APPENDIX B3 - Series 24 Boiler Circulator and Diverting Valve Selection Chart, 20°F & 40°F ∆T,
Bell and Gossett
Series 24 Boiler Circulator Selection - Bell and Gossett (20°F
Differential)
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| Boiler Recirculation | Bell and Gossett Circulating Pump | ||||
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SIZE | GROSS | TOTAL | Pipe |
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OUTPUT | GPM | Size | Valve |
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| Part | Model No. | Imp " | HP | RPM | |
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342 | 35 | 2.0" | 1.5" NPT | 330852 | Std. | 1/6 | 3300 | ||
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471 | 48 | 2.0" | 1.5" NPT | 330852 | Std. | 1/6 | 3400 | ||
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634 | 65 | 2.0" | 2" NPT | 330853 | Std. | **2/5 | 3200 | ||
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797 | 81 | 2.5" | *2.5" Flange | 330854 | Std. | **2/5 | 3200 | ||
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937 | 96 | 2.5" | *2.5" Flange | 330854 | Std. | **2/5 | 3200 | ||
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1087 | 111 | 2.5" | *2.5" Flange | 330854 | Ser. 60, Mod. 610 - 2" | 4" | **1/2 | 1750 | |
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1316 | 134 | 3.0" | 2.5" Flange | 330855 | Ser. 60, Mod. 610 - 2" | 4" | **1/2 | 1750 | |
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1505 | 153 | 3.0" | 2.5" Flange | 330855 | Ser. 80, Mod. 3x3x7B | 5" | **1 | 1750 | |
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1690 | 171 | 3.0" | 2.5" Flange | 330855 | Ser. 80, Mod. 3x3x7B | 5" | **1 | 1750 | |
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1852 | 190 | 4.0" | 3.0" Flange | 330856 | Ser. 80, Mod. 3x3x7B | 5" | **1 | 1750 | |
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*Model
**Use Additional Relay for Single Phase Power. Use Motor Starter for 3 Phase Power.
Series 24 Boiler Circulator Selection - Bell and Gossett (40°F
Differential)
| IBR |
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| Boiler Recirculation | Bell and Gossett Circulating Pump | ||||
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SIZE | GROSS | TOTAL | Pipe |
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| Valve |
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OUTPUT | GPM | Size | Valve |
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| (MBH) |
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| Part | Model No. | Imp " | HP | RPM | |
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| Size | ||||||
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| Number |
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342 | 17 | 1.5" | 1.0" NPT | 330850 | Std. | 1/15 | 2950 | ||
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471 | 24 | 1.5" | 1.25" NPT | 330851 | Std. | 1/6 | 3300 | ||
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634 | 32 | 1.5" | 1.5" NPT | 330852 | Std. | 1/6 | 3300 | ||
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797 | 40 | 1.5" | 1.5" NPT | 330852 | Std. | 1/6 | 3300 | ||
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937 | 48 | 2.0" | 2.0" NPT | 330853 | Std. | 1/6 | 3400 | ||
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1087 | 56 | 2.0" | 2.0" NPT | 330853 | Std. | 1/6 | 3400 | ||
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1316 | 67 | 2.0" | 2.0" NPT | 330853 | Std. | **2/5 | 3200 | ||
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1505 | 76 | 2.5" | *2.5" Flange | 330854 | Std. | **2/5 | 3200 | ||
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1690 | 86 | 2.5" | *2.5" Flange | 330854 | Std. | **2/5 | 3200 | ||
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1852 | 95 | 2.5" | *2.5" Flange | 330854 | Std. | **2/5 | 3200 | ||
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*Model
**Use Additional Relay for Single Phase Power. Use Motor Starter for 3 Phase Power.
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