喷滴灌设计水力计算表

1、(哈森威廉公式管道沿程水头损失计算 管 材 种 类C PVC 塑料管(PVC ,PE 15020石棉水泥管、新钢管13025镀锌钢管、锦塑软管、涂釉缸瓦管12032半旧钢管、铸铁管1104040/2.036旧钢管、旧铸铁管、离心浇注混凝土管1005050/2.046普通混凝土管906363/2.0597575/2.370.49090/2.884.4110110/3.4103.2125125/3.1118.8125/3.9140140/4.3131.4160160/4.9150.2200200/6.2187.6250250/7.7234.6PE66/0.588/0.61010/0.5910/0.

2、81212/0.610.812/0.91616/0.814.416/1.22020/1.01820/1.52525/1.222.625/1.93232/1.628.832/2.44040/1.936.240/3.05050/2.445.250/3.76363/3.05763/4.77575/3.667.875/5.59090/4.381.490/6.6薄 壁mm in 公 称允 许 偏尺 寸0.63MPa 0.8MP 公 称 直 径外 径(mm0.25MPa 0.4MP61/810.0±0.281/413.5±0.2103/817.0±0.2151/221.3&#

3、177;0.2203/426.8±0.2525133.5±0.3321 1/442.3±0.3401 1/248.0±0.350260.0±0.3652 1/275.5±0.480388.5±0.41004114.0±0.451255140.0±0.451506165.0±0.5mmin 尺 寸20/2.01620/2.315.425/2.02125/2.819.432/1.628.832/2.427.240/3.03450/3.04463/3.05763/3.855.475/3.667.890

4、/4.381.490/5.479.2110/5.399.4110/6.696.8117.2125/4.8115.4140/6.7126.6160/7.7144.6200/9.6180.8250/11.9226.256.88.410.213.61721.227.23442.653.66476.8理 论出厂理 论出厂公称允许质 量单价公称允许质 量单价尺寸偏差尺寸偏差壁 厚中和厚(kg/m(元/m (kg/m(元/m 偏 差壁 厚.8MPa 流体输送用镀锌焊接钢管规格YB (T 2987mm 薄 壁 钢 管 普 通 钢 管.4MPa1.0MPa 1.25MPa1.6MPa2.5MPa中和厚

5、77;0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.4 ±0.4 ±0.4 ±0.5 ±0.6 ±0.7 ±0.8 ±0.9 ±1.0 (mm 1.8 1.8 1.8 2.0 2.35 2.65 2.65 2.90 2.90 3.25 3.25 3.65 (% (kg/m 0.3640 0.5193 0.6747 0.9519 1.4169 2.0160 2.5911 3.2253 4.0834 5.7905 6.8324 9.9325 (元/m ±

6、;8 2.90 4.32 6.05 7.77 9.35 11.84 16.79 19.81 27.81 (mm 2.0 2.25 2.25 2.75 2.75 3.25 3.25 3.50 3.50 3.75 4.00 4.00 4.50 4.50 (% (kg/m 0.3946 0.6242 0.8184 1.2580 1.6310 2.4244 3.1297 3.8408 4.8765 6.6351 8.3351 10.8504 15.0364 17.8106 (元/m ±10 3.84 4.97 7.27 9.39 11.14 14.14 19.24 24.17 30.38 42.10 49.87 壁 公称 尺寸 加 厚 钢 管 理 论 厚 质 量 允许 偏差 (kg/m 出厂 单价 (元/m (mm 2.5 2.75 2.75 3.25 3.50 4.00 4.00 4.25 4.50 4.50 4.75 5.00 5.50 5.50 (% (kg/m 0.4624 0.7290 0.9664 1.4466 2.0110 2.9099 3.7779 4.5852 6.1588 7.8789 9.