Low Loss Header Selection Per Manufacturer - Buderus Logano plus GB312 Applications Manual

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13.2 Low loss header selection per
manufacturer
CALEFFI
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Combined Mains pipe size
Flowrate
(gal/min)
up to 247 gpm 4"
up to 300 gpm 5"
up to 484 gpm 6"
up to 792 gpm 8"
up to 1,330 gpm 10"
up to 1,850 gpm 12"
SINUS
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Combined Mains pipe size
Flowrate
(gal/min)
up to 115 gpm 4"
up to 190 gpm 5"
up to 250 gpm 6"
up to 375 gpm 8"
up to 480 gpm 8"
up to 745 gpm 10"
up to 1,030 gpm 12"
up to 1,320 gpm 14"
Caleffi Caleffi
Hydro-seperator Hydro-seperator
selection selection
ASME registered Non-ASME
NA548102A 548102A
NA548120A not offered
NA548150A not offered
NA548250A not offered
NA548300A not offered
NA548300A not offered
7DEOH 
Sinus Nominal Size
Hydro-seperator
selection
7-26-250 4" Flanged
7-26-300 5" Flanged
7-26-400 6" Flanged
7-26-450 8" Flanged
7-26-500 8" Flanged
1-51-218 10" Flanged
1-51-220 12" Flanged
1-51-222 14" Flanged
7DEOH 
Nominal Size
4" Flanged
5" Flanged
6" Flanged
8" Flanged
10" Flanged
12" Flanged
GB312 Applications Manual