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022-554
ElbiAC25 GPM - 25 Ltr Accumulator Pressure Vessel - 25 Ltr - 10 Bar.The ElbiAC25 GPM 25 Litre Accumulator Pressure Vessel - 25 Ltr - 10 bar. is a Pressure Vessel item. This product is manufactured by Elbi.
The accumulator vessel is a device that fitted into a pressurised water system will provide system water at a pre-set sustained pressure.
Its most common application is to supply systems in which the main supply pressure is too low and a pump is fitted to boost the pressure to an acceptable level.
As system demands take place the accumulator vessel will sustain system pressure by feeding additional water into the system at the required pressure.
This process will limit the number of times the pump needs to start (pump hunting) in order that system pressure remains at the optimal level.
The operating pressure of this is 10 bar.
£81.60 RRP £69.36 £57.80Out Of StockFree Standard Delivery
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022-631
Elbi - AFV 24-16 24 Ltr Vertical Accumulator Pressure Vessel - 25 Ltr - 16 Bar.The accumulator vessel is a device that fitted into a pressurised water system will provide system water at a pre-set sustained pressure. This product is manufactured by Elbi. Its most common application is to supply systems in which the main supply pressure is too low and a pump is fitted to boost the pressure to an acceptable level. As system demands take place the accumulator vessel will sustain system pressure by feeding additional water into the system at the required pressure. This process will limit the number of times the pump needs to start (pump hunting) in order that system pressure remains at the optimal level.
The Elbi AFV 24-16 24 Litre Vertical Accumulator Pressure Vessel - 25 Ltr - 16 bar. is a Pressure Vessel item.
The operating pressure of this is 16 bar.
£226.80 RRP £192.78 £160.65In stock
Free Standard Delivery
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RE-8218400
Reflex - N600 Closed Heating & Cooling System Expansion Vessel - 600LtrThe Reflex N 600 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.
In stock
Free Standard Delivery
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ZI-11A0060000
Zilmet - Hydro-Pro Vertical Expansion Vessel - 10 Bar. - 600LtrZilmet Hydro-Pro Vertical Expansion Vessel - 10 Bar. - 600Ltr Zilmet HYDRO‑PRO pressure vessels are designed for potable water and booster systems where stable pressure and efficient pump.
In stock
Free Standard Delivery
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FL-FCST 025
Flamco - 25 Ltr - Flexcon Premium Pressure VesselBuilt 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 life 15-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.
In stock
Free Standard Delivery
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FL-FCST 600/16603
Flamco - 600 Ltr - Flexcon Premium Pressure VesselBuilt 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 life 15-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.
In stock
Free Standard Delivery
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96573349
Grundfos - GT-U-25-V Vertical Cold Water Bladder Tank - 16 Bar. - 25LtrThe Grundfos GT pressure tanks are long-life tanks ideally suited for controlling the pressure in domestic as well as industrial applications in cold-water (drinking-water) systems.
In stock
Free Standard Delivery
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96603426
Grundfos - GT-U-600-V Vertical Cold Water Bladder Tank - 16 Bar. - 600LtrProduct name: GT-U-600, vertical, PN 16
In stock
Free Standard Delivery
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96603451
Grundfos - GT-U-600-V Vertical Cold Water Bladder Tank - 10 Bar. - 600LtrGT-U-600 PN 10 G11/2 V (coated flange)
Grundfos GT-U are bladder pressure tanks with a capacity ranging from 8 to 3000 litres. The tanks are designed for a maximum operating pressure between 10, 16 and 25 bar and a maximum liquid temperature of 70 °C. The tanks are approved for drinking water.
The tanks are steel pressure tanks, with non-toxic butyl rubber bladder enclosed by compressed nitrogen.
A pressure tank ensures controlled pressure in the water supply and thereby limits the switching frequency of the pump unit in case of low water consumption or loss due to leakage. This ensures increased comfort in your installation by limiting the start and stop frequency of your pump. It also creates a more stable assembly by compensating for pressure drops when a tap is opened, while reducing problems with water hammer in the pipes.
In stock
Free Standard Delivery
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7200310
Reflex - HW 25 Home Booster Expansion Vessel - 25LtrThe Refix HW 25 expansion vessel is designed for domestic water systems that are not used in DIN 1988 compliant drinking water installations.
In stock
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REFLEX-7306950
Reflex - DE 600 Pressure Vessel - 600LtrThe Refix DE 600 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
In stock
Free Standard Delivery
Vessels
Pressure vessels and expansion vessels play a big role in keeping systems safe and balanced. Expansion vessels are commonly used in heating and hot water setups, where they absorb the natural rise in water volume as it heats. This keeps pressure under control, reduces the chance of leaks, and protects boilers, pumps, and pipework from damage.
Pressure vessels are found in pressurised water systems, including potable water supplies. By storing water under pressure, they cut down on pump cycling, extend system life, and deliver a steadier, more reliable flow.
At Pumpify, you’ll find both pressure and expansion vessels in a variety of sizes and specifications, so it’s simple to choose the right fit for your project.














