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6 Hydronic piping
Figure 6-5 Pressure Drop vs. Flow - Models 399 and 500
Table 6B Sizing Information for Temperature Rise Applications_20°F, 25°F, 30°F and 35°F
Figure 6-6 Pressure Drop vs. Flow - Models 600 thru 800
0
2
4
6
8
10
12
14
16
18
20
0 5 10 15 20 25 30 35 40 45
KBN500
KBN399
Pressure Drop vs Flow
(Includes Boiler Secondary Piping)
Flow Rate (GPM)
Pressure Drop (Feet of Head)
0
10
20
30
40
50
60
0 102030405060708090
KBN800
KBN700
KBN600
Pressure Drop vs Flow
(Includes Boiler Secondary Piping)
Flow Rate (GPM)
Pressure Drop (Feet of Head)
TEMPERATURE RISE APPLICATIONS
Model
MINIMUM
PIPE
SIZE
20°F 25°F 30°F 35°F
GPM FT/HD GPM FT/HD GPM FT/HD GPM FT/HD
399 1 1/2" 37 21 30 14 26 11 21 8
500 1 1/2" 46 23 37 16 32 13 26 10
600 2" 55 31 44 22 38 18 32 13
700 2" 65 30 52 20 45 16 37 11
800 2" 74 33 60 23 51 18 42 12
Installation & Operation Manual
35