Hydronic piping, Flow rate (gpm), Temperature rise applications – Lochinvar Kight XL 400-801 User Manual
Page 18
18
Outdoor Knight XL Installation & Operation
Manual
Figure 3-5 Pressure Drop vs. Flow - Models 400 and 501
Table 3B Sizing Information for Temperature Rise Applications_20°F, 25°F, 30°F and 35°F
Figure 3-6 Pressure Drop vs. Flow - Models 601 thru 801
0
2
4
6
8
10
12
14
16
18
20
0
5
10
15
20
25
30
35
40
45
KBN501
KBN400
Pressure Drop vs Flow
(Includes Boiler Secondary Piping)
Flow Rate (GPM)
Pressure Drop (Feet of Head)
O
O
0
10
20
30
40
50
60
0
10
20
30
40
50
60
70
80
90
KBN801
KBN701
KBN601
Pressure Drop vs Flow
(Includes Boiler Secondary Piping)
Flow Rate (GPM)
P
ressur
e Dr
op (F
eet of Head)
O
O
O
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
400
1 1/2"
37
21
30
14
26
11
21
8
501
1 1/2"
46
23
37
16
32
13
26
10
601
2"
55
31
44
22
38
18
32
13
701
2"
65
30
52
20
45
16
37
11
801
2"
74
33
60
23
51
18
42
12
3
Hydronic piping