24、 20.0 21.0 21.57.54.02.50 3.00 3.50 4.00 4.504.07 4.46 4.81 5.15 5.4617.5 18.5 19.0 20.0 20.518.5 19.5 20.0 21.0 21.58.03.52.50 3.00 3.50 4.00 4.504.29 4.70 5.08 5.43 5.7618.0 19.0 20.0 21.0 21.519.0 20.0 21.0 22.0 22.58.04.02.50 3.00 3.50 4.00 4.504.50 4.93 5.33 5.70 6.0418.0 19.0 20.0 21.0 21.519.
25、0 20.0 21.0 22.0 22.58.54.02.50 3.00 3.50 4.00 4.504.97 5.44 5.83 6.29 6.6718.5 19.5 20.5 21.0 22.019.5 20.5 21.5 22.5 23.09.04.02.50 3.00 3.50 4.00 4.505.46 5.98 6.46 6.91 7.3319.0 21.0 21.5 22.0 22.520.0 22.0 23.0 23.5 24.09.04.03.00 3.50 4.00 4.50 5.005.98 6.46 6.91 7.33 7.7321.0 22.0 22.5 23.0 2
26、3.522.5 23.5 24.0 24.5 25.09.54.03.00 3.50 4.00 4.50 5.006.55 7.08 7.57 8.03 8.4621.5 22.5 23.0 23.5 24.023.0 24.0 24.5 25.0 25.53.00 3.50 7.16 7.73 22.0 23.0 23.5 24.5 页码，8/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm3010.04.04.00 4.50 5.008.27 8.77 9.2424.0 24.5 25.025.5 26.0 26
27、.510.04.53.00 3.50 4.00 4.50 5.007.42 8.01 8.57 9.09 9.5822.0 23.0 24.0 24.5 25.023.5 24.5 25.5 26.0 26.510.05.03.00 3.50 4.00 4.50 5.007.71 8.33 8.91 9.45 9.9622.0 23.0 24.0 24.5 25.023.5 24.5 25.5 26.0 26.510.54.53.00 3.50 4.00 4.50 5.008.05 8.70 9.30 9.86 10.4022.5 23.5 24.5 25.0 25.524.0 25.0 26
28、.0 26.5 27.010.55.03.00 3.50 4.00 4.50 5.008.35 9.01 9.64 10.21 10.7822.5 23.5 24.5 25.0 25.524.0 25.0 26.0 26.5 27.011.05.03.00 3.50 4.00 4.50 5.009.01 9.73 10.40 11.40 11.6323.0 24.0 25.5 26.5 27.524.5 25.5 27.0 28.0 29.011.55.03.00 3.50 4.00 4.50 5.009.70 10.48 11.21 11.89 12.5323.5 24.5 26.0 27.
29、0 28.025.0 26.0 27.5 28.5 29.512.05.03.00 3.50 4.00 4.50 5.0010.43 11.27 12.04 12.77 13.4724.0 25.5 26.5 27.5 28.525.5 27.0 28.0 29.0 30.012.05.03.50 4.00 4.50 5.00 5.5011.27 12.04 12.77 13.47 14.1226.0 27.0 28.0 29.0 29.527.5 28.5 29.5 30.5 31.013.05.03.50 4.00 4.50 5.00 5.5012.93 13.83 14.66 15.46
30、 16.2126.5 27.5 28.5 29.5 30.028.0 29.0 30.0 31.0 31.514.06.03.50 4.00 4.50 15.47 16.53 17.54 28.0 29.5 30.0 29.5 31.0 32.0 页码，9/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm 40 5.00 5.5018.49 19.3931.0 32.033.0 34.015.06.03.50 4.00 4.50 5.00 5.5017.40 18.60 19.73 20.80 21.8128.5 29.5 31.0 32.0 33.030.5 31.5 33.0 34.0 35.016.06.03.50 4.00 4.50 5.00 5.5019.47 20.81 22.07 23.27 24.4029.5 30.5 32.0 34.5 36.031.5 32.5 34.0 36.5 38.0页码，10/10GB 5670.1852006-3-29file:/C:InetpubwwwrootdatagbdD5670A0A.htm
