空调水系统水管流速、流量、管径对应表

流速 流量V=1.6V=1.8V=2V=2.2V=2.5V=3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 管径φ22 DN15 (1/2\")1.0171.71.1431.91.2722.11.3992.31.5882.61.9083.18φ27 DN20 (3/4\")1.809320.353.42.2613.82.4874.12.8264.73.3915.7φ34 DN25 (1\")2.8264.7301795.33.5335.93.8866.54.4167.45.2998.8φ42 DN32 (1-1/4\")4.637.75.2098.75.7889.66.36610.67.235128.68114.5φ48 DN40 (1-1/2\")7.235128.13913.69.013159.94816.611.318.813.5622.6φ60 DN50 (2\")11.30418.812.7221.214.1323.615.54325.917.6629.421.19535.3φ76 DN65 (2-1/2\")19.113221.4935.823.8839.826.2684429.855035.8260φ89 DN80 (3\")28.944832.565436.176039.796545.227554.2690φ114 DN100 (4\")45.227550.878556.529462.1710470.6511884.78141φ140 DN125 (5\")70.6511879.4813288.3114797.14162110.39184132.47221φ168 DN150 (6\")115.75193130.22217144.69241159.16265180.86301217.04362φ219 DN200 (8\")180.86301203.47339226.08377248.69413282.6471339.12565φ273 DN250 (10\")282.6471317.93530353.25589388.58647441.56735529.88865φ325 DN300 (12\")406.94678457.81763508.68848559.55932635.851059763.021271φ377 DN350 (14\")553.9923623.131038692.371048761.611270865.4614421038.551730φ426 DN400 (16\")723.461205813.891357904.321507994.7516571130.418831356.482260φ480 DN450 (18\")91615271030171711451908125920981431238517172862φ530 DN500 (20\")113018831272212014132355155425901766294321203533φ580 DN550 (22\")135222531539256516902817185930982112352025354225φ630 DN600 (24\")1627.827131831.2530522034.733922238.237302543.442383352.085587注：流量单位：米/秒 ；

流量单位：立方米/秒 ；

冷量单位：USRT

开式系统： 1USRT=0.75CMH=3.0GPM

闭式系统： 1USRT=0.6CMH=2.4GPM ;