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Vessels

(198 products)

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  9. Expansion Vessels / Pressure Vessels
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  1. Reflex HW Home Booster Expansion Vessel - 25Ltr

    7200310

    Reflex - HW 25 Home Booster Expansion Vessel - 25Ltr

    The Refix HW 25 expansion vessel is designed for domestic water systems that are not used in DIN 1988 compliant drinking water installations.

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    £78.53 RRP £54.97 £45.81
    Reflex
    In Stock In stock
  2. Reflex N Closed Heating & Cooling System Pressure Vessel - 800Ltr

    n800l

    Reflex - N800 Closed Heating & Cooling System Expansion Vessel - 800Ltr

    The Reflex N 800 diaphragm expansion vessel is designed for sealed heating and cold water systems, providing reliable pressure control in closed-system installations.

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    £2,120.33 RRP £1,484.23 £1,236.86
    Reflex
    In Stock In stock
    Delivery Icon Free Standard Delivery
  3. Zilmet Membrane - 50Ltr

    260100021

    Zilmet - Membrane - 50Ltr

    Zilmet Membrane - 50Ltr The capacity of this is 50 litres. Zilmet expansion and pressure vessels are engineered to maintain stable system pressure and protect system components from.

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    £191.30 RRP £114.78 £95.65
    Zilmet
    In Stock In stock
    Delivery Icon Free Standard Delivery
  4. Reflex DE Pressure Vessel - 18Ltr

    AL-PV18W

    Reflex - DE 18 Pressure Vessel - 18Ltr

    The Refix DE 18 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

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    £69.34 RRP £48.54 £40.45
    Reflex
    In Stock In stock
  5. Reflex DE Pressure Vessel - 600Ltr

    REFLEX-7306950

    Reflex - DE 600 Pressure Vessel - 600Ltr

    The 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

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    £3,118.25 RRP £2,182.78 £1,818.98
    Reflex
    In Stock In stock
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  6. Flamco Airfix Expansion Vessel - P 18Ltr

    25792

    Flamco Flofix - Expansion Vessel - 18Ltr - 10 Bar.

    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

    Maximum working pressure: 10.0 bar.Min./ max. working temperature (bladder): -10 / 100 °C.Appropriate for addition of glycol-based anti-freeze up to 50%.In accordance with Pressure Equipment Directive 2014/68/EU.Colour: Coated aluminium (RAL 9006).Airfix P 50 - 300: With feet. Suitable for central heating: YesSuitable for cooling: YesSuitable for tap water: YesSuitable for solar collector circuit: No With pressure gauge: NoWith safety valve: NoWith mounting material: NoMax. glycol mixture: 50 %

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

    The operating pressure of this is 10 bar.


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    £97.79 RRP £63.56 £52.97
    flamco logo
    In Stock In stock
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Diameter
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  40. 790mm 3 items
  41. 800mm 2 items
  42. 850mm 2 items
Duty Type
  1. Domestic 112 items
  2. Commercial 72 items
Flow Rate
  1. 51 - 100Ltr/min 1 item
Height
  1. 155mm 1 item
  2. 192mm 1 item
  3. 195mm 1 item
  4. 196mm 2 items
  5. 205.5mm 1 item
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Layout
  1. Horizontal 15 items
  2. Inline 14 items
  3. Vertical 105 items
Manufacturer
Elbi 5 items
Flamco 45 items
Global 28 items
Grundfos 40 items
Reflex 18 items
Stuart Turner 2 items
Zilmet 60 items
Max Head
  1. 0 - 10m 103 items
Pressure Rating
  1. 10 Bar 25 items
  2. 16 Bar 16 items
Price
Switch
  1. None 29 items
Water type
  1. Clean Water 5 items
  2. Clean or Discoloured 1 item
Width
  1. 518mm 1 item
Pump Type Filter
  1. Accessories 1 item
  2. Expansion Vessel 28 items
  3. Pressure Vessel 168 items
  4. Spares 1 item
Bars
  1. 4 bar 5 items
  2. 5 bar 2 items
  3. 6 bar 24 items
  4. 8 bar 2 items
  5. 10 bar 64 items
  6. 16 bar 9 items
Vessels

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.