Elbi AC 18 CE 18-Liter Diaphragm pressure vessel for Sanitary Water Blue A012J24
Elbi AC 18 CE pressure vessel with interchangeable diaphragm, for drinking water, pressurization, and anti-darietal shock, with the following features:
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Capacity: 18 liters
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Precharge pressure: 2.5 bar
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Maximum pressure: 8 bar
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Fluid compatibility: Potable water / Water + glycol (max 50%)
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Connection: 1 inch
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Height: 400 mm
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Width: 440 mm
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Diameter: 270 mm
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Color: Blue
Compact and efficient solution for sanitary water systems
The Elbi AC 18 CE interchangeable diaphragm pressure vessel is designed to provide stable pressurization in domestic and civil water systems, particularly for drinking water and low-flow systems. With a capacity of 18 liters and compact size, it is ideal for installation directly on pumps or in small spaces, ensuring excellent performance even in small configurations.
Interchangeable EPDM membrane: long life and safety
The reservoir features a durable and flexible EPDM rubber diaphragm that is interchangeable to ensure simplified maintenance and long service life. This material is certified for use with potable water, resistant to temperatures up to +99°C and compatible with up to 50 percent water/glycol mixture, making it suitable for mixed or seasonal systems.
Robust and regulatory-compliant construction
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Epoxy powder-coated carbon steel body, color RAL 5015 blue, for increased resistance to external influences
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1-inch threaded connection, compatible with most common hydraulic standards
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CE approval and compliance with drinking water regulations, ensuring its suitability for sanitary applications
The device is also designed with anti-waterhammer function, protecting the system from damaging pressure surges due to rapid opening/closing of valves.
Recommended applications
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Domestic pressurization systems
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Garden irrigation systems
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Direct installations on pumps
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Small lifting units
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Sanitary applications with expansion tanks up to +99°C
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Systems with mixtures of water and glycol (up to 50%)
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Water hammer protection in water systems
Technical Specifications Elbi Diaphragm pressure vessel
| Parameter | Value |
|---|---|
| Capacity | 18 liters |
| Precharge pressure (PPRE) | 2.5 bar |
| Maximum pressure (PMAX) | 8 bar |
| Operating temperature | -10°C ÷ +99°C |
| Membrane | Interchangeable EPDM rubber |
| Fluid compatibility | Potable water / Water + glycol (max 50%) |
| Connection | 1" (inch) |
| Tank material | Painted carbon steel |
| Finish | RAL 5015 epoxy powder coating |
| Anti water hammer function | Yes |
| Dimensions | Height 400 mm - Width 440 mm - Diameter 270 mm |
| Certifications | CE approval |
Data sheet
- Type: Diaphragm pressure vessels
- Capacity: 18 Liters
: 11

