水泵管径流速流量

对照表之水泵管径流速流量(标准编排)

管径 流量 流速 0.10.110.180.290.450.711.191.812.834.426.3611.3117.6725.4534.6445.2457.2670.69101.79 0.20.230.350.580.901.412.393.625.658.8412.7222.6235.3450.8969.2790.48114.51141.37203.58 0.30.340.530.871.362.123.585.438.4813.2519.0933.9353.0176.34103.91135.72171.77212.06305.36 0.40.450.711.161.812.834.787.2411.3117.6725.4545.2470.69

管径 流量 流速 0.10.110.180.290.450.711.191.812.834.426.3611.3117.6725.4534.6445.24 0.20.230.350.580.901.412.393.625.658.8412.7222.6235.3450.8969.2790.48 0.30.340.530.871.362.123.585.438.4813.2519.0933.9353.0176.34103.91135.72 0.40.450.711.161.812.834.787.2411.3117.6725.4545.2470.69101.79138.54180.96 0.50.570.881.452.263.535.979.051

0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 200.50.70.91.11.41.61.82.02.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.82.73.64.55.46.37.28.19.010.010.911.812.713.6 502.84.25.77.18.59.911.312.714.115.617.018.419.8

输入已知(已知3个)计算结果 流量m3/h5043.43 流速m/s1517.27 数量11.15 直径mm32 直径mm(计算)34.335527.79 管道流量流速管径计算

管径/流速/流量对照表 管 径 (d n) 流量m3/h 0.4 m/s 0.6 m/s 0.8 m/s 1.0 m/s 1.2 m/s 1.4 m/s 1.6 m/s 1.8 m/s 2.0 m/s 2.2 m/s 2.4 m/s 2.6 m/s 2.8 m/s 3.0 m/s 200.50.70.91.11.41.61.82.02.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.82.73.64.55.46.37.28.19.0 10. 0 10. 9 11. 8 12. 7 13. 6 502.84.

0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 200.50.70.91.11.41.61.822.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.82.73.64.55.46.37.28.191010.911.812.713.6 502.84.25.77.18.59.911.312.714.115.61718.419.821.2 65

0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 200.50.70.91.11.41.61.82.02.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.82.73.64.55.46.37.28.19.010.010.911.812.713.6 502.84.25.77.18.59.911.312.714.115.617.018.419.8

0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 100.10.20.20.30.30.40.50.50.60.60.70.70.80.8 150.30.40.50.60.80.91.01.11.31.41.51.71.81.9 200.50.70.91.11.41.61.82.02.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.8

0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 200.50.70.91.11.41.61.82.02.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.82.73.64.55.46.37.28.19.010.010.911.812.713.6 502.84.25.77.18.59.911.312.714.115.617.018.419.8

0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 200.50.70.91.11.41.61.82.02.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.82.73.64.55.46.37.28.19.010.010.911.812.713.6 502.84.25.77.18.59.911.312.714.115.617.018.419.8

流速（m/s） 流量（m3/h） 公称通径（mm） 150.060.190.320.641.271.912.543.186.367.639.5412.72 200.110.340.571.132.263.394.525.6511.3113.5716.9622.62 250.180.530.881.773.535.37.078.8417.6721.2126.5135.34 320.290.871.452.95.798.6911.5814.4828.9534.7443.4357.91 400.451.362.264.529.0513.5718.122.6245.2454.2967.8690.48 500.712.123.537.0714.1421.21

PPR、PE管材管径-流速-流量对照表

工作压力（mpa）管内流速（m/s）备注 0.3-0.610-20 0.6-1.010-15 1.0-2.08-12 2.0-3.03-6 名称数据单位备注 输入管道内所需压缩空气的流量q60m3/min 输入管道内所需要的用气流速（压力决定）v15m/s 计算得到的压缩空气管径d116.1895004mm 2、实际值应取选择比计算值大 按管道需求压力 0.8mpa，取流速 15m/s 压缩空气流量、流速、管径套用关系 举例 说明 套用公式 d=0.45√(q/60/v) 其中：d=管径m; q=流量m^3/min; v=流速m/s 1、压缩空气（工作压力）管内流速选取：

