The Refix DE 500 diaphragm expansion vessel is designed for water supply installations that are not subject to DIN 1988 requirements, making it suitable for specialist systems such as fire extinguishing installations, service water systems

Zilmet Ultra-Pro Vertical Expansion Vessel - 10 Bar. - 500Ltr Zilmet ULTRA‑PRO pressure vessels are designed for high‑performance potable water and booster systems where reliability and.

Zilmet Hydro-Pro Vertical Expansion Vessel - 10 Bar. - 500Ltr Zilmet HYDRO‑PRO pressure vessels are designed for potable water and booster systems where stable pressure and efficient pump.

Built for sealed potable hot and chilled water systems in domestic and commercial settings, these Potable Water Expansion Vessels stabilise pressure by absorbing thermal expansion for safe, reliable operation.

A nitrogen pre-charge helps retain set pressure longer, while a single threaded steel connection with plastic insert provides a durable, non-flow-through design. Suitable for central heating, cooling and tap water applications (not for solar collector circuits).

• Nitrogen gas filling for longer pre-charge retention
• Single threaded steel connection with plastic insert (no flow-through)
• Potable use supports domestic hot/chilled water
• Heating & cooling compatible for sealed systems

Designed for long service life with broad operating limits and glycol tolerance for demanding installations.

MikroPro Potable XP Expansion Vessel - 500 Litre Capacity - 10 bar. This range serves heating, chilled and potable (drinking) water systems, with capacities up to 500 Ltrs to suit a wide variety of installations for commercial or residential. This item comes without a wall mount bracket.

Built for hygiene and durability, all internal surfaces in contact with water are corrosion-protected for potable use, and models from 50–500 Ltrs feature a replaceable diaphragm for straightforward maintenance.

• Capacity options: 12–500 Ltrs
• Rated pressure: up to 10 Bar
• Potable-safe construction: coated internal wetted surfaces
• Serviceable design: replaceable diaphragm (50–500 Ltrs)

Vessels are PED 97/23/EC compliant, rated to 70 °C, and supplied with threaded connections and a durable powder-coated finish for long service life.

The Flamco Flofix is a Potable water expansion vessel, for use in domestic and commercial sealed chilled and hot water systems.

Nitrogen gas filling for longer retention of pre-pressure. This product is manufactured by Flamco. The thread of the system connection is uncoated, ensuring problem free connection.

Technical Specifications

The Flamco Flofix Expansion Vessel - 18Ltr - 10 bar. is a Expansion Vessel item.

The operating pressure of this is 10 bar.

Vessels to protect Flexcon expansion vessels on elevated temperature systems. The vessels are fitted in between the expansion vessel and the system return. System water flows from the installation into the top of the vessel. From the bottom of the vessel, significantly cooler water is fed into. Capacity 500 Ltr.