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1、空调冷水管、冷凝水管管径选用表管径流量范围(T/h)冷量范围(kw)管道流速(ms)单位比摩阻(Pa/m)DN15 (D182.5)0.191.1().3143DN20 (D252.5)().20 0.431.16 2.5().18 0.3845 163DN25 (D322.5)0.44 0.852.56 4.940.25 0.4833 180DN32 (D383)0.86 1.815 10.510.3 0.6348 194DN40 (D453)1.82-2.6510.57 15.390.40.663 147DN5() (D57X3.5) (140)2.66 5.5615.45 32.290.
2、4 0.849 183DN7() (D76X3.5) (160)5.57-10.4632.3560.74().4 0.7636 133DN80 (D893.5) (185)10.47 16.560.8095.820.58 0.9161 140DN100 (D1084) (205)16.6 4096.4 232.290.59 1.4247 248DN125 (D1334) (235)40 62232.293600.9 1.477 182DN15() (D1594.5) (260)62 101360586.530.9751.5975 188DN200 (D2196) (315)101236586.
3、531370.50.89 2.0941 111DN250 (D2737) (370)2364201370.524391.34 2.3863 211DN300 (D3258) (435)420675243939201.65 2.6582 206DN35() (D3779) (485)675900392052271.95 2.691 161DN400 (D426X10) (535)901 1200523269691.99 2.6584 150DN450 (D47411) (590)1201-1545697486722.1 2.7DN500 (D528512) (640)15451979867211
4、4922.2 2.8DN600 (D630 15) (755)1979285011492165511.95 2.8DN700 (D73015) (860)2850387916551225262.06 2.8DN8()() (D840X 15) (975)3879506622526294192.14-2.8可根据机组的冷负荷Q (kw)按下列数据近似选定冷凝水管的公称直径:机组冷量(kw)冷凝水管管径(mm)Q7DN=20Q=7-17.6DN=25Q= 17.7-100DN=32Q=101-176DN=40Q=177 598DN=50Q=5991055DN=80Q=10561512DN=1()()Q=151312462DN=125Q212462DN=150