PEERLESS PF-50 Installation, Operation & Maintenance Manual page 20

WATER PIPING AND CONTROLS
e. Table 4.4 provides the flow rate and pressure drop
information that corresponds to various system
temperature rise values (DT). The pressure drop
shown is for the boiler only. If there is significant
system pressure drop in the system, this should be
included when specifying circulators.
Table 4.4: Flow Rate and Pressure Drop for Various System Temperature Rise Values
DT
(°F)
GPM
40 2.3
35 2.6
30 3.1
25 3.7
20 4.6
15 6.1
10 9.2
Table 4.5: Circulator Selection Chart (General Pump – Primary Secondary)
Circulator
Manufacturer
Taco
Grundfos
Bell & Gossett
Wilo
Taco
Grundfos
Bell & Gossett
Wilo
Taco
Grundfos
Bell & Gossett
Wilo
Taco
Grundfos
Bell & Gossett
Wilo
Taco
Grundfos
Bell & Gossett
Wilo
Taco
Grundfos
Bell & Gossett
Wilo
Taco
Grundfos
Bell & Gossett
Wilo
* A model 007 circulator can be substituted for those marked with an asterisk based on availability.
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PF-50 PF-80
FT GPM FT
2.17 3.7 3.92
2.72 4.2 4.95
3.54 4.9 6.49
4.83 5.8 8.95
7.06 7.3 13.25
11.52 9.7 21.97
22.97 14.6 44.81
Temperature
Difference PF-50
0011
UPS26-99FC
Hi Speed
10
NRF-45
Top S 1.25 x 25
Max
008
UPS15-58FC
Hi Speed
15
NRF-22
Star S 21 FX
Hi Speed
005*
UPS15-58FC
Med Speed
20
NRF-22
Star S 21 FX
Med Speed
006F*
UPS15-58FC
Lo Speed
25
NRF-9F/LW
Star S 21 FX
Low Speed
006F*
UP15-10F
30
NRF-9F/LW
Star S 21 FX
Min Speed
006F*
UP15-10F
35
N/A
Star S 21 FX
Min Speed
006F*
UP15-10F
40
N/A
Star S 21 FX
Min Speed
manuals search engine
f. Table 4.5 provides a list of recommended
circulators for boilers on a secondary loop of a
primary/secondary system which uses water as a
heating medium.
Flow Rate & Pressure Drop
PF-110 PF-140
GPM FT GPM
5.1 3.74 6.5
5.8 4.75 7.4
6.7 6.27 8.7
8.1 8.70 10.4
10.1 12.99 13.0
13.5 21.78 17.3
20.2 45.11 26.0
PF-80 PF-110
1400-50 1400-50
N/A N/A
90-36 90-36
Top S 1.5.x 60
N/A
Min 230/1 only
0011 0013
UPS26-99FC UPS32-80F
Hi Speed Hi Speed
NRF-45 NRF-36
Top S 1.25 x 25
Star 30 F
Max
009 0014
UPS15-58FC UPS26-99FC
Hi Speed Med Speed
NRF-22 NRF-36
Star S 21 FX Star S 21 FX
Hi Speed Hi Speed
007 008
UPS15-58FC UPS15-58FC
Med Speed Hi Speed
NRF-22 NRF-22
Star S 21 FX Star S 21 FX
Med Speed Hi Speed
005* 005*
UPS15-58FC UPS15-58FC
Med Speed Med Speed
NRF-22 NRF-22
Star S 21 FX Star S 21 FX
Med Speed Med Speed
006F* 006F*
UPS15-58FC UPS15-58FC
Lo Speed Med Speed
NRF-9F/LW NRF-9F/LW
Star S 21 FX Star S 21 FX
Min Speed Med Speed
006F* 006F*
UPS15-58FC UPS15-58FC
Lo Speed Lo Speed
NRF-9F/LW NRF-9F/LW
Star S 21 FX Star S 21 FX
Min Speed Min Speed
PF-210
FT GPM FT
2.70 9.6 6.23
3.51 11.0 7.69
4.75 12.8 9.81
6.80 15.4 13.09
10.55 19.2 18.63
18.58 25.6 29.35
41.26 38.4 55.71
PF-140 PF-210
1619/7.5"
1400-50
1.5 HP
UPS40-160F
N/A
Hi Speed
90-2 90-3
Top S 1.5 x 50 Top S 1.5.x 60
Max Min 230/1 only
0013 1400-50
UPS32-80F UPS32-160F
Med Speed Med Speed
NRF-36 PL-55
Top S 1.25 x 25 Top S 1.5 x 40
Max Min
0014 1400-20
UPS26-99FC UPS32-80F
Med Speed Med Speed
NRF-25 NRF-36
Top S 1.25 x 25
Star 30 F
Max
007 0014
UPS15-58FC UPS26-99FC
Hi Speed Med Speed
NRF-22 NRF-45
Star S 21 FX
Star 30 F
Hi Speed
005* 0014
UPS15-58FC UPS26-99FC
Med Speed Med Speed
NRF-22 NRF-25
Star S 21 FX
Star 30 F
Hi Speed
006F* 0010
UPS15-58FC UPS15-58FC
Med Speed Hi Speed
NRF-9F/LW NRF-22
Star S 21 FX Star S 21 FX
Med Speed Hi Speed
006F* 007
UPS15-58FC UPS15-58FC
Lo Speed Hi Speed
NRF-9F/LW NRF-22
Star S 21 FX Star S 21 FX
Min Speed Hi Speed
PF-399
GPM FT
18.7 4.97
21.3 6.38
24.9 8.50
29.8 11.93
37.3 18.08
49.7 30.90
74.6 65.74
PF-399
1911/4.5"
3 HP
N/A
90-5
IL 1.5 70/130-4
1615/6.3" 1 HP
UPS40-160F
Hi Speed
90-2
Top s 1.5 x 40
Max
1400-50
UPS32-160F
Med Speed
PL-55
Top S 1.25 x 35
Max
1400-20
UPS32-80F
Med Speed
PL-50
Top S 1.25 x 35
Max
0013
UPS26-99FC
Hi Speed
NRF-36
Star 17 FX
0014
UPS26-99FC
Hi Speed
NRF-45
Star 30 F
0010
UPS26-99FC
Med Speed
NRF-33
Star 30 F