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水力控制阀如何计算KV值?

2025年09月18日 08:14:15      来源:上欧阀门有限公司 >> 进入该公司展台      阅读量:4

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下面的表格可以用来估计KV值在水系统中使用的过程控制阀。KV值是指流体流量的平均没小时达到多少千克。

  1. 转到左边的列,并选择阀门的压力降
  2. 转到右表中接近实际水流量。 插值找到约V
K V
压力降水流量(千克/小时)
36721081441803607201080144018003600
(千帕)(巴)水流量(公斤/秒)
0.010.020.030.040.050.10.20.30.40.51
10.010.360.721.081.441.83.67.210.814.41836
20.020.250.510.761.021.272.555.097.6410.1812.7325.46
30.030.210.420.620.831.042.084.166.248.3110.3920.78
40.040.180.360.540.720.91.83.65.47.2918
50.050.160.320.480.640.81.613.224.836.448.0516.1
100.10.110.230.340.460.571.142.283.424.555.6911.38
200.20.080.160.240.320.40.81.612.413.224.028.05
300.30.070.130.20.260.330.661.311.972.633.296.57
400.40.060.110.170.230.280.571.141.712.282.855.69
500.50.050.10.150.20.250.511.021.532.042.555.09
10010.040.070.110.140.180.360.721.081.441.83.6
20020.030.050.080.10.130.250.510.761.021.272.55
30030.020.040.060.080.10.210.420.620.831.042.08
40040.020.040.050.070.090.180.360.540.720.91.8
50050.020.030.050.060.080.160.320.480.640.81.61
1000100.010.020.030.050.060.110.230.340.460.571.14
2000200.010.020.020.030.040.080.160.240.320.40.8
3000300.010.010.020.030.030.070.130.20.260.330.66
4000400.010.010.020.020.030.060.110.170.230.280.57

 

K V
压力降水流量(千克/小时)
72001080014400180003600072000108000144000180000360000720000
(千帕)(巴)水流量(公斤/秒)
23451020304050100200
10.017210814418036072010801440180036007200
20.0250.9176.37101.82127.28254.56509.12763.681018.231272.792545.585091.17
30.0341.5762.3583.14103.92207.85415.69623.54831.381039.232078.464156.92
40.043654729018036054072090018003600
50.0532.248.364.480.5161321.99482.99643.99804.981609.973219.94
100.122.7734.1545.5456.92113.84227.68341.53455.37569.211138.422276.84
200.216.124.1532.240.2580.5161241.5321.99402.49804.981609.97
300.313.1519.7226.2932.8665.73131.45197.18262.91328.63657.271314.53
400.411.3817.0822.7728.4656.92113.84170.76227.68284.6569.211138.42
500.510.1815.2720.3625.4650.91101.82152.74203.65254.56509.121018.23
10017.210.814.4183672108144180360720
20025.097.6410.1812.7325.4650.9176.37101.82127.28254.56509.12
30034.166.248.3110.3920.7841.5762.3583.14103.92207.85415.69
40043.65.47.291836547290180360
50053.224.836.448.0516.132.248.364.480.5161321.99
1000102.283.424.555.6911.3822.7734.1545.5456.92113.84227.68
2000201.612.413.224.028.0516.124.1532.240.2580.5161
3000301.311.972.633.296.5713.1519.7226.2932.8665.73131.45
4000401.141.712.282.855.6911.3817.0822.7728.4656.92113.84

例如- K V的水力控制阀

随着2杆,1公斤/ s的水流量压力降,K V值应约为2.55。

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