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Amtrol - Model Extrol ASME -Commercial Hydronic Expansion Tank
FromAmtrol Inc
Extrol ASME commercial expansion tanks are designed to control pressure in closed hydronic heating & cooling systems. Available in diaphragm, partial acceptance bladder and full acceptance bladder designs, these tanks range in size from 6.4 gallons (24 liters) to 3,963 gallons (15,000 liters). Offered with maximum working pressures up to 300 PSIG (21 bar), Extrol is effective at maintaining positive pressure in a wide variety of HVAC systems.
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Diaphragm Design (AX Series):
- Fixed Butyl/EPDM Diaphragm: Industry’s Thickest.
- Factory Pre-Charge: 12 PSIG.
- Max. Operating Temperature: 240º F.
- 3-Year Warranty.
Full Acceptance Bladder Design (L Series):
- Replaceable Butyl Bladder: Industry’s Thickest.
- Factory Pre-Charge: 12 PSIG.
- Max. Operating Temperature: 240º F.
- 3-Year Warranty.
Partial Acceptance Bladder Design (LBC Series):
- Replaceable Butyl Bladder: Industry’s Thickest.
- Factory Pre-Charge: 12 PSIG.
- Max. Operating Temperature: 240º F.
- 3-Year Warranty.
Construction
- Shell: ASME Approved Steel
- Diaphragm: Heavy Duty Butyl/EPDM
- Bladder: Heavy Duty Butyl
- System Connection: Malleable Iron
- Finish: Red Oxide Primer
- Air Valve: Schrader Valve w/ EPDM Seats
- Factory Precharge: 12 PSIG (0.8 bar)
Performance
- Max. Operating Temperature: 240º F (116º C)
- Max. Working Pressure: 125 PSIG (8.6 bar) through 300 PSIG (21 bar).
- Warranty: 3-Year Limited
Application
- For use in closed, non-potable hydronic heating and chilled water systems.
- Meets all ASME Section VIII, Division 1 code standards.
- Available with optional sight glass and seismic restraints.