The ELBI 500 Ltr membrane pressure vessel is a heavy-duty accumulator designed for commercial and large residential water systems. Engineered for reliable water pressure stabilization, pump protection and thermal expansion absorption, this 500‑litre tank supports high-pressure operation up to 16 bar and is available in membrane/bladder configurations to suit potable water and heating applications.

Key features

• Capacity: 500 litres (nominal).
• Maximum rating: 16 bar (model-specific working/max values referenced by manufacturer/resellers).
• Membrane: replaceable EPDM bladder on AF series; fixed high‑strength butyl membranes on some DV models — select the variant that matches your system requirements.
• Designed for complete separation of water and air to prevent corrosion and ensure long service life.
• Robust construction with internal coatings and durable exterior finish for long-term performance in pump/booster and heating systems.
• Typical connections and sizing suitable for booster sets (main connection ~2", aux ¾" on many 500L models); approximate footprint D ~775 mm, H ~1420 mm, weight ~90 kg depending on configuration.

Applications:

Ideal for expansion tank, bladder tank, accumulator vessel, pressure vessel, pump protection, booster pump systems, potable water systems, heating systems, pressure stabilization and thermal expansion control. Optimized for installers, plumbers, OEM pump packages and industrial water treatment projects.

Choose ELBI for proven European manufacturing quality and multiple membrane options to match potable or heating applications. Always confirm the exact model variant and membrane type when ordering to ensure compatibility with system pressure and certification requirements.