XTV-40 - Standing Diaphragm Hydronic Expansion Tank - 21 Gallon
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Elbi XTV-40 - Standing Diaphragm Hydronic Expansion Tank – 21 Gallon
The Elbi XTV-30 is a 21-gallon diaphragm expansion tank designed for use in hydronic heating, solar thermal, and closed-loop cooling systems. Part of Elbi’s XT-XTV Series, this tank features a durable steel shell with welded construction and a heavy-duty Butyl diaphragm that permanently separates air and water to prevent waterlogging and ensure reliable pressure control.
Designed for non-potable applications, the XTV-40 is compatible with glycol-based systems and operates at a maximum working pressure of 90 PSI and temperature up to 210°F. Manufactured by Elbi since 1975, the XT-XTV Series is field-proven in millions of installations for its reliability and safety.
Features
- 21-gallon tank with 814 gallons of acceptance volume
- Heavy-duty Butyl diaphragm withstands up to 240°F
- Two-shell welded steel construction ensures long-term performance and safety
- 90 PSI max working pressure
- Epoxy gray painted exterior for a clean, durable finish
- 12 PSI factory precharge, field adjustable
- Lightweight and easy to install
Applications
- Hydronic heating systems
- Solar thermal systems
- Closed-loop chilled water or cooling systems
- Glycol-compatible systems (non-potable only)
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