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管徑 |
流 量 (L/S) |
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|
(mm) |
1 |
2 |
4 |
6 |
8 |
10 |
|
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|
25 |
3.27 |
13.0 |
|
|
|
|
每100m直管損失米數(shù)以新鑄鐵管為標(biāo)準(zhǔn)舊管加倍 |
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|
40 |
3.5 |
14 |
15 |
|
|
|
15 |
20 |
||||||||||||||||
|
50 |
0.8 |
3.1 |
13 |
29 |
|
|
|
|
25 |
30 |
||||||||||||||
|
65 |
|
O.8 |
3.2 |
7.1 |
13 |
20 |
|
|
|
|
40 |
50 |
||||||||||||
|
80 |
|
0.4 |
1.6 |
3.3 |
5.9 |
9.6 |
21.6 |
|
|
|
|
|
60 |
70 |
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|
100 |
|
|
0.4 |
0.8 |
1.3 |
2.1 |
6.8 |
8.6 |
13 |
19.4 |
|
|
|
|
80 |
90 |
||||||||
|
125 |
|
|
|
O.23 |
0.4 |
0.63 |
1.3 |
2.7 |
4.1 |
5.9 |
10.7 |
|
|
|
|
|
100 |
110 |
||||||
|
150 |
|
|
|
|
0.16 |
0.26 |
0.58 |
1.1 |
1.6 |
2.3 |
4.2 |
6.4 |
9.4 |
|
|
|
|
|
120 |
130 |
||||
|
175 |
|
|
|
|
|
O.11 |
0.27 |
0.5 |
0.74 |
1.05 |
1.9 |
2.9 |
4.3 |
5.8 |
7.7 |
9.6 |
|
|
|
|
140 |
160 |
||
|
200 |
|
|
|
|
|
|
O.13 |
O.26 |
0.37 |
0.53 |
0.93 |
1.5 |
2.1 |
2.9 |
3.7 |
4.7 |
6.1 |
7.2 |
8.5 |
|
|
|
180 |
200 |
|
250 |
|
|
|
|
|
|
|
0.07 |
O.12 |
O.18 |
0.30 |
0.48 |
0.68 |
0.93 |
1.2 |
1.5 |
1.9 |
2.3 |
2.8 |
3.3 |
3.7 |
4.9 |
6.2 |
|
|
300 |
|
|
|
|
|
|
|
|
|
0.07 |
0.12 |
0.19 |
0.27 |
0.37 |
0.49 |
O.61 |
0.76 |
0.9 |
1.1 |
1.3 |
1.5 |
2.0 |
2.4 |
3.0 |
閥及彎管折合直管長(zhǎng)度(每個(gè))
注：例如1OOmm直徑管，底閥折合100倍直徑等于100×100=10000mm=1Om直管長(zhǎng)度。假定流量為8L／S查上表，直管每100m損失1.3米，則1Om損失0.13m，即一個(gè)1OOmm底閥，流數(shù)為8L／S時(shí)，則損失揚(yáng)程0.13m。 |
一定管路直徑之最大流量限制
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