空调冷量与管径对照表
USRT制冷量（冷吨）LosePIPE SIZE管道尺寸USRT制冷量（冷吨）FPSPIPE SIZE管道尺寸
L低值H 高值/100ftINL低值H高值
IN
126.323/4123.013/4DN20344.541342.971DN25574.21-1/4563.431-1/4DN328114.311-1/2794.11-1/2DN4012214.67210174.782DN5022407.112-1/218336.72-1/2DN6540635.14334506.513DN80631254.894511007.554DN1001252003.8551011607.75DN1252013354.0361612608.896DN1503367003.82826150010.38DN20070110003.081050185010.610
100115002.3712851120010.312
150118502.27141201150010.714
185125002.01161501200010.916
250129001.4918200123001018
299137501.39202301300010.320
375150000.9624300140009.5824
500183000.7330400165009.7130
8301125000.55366501100009.4636
12501187500.5542100011500010.4242
18751250000.4848150012000010.6448
25001300000.365420001230009.3154
30001500000.247223001400009.4772
50000650000.198440001530009.2684
PS: USRTGAL=3.785 L.LOSS USE 8 FT/100FT
B=HQr/6120N,H=揚程(M),Q=L/MIN,r=1
N=1 1/2″-0.4,2″-0.45,3″-0.50
4″-0.55,5″-0.64,6″-0.66
1ft=304.8mm
1寸DN25
6分DN203/44分DN151/22分DN81/4
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