7度温差冷量/流量5.829596413 管径流速范围使用流速上限流量上限冷量 mmm/sm/sm3/hkw 150.4~0.50.40.251.48 200.5~0.60.50.573.29 250.6~0.70.61.066.18 320.7~0.90.72.0311.81 400.8~1.00.83.6221.09 500.9~1.217.0741.19 651.1~1.41.214.3383.53 801.2~1.61.323.51137.07 1001.3~1.81.542.39247.12 1251.5~2.01.670.65411.86 1501.6~2.21.8114.45667.21 2001.8~2.52226.081317.96 2501.8~2.6

管径 流量 流速 0.10.110.180.290.450.711.191.812.834.426.3611.3117.6725.4534.6445.2457.2670.69101.79 0.20.230.350.580.901.412.393.625.658.8412.7222.6235.3450.8969.2790.48114.51141.37203.58 0.30.340.530.871.362.123.585.438.4813.2519.0933.9353.0176.34103.91135.72171.77212.06305.36 0.40.450.711.161.812.834.787.2411.3117.6725.4545.2470.69

流速流量对照表 公称 通径 dn (mm) 流速(m/s) 0.010.100.300.501.002.003.004.005.0010.00 流量(m3/h) 100.002830.028270.084820.141370.282740.565490.848231.130971.413722.82743 150.006360.063620.190850.318090.636171.272351.908522.544693.180866.36173 200.011310.113090.339290.565491.130972.261953.392924.523895.6548711.3097 250.017670.176720.530140.883571.76715

流速及流量测量——本讲稿主要介绍流量及流量测量的方法及仪表，流速测量方法：机械法、散热率法、动力测压法、激光测速法，流量计有压差式、速度式、容积式、及电磁等。

流速 流量 管径水量cmh冷量usrt水量cmh冷量usrt水量cmh冷量usrt水量cmh冷量usrt水量cmh冷量usrt水量cmh冷量usrt φ22dn15(1/2")1.0171.71.1431.91.2722.11.3992.31.5882.61.9083.18 φ27dn20(3/4")1.809320.353.42.2613.82.4874.12.8264.73.3915.7 φ34dn25(1")2.8264.7301795.33.5335.93.8866.54.4167.45.2998.8 φ42dn32(1-1/4")4.637.75.2098.75.7889.66.3

pe管道流量、流速、水压计算 管径流量 高密度聚乙烯(hdpe) 0.25mpa0.4mpa0.6mpa1.0mpa 计算管径流速阻力损失计算管径流速阻力损失计算管径流速阻力损失计算管径流速阻力损失 mml/smmm/smm/mmmm/smm/mmmm/smm/mmmm/smm/m 150.1120.88100.40 200.210161.0497.71 250.300210.8750.3020.40.9257.93 320.500280.8131.9126.20.9344.10 401.010360.9934.5035.21.0438.4932.61.2155.93 501.550460.9323.11441.0228.7040.81

风管设计中流速和流量 1中央空调工程中常用风速 风管类别风速（m/s）风机附近的极限流速 自然通风机械通风 吸入空气的百叶窗0~1.02~410~12 吸风管1~22~6 支管和垂直风管0.5~1.52~5 水平总风管0.5~1.05~8 接近地面的进风口0.2~0.50.2~0.5 接近顶棚的进风口0.5~1.01~2 接近顶棚的排风口 排风塔1~1.53~6 2风管和设备内的风速 位置推荐值（m/s）最大值（m/s） 住宅公共建筑工厂住宅公共建筑工厂 风机吸入口3.54.05.04.55.07.0 风机出口5~86.5~108~128.57.5~118.5~14 干管3.5~4.55~6.56~94~65.5~86.5~11 支管33~4.54~53.5~5

镀锌钢管管径流量流速对照表 管径 （dn） 流量m3/h 0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 200.50.70.91.11.41.61.82.02.32.52.72.93.23.4 250.71.11.41.82.12.52.83.23.53.94.24.64.95.3 321.21.72.32.93.54.14.65.25.86.46.97.58.18.7 401.82.73.64.55.46.37.28.29.010.010.911.812.713.6 502.84.25.77.18.59.