Raypak 266A User Manual
Page 24
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24
HEAT EXCHANGER PRESSURE DROP TABLES
POLYMER HEADER (STANDARD MODELS)
FLOW
GPM
PRESSURE DROP (FT OF HEAD)
206/207
266/267
336/337
406/407
20
1.5
2.8
4.1
4.1
30
1.7
4.6
5.8
5.8
40
2.1
5.2
6.5
6.5
50
2.4
5.6
7.2
7.2
60
2.8
6.1
7.7
7.7
70
3.7
6.5
8.2
8.2
80
4.6
7.3
8.7
8.7
90
5.7
8.8
10.2
10.2
100
6.8
10.0
13.0
13.0
CAST IRON HEADER (ASME MODELS)
FLOW
GPM
PRESSURE DROP (FT OF HEAD)
206/207
266/267
336/337
406/407
20
1.8
3.9
3.9
3.9
30
2.2
8.0
8.0
8.0
40
2.5
9.0
9.0
9.0
50
2.7
9.8
9.8
9.8
60
3.3
10.5
10.5
10.5
70
4.3
11.0
11.0
11.0
80
5.5
11.5
11.5
11.5
90
6.8
14.0
14.0
14.0
100
8.2
17.0
17.0
17.0
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