Pre-charged Bladder & Diaphragm Expansion Tanks ASME (B,D)
Pre-charged Expansion Tanks contain either a bladder or a diaphragm to separate the air charge from the system water. Tanks are design to absorb the expansion forces of heating/cooling system water while maintaining proper system pressurization under varying operating conditions.
Series B
- Designed and constructed according to ASME Section VIII, Division 1
- Heavy duty full acceptance replaceable butyl bladder
- Sizes: 10 – 3,963 gallons
- Factory pre-charge to 12 PSI, adjustable in the field
- High pressure models up to 250 PSI available
- Seismic restraints available
- California-code sight glass available
- Integrated bladder integrity monitor included on all tanks
Series D
- Designed and constructed according to ASME Section VIII, Division 1
- Economical fixed butyl diaphragm
- Sizes: 8 – 211 gallons
- Suitable for both vertical and horizontal installations
- Factory pre-charge to 12 PSI, adjustable in the field
- Seismic restraints available
- California-code sight glass available
- Integrated diaphragm integrity monitor included on all tanks
Technical Brochures
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Installation/Operation Manuals
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- Bell & Gossett
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- Comp./Exp. Tanks & Air Separators
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- Air Control
Air Control
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Expansion Tanks
Expansion Tanks for Hydronic Heating & Potable Water Systems
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Series "HFT" Expansion Tanks
Series "HFT" Residential/Light Commercial HVAC Diaphragm Expansion Tanks
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Series "PTA" (ASME) Expansion Tanks
Series "PTA" (ASME) Residential/Commercial Potable Water Diaphragm Expansion Tanks
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ROLAIRTROL Air Separator
The ROLAIRTROL Air Separator
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Rolairtrol/SRS Manual Blowdown Valve
Rolairtrol/SRS Model MBV-1 Manual Blowdown Valve
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ASME Compression Tanks
ASME Compression Tanks
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Series "D" (ASME) Expansion Tanks
Series "D" (ASME) Pressurized Expansion Tanks Horizontal
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Series "D" (ASME) Expansion Tanks
Series "D" (ASME) Pressurized Expansion Tanks Vertical
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Series "B" (ASME) Expansion Tanks
Series "B" (ASME) Pressurized Expansion Tanks
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CRS 2” – 12” Standard Velocity w/ Removable Head
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CRS 2” – 12” High Velocity w/ Removable Head
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CRSN 2” – 12” Standard Velocity w/ Non-Removable Head
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CRSN 2” – 12” High Velocity w/ Non-Removable Head
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CRS 14” – 24” Standard Velocity w/ Removable Head
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CRS 14” – 24” High Velocity w/ Removable Head
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CRSN 14” – 24” Standard Velocity w/ Non-Removable Head
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CRSN 14” – 24” High Velocity w/ Non-Removable Head
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CRSA 2” – 12” Air Standard Fixed
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CRSA 2” – 12” Air High Velocity Fixed
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CRSD 2” – 12” Dirt Standard Removable
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CRSD 2” – 12” Dirt High Velocity Removable
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CRSDN 2” – 12” Dirt Standard Fixed
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CRSDN 2” – 12” Dirt High Velocity Fixed
Submittals
- PDF254 KBPDF255 KBPDF221 KBPDF220 KBPDF226 KBPDF255 KBReady to select this tank as well as pumps, accessories, air/dirt separators, and PIC valves? Click below to open the new Bell & Gossett ESP-Systemwize selection tool and enter your duty points to begin selecting the most energy efficient model for your system: ESP-Systemwize
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