Raypak 407A Swimming Pool Heater User Manual


 
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