Flamco - 25 Ltr - Flexcon Premium Pressure Vessel

The Flamco - 25 Ltr - Flexcon Premium Pressure Vessel is a pressure vessel designed to support pressure stability within the system and reduce rapid cycling.

It is built to help protect connected equipment and smooth system operation while giving installers and end users a practical, dependable solution for the application.

Built for sealed heating (EN 12828) and chilled-water systems, Flexcon Premium Expansion Vessels stabilise system pressure by absorbing thermal expansion so plant runs safely and efficiently.

A new TPO (thermoplastic polyolefin) diaphragm on 1235 Ltrs models delivers high flexibility and extremely low permeability, helping the pre-charge hold for longer. Lighter construction cuts material use and transport emissions; packaging is FSC-certified to reduce CO₂ impact.

• Sustainable design lighter TPO membrane uses up to 50% less material
• Long service life15-year warranty
• Low permeability pre-charge pressure maintained for longer
• Heating & cooling suitable for LPHW and CHW installations

Vessels comply with EN 13831 and the Pressure Equipment Directive 2014/68/EU. Red epoxy powder coating (RAL 3002). Flexcon Premium 3580 are supplied with feet and a mounting kit.

Key Product Features

• Applications: sealed heating (EN 12828) and chilled water systems
• Membrane: TPO plastic diaphragm on 1235 Ltrs models; high flexibility & low permeability
• Working pressure: max 6.0 Bar
• System temperature: max 110 C
• Diaphragm temperature:−10 / 90 C
• Media: suitable for glycol-based anti-freeze up to 50%
• Compliance: EN 13831; PED 2014/68/EU
• Finish: red epoxy powder coat (RAL 3002)
• Accessories: Flexcon Premium 3580 with feet and mounting kit
• Warranty:15 years

Flamco (est. 1956) is a Dutch manufacturer of HVAC and plumbing system components, including expansion vessels, air separators and pressurisation accessories. Their ranges are used in heating and chilled-water circuits and potable water systems across domestic and commercial installations.