Pump And Low Loss Header Selection; Pump & Low Loss Header (Hydro-Separator) Selection - Buderus Logano plus GB312 Applications Manual

Gas condensing boiler
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GB312 Applications Manual
13 Pump & low loss header
(hydro-seperator) selection
13.1 Pump selection based on delta T.
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BOILER DATA
Models
Flowrate
Boiler
(gal/min)
pressure
drop
(PSI)
GB312-90
30
3.4
GB312-120
45
4.6
GB312-160
60
4.5
GB312-200
75
5.2
GB312-240
90
5.2
GB312-280
106
5.5
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BOILER DATA
Models
Flowrate
Boiler
(gal/min)
pressure
drop
(PSI)
GB312-90
15
0.9
GB312-120
23
1.2
GB312-160
30
1.2
GB312-200
37
1.3
GB312-240
45
1.3
GB312-280
53
1.4
BOILER PUMP SELECTION
Check valve
Grundfos
B & G pump
pressure
pump
selection
drop
selection
(PSI)
0.3
UP26-99
607S
0.6
UPS40-40
607S
0.6
UPS40-80/4
608S
0.9
UPS50-80/4
609S
1.2
UPS50-80/4
611S
1.7
UPS80-80
612S
BOILER PUMP SELECTION
Check valve
Grundfos
B & G pump
pressure
pump
selection
drop
selection
(PSI)
0.1
UP15-42
607S
0.2
UP26-64
607S
0.2
UP26-99
607S
0.2
UPS32-40
607S
0.3
UPS40-40
607S
0.4
UPS40-40
608S
HYDRO-SEPERATOR
Taco pump
Caleffi
selection
Hydro-
seperator
selection
1400-20
548082A
1400-65
548082A
1400-70
548082A
1400-70
548102A
1632
548102A
1632
548102A
HYDRO-SEPERATOR
Taco pump
Caleffi
selection
Hydro-
seperator
selection
1400-10
548052A
1400-10
548052A
1400-20
548082A
1400-20
548082A
1400-40
548082A
1400-45
548082A
_ 
7DEOH 
Sinus
Nominal Size
Hydro-
seperator
selection
7-26-200
3" Flanged
7-26-200
3" Flanged
7-26-200
3" Flanged
7-26-250
4" Flanged
7-26-250
4" Flanged
7-26-250
4" Flanged
7DEOH 
Sinus
Nominal Size
Hydro-
seperator
selection
7-25-120
2" Flanged
7-25-120
2" Flanged
7-26-200
2" Flanged
7-26-200
3" Flanged
7-26-200
3" Flanged
7-26-200
3" Flanged

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