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Installation & Operation Manual
6
Hydronic piping
Figure 6-2 Pressure Drop vs. Flow
3.00
9.00
8.00
2.50
1.50
55
1.00
110
4.00
155
2.00
1.00
0.00
-0.50
5.00
3.00
85
0.50
MODEL
6.00
FT/HD
2.00
FT/HD
7.00
MODEL
0.00
0
2
4
6
8
10
12
14
0
2
4
6
8
10
FLOW
12
14
16
18
20
FLOW
3.50
3.00
MODEL
2.00
1.50
199
1.00
285
0.50
0.00
0
5
10
15
20
25
30
FT/HD
FT/HD
2.50
2.00
1.80
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
MODEL
399
0
35
5
10
15
20
25
30
35
40
45
FLOW
FLOW
Table 6A Circulator Recommendations for Temperature Rise Applications_20°, 25°, and 35°
20°F Temperature Rise Applications
Model
GPM
FT/HD
Minimum Pipe
Size
55
85
110
155
199
285
399
5
8
10
15
19
27
38
0.27
0.94
1.53
4.26
1.13
2.42
1.42
1"
1"
1"
1"
1.25"
1.25"
1.5"
Grundfos
UPS 15-58FC (1)
UPS 15-58FC (1)
UPS 15-58FC (2)
UPS 15-58FC (3)
UPS26-99F
UPS26-99F
UPS26-99F
Pump
TACO
B&G
Armstrong
NRF-22
NRF-22
NRF-22
NRF-22
NRF-36 (1)
NRF-36 (3)
PL-55
E7
E7
E7
E7
E7
E7
E11
B&G
NRF-22
NRF-22
NRF-22
NRF-36 (1)
NRF-36 (1)
NRF-36 (3)
PL-55
Armstrong
E7
E7
E7
E7
E7
E7
E11
Pump
Minimum Pipe
Model GPM
FT/HD
Size
Grundfos
TACO
B&G
55
3
0.10
1"
UPS 15-58FC (1)
007
NRF-22
85
5
0.37
1"
UPS 15-58FC (1)
007
NRF-22
110
6
0.55
1"
UPS 15-58FC (2)
007
NRF-22
155
9
1.76
1"
UPS 15-58FC (3)
007
NRF-36 (1)
199
11
0.38
1.25"
UPS 15-58FC (3)
0010
NRF-36 (1)
285
16
0.85
1.25"
UPS 15-58FC (3)
0010
NRF-36 (1)
399
22
0.48
1.5"
UPS26-99F
0011
NRF-36 (1)
Pumps listed in bold type are provided by the factory as the boiler circulation pump.
NOTICE
Armstrong
E7
E7
E7
E7
E7
E7
E7
007
007
007
007
0011
0011
0012
25°F Temperature Rise Applications
Model
GPM
FT/HD
Minimum Pipe
Size
55
85
110
155
199
285
399
4
7
8
12
15
22
31
0.17
0.72
0.98
3.13
0.71
1.61
0.95
1"
1"
1"
1"
1.25"
1.25"
1.5"
Pump
Grundfos
UPS 15-58FC (1)
UPS 15-58FC (1)
UPS 15-58FC (2)
UPS 15-58FC (3)
UPS26-99F
UPS26-99F
UPS26-99F
TACO
007
007
007
007
0011
0011
0012
35°F Temperature Rise Applications
NOTICE
36
The temperature rise provided by a pump/model combination will decrease by 3% per 1000 feet of elevation.