Compact horizontal accumulator / pressure vessel designed for booster and domestic water systems. The ELBI AC25 GPM combines a replaceable EPDM bladder, a sturdy pump-mounting plate and a corrosion-resistant epoxy-coated steel shell to stabilize pressure, reduce pump cycling and extend pump life. This model is well suited for small booster sets, irrigation and potable water applications where consistent pressure and reduced pump starts are required.

Key features

• Brand: ELBI
• Model: AC25 GPM / horizontal bladder accumulator
• Capacity: ~24–25 L (nominal bladder volume for AC25 series).
• Membrane: Replaceable EPDM bladder — suitable for potable water.
• Working pressure: commonly specified 8 bar (10 bar maximum design rating).
• Connections: standard 3/4"–1" pump port options with BSP mounting plate for direct pump attachment.
• Finish: epoxy powder coating for enhanced corrosion resistance and long service life.
• SKU: 022-554

Applications & benefits

Use the ELBI AC25 GPM as a pressure stabilization vessel in domestic booster sets, small commercial systems, garden irrigation and pump-fed potable water loops. Benefits include reduced pump on/off cycles (less hunting), improved flow smoothing, temporary water buffering during peak demand and prolonged pump and switch life. Its compact horizontal form factor makes it easy to mount close to pumps and inside tight enclosures.

Technical summary