Vessels

(374 products)

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  1. Flow Through Vessels

    Flow through ve ...

  2. Heating Expansion Vessels

    Heating expansion vessels are a key part of any ...

  3. Potable Pressure Vessels

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  1. Flamco Flexcon Expansion Vessel - 1000Ltr

    16903

    Flamco - 1000 Ltr - Flexcon Expansion Vessel - 6 bar

    Flamco Flexcon Expansion Vessel - 1000Ltr - Engineered for EN 12828 heating and chilled-water systems, this Expansion Vessel stabilises sealed system pressure by absorbing thermal expansion in LPHW/CHW applications.

    Maximum working pressure: 6.0 bar.

    Vessels in accordance with EN13831.

    Suitable for systems with a maximum system temperature of 120 °C.

    Minimum / maximum temperature diaphragm: -10 / 70 °C.

    Suitable for addition of glycol-based anti-freeze up to 50%.

    A flexible rolling diaphragm with a ribbed profile prevents sticking and encourages inflow at the slightest pressure rise, while a nitrogen pre-charge helps maintain set pressure longer. The uncoated connection thread supports quick, watertight installation.

    • Rolling-diaphragm design for smooth expansion control
    • Nitrogen pre-charge for extended pre-pressure retention
    • Top-quality steel with epoxy-powder finish
    • Factory tested for reliability

    Built for long service life in domestic, commercial and industrial plant rooms, with continuous medium temperatures from −10 to 70 C.

    £3,100.74 RRP £2,015.48 £1,679.57
    In Stock 2-3 day delivery
    Delivery Icon Free Standard Delivery
  2. Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 Bar

    22000

    Flamco - 100 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £1,703.86 RRP £1,107.50 £922.92
    In Stock In stock
    Delivery Icon Free Standard Delivery
  3. Flamco Flexcon M Expansion Vessel - 200Ltr - 3-6 Bar

    22001

    Flamco - 200 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 200Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £1,793.53 RRP £1,165.80 £971.50
    In Stock In stock
    Delivery Icon Free Standard Delivery
  4. Flamco Flexcon M Expansion Vessel - 300Ltr - 3-6 Bar

    22002

    Flamco - 300 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 300Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £2,724.40 RRP £1,770.85 £1,475.71
    In Stock In stock
    Delivery Icon Free Standard Delivery
  5. Flamco Flexcon M Expansion Vessel - 400Ltr - 3-6 Bar

    22003

    Flamco - 400 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 400Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £3,097.52 RRP £2,013.38 £1,677.82
    In Stock In stock
    Delivery Icon Free Standard Delivery
  6. Flamco Flexcon M Expansion Vessel - 500Ltr - 3-6 Bar

    22004

    Flamco - 500 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 500Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £3,389.79 RRP £2,203.37 £1,836.14
    In Stock In stock
    Delivery Icon Free Standard Delivery
  7. Flamco Flexcon M Expansion Vessel - 600Ltr - 3-6 Bar

    22005

    Flamco - 600 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 600Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £3,670.34 RRP £2,385.72 £1,988.10
    In Stock In stock
    Delivery Icon Free Standard Delivery
  8. Flamco Flexcon M Expansion Vessel - 800Ltr - 3-6 Bar

    22006

    Flamco - 800 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 800Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £4,296.22 RRP £2,792.54 £2,327.12
    In Stock In stock
    Delivery Icon Free Standard Delivery
  9. Flamco Flexcon M Expansion Vessel - 1000Ltr - 3-6 Bar

    22007

    Flamco - 1000 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £5,498.17 RRP £3,573.82 £2,978.18
    In Stock In stock
    Delivery Icon Free Standard Delivery
  10. Flamco Flexcon M Expansion Vessel - 1200Ltr - 3-6 Bar

    22108

    Flamco - 1200 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £7,688.25 RRP £4,997.36 £4,164.47
    In Stock In stock
    Delivery Icon Free Standard Delivery
  11. Flamco Flexcon M Expansion Vessel - 1600Ltr - 3-6 Bar

    22109

    Flamco - 1600 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £8,824.93 RRP £5,736.20 £4,780.17
    In Stock In stock
    Delivery Icon Free Standard Delivery
  12. Flamco Flexcon M Expansion Vessel - 2000Ltr - 3-6 Bar

    22110

    Flamco - 2000 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £9,919.79 RRP £6,447.86 £5,373.22
    In Stock In stock
    Delivery Icon Free Standard Delivery
  13. Flamco Flexcon M Expansion Vessel - 2800Ltr - 3-6 Bar

    22118

    Flamco - 2800 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £12,619.06 RRP £8,202.38 £6,835.32
    In Stock In stock
    Delivery Icon Free Standard Delivery
  14. Flamco Flexcon M Expansion Vessel - 3500Ltr - 3-6 Bar

    22111

    Flamco - 3500 Ltr - Flexcon M Expansion Vessel - 3-6 Bar

    Flamco Flexcon M Expansion Vessel - 100Ltr - 3-6 bar. - Tailored for sealed heating and chilled-water systems, the Flexcon M 100/3.0 [6Bar] is a replaceable-bladder expansion vessel designed to stabilise pressure in accordance with EN 12828.

    It excels where static pressure and safety-valve setpoint differ significantly, helping maintain pre-pressure while minimising cycling. Supplied ready to install with a pressure gauge and height-adjustable feet, plus an inspection flange for servicing.

    • Replaceable butyl bladder for fast maintenance
    • Pressure gauge and height-adjustable feet included
    • Inspection flange for internal access
    • Robust steel vessel with durable epoxy-powder finish
    • Uncoated connection thread for easy, watertight installation

    For larger models (12008000 Ltrs), a Flexvent Super can be fitted to enhance air removal.

    £17,747.28 RRP £11,535.73 £9,613.11
    In Stock In stock
    Delivery Icon Free Standard Delivery
  15. Elbi AFV 24-16 24 Litre Vertical Accumulator Pressure Vessel

    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 £160.65
    In Stock In stock
    Delivery Icon Free Standard Delivery
  16. Mikrofill MikroPro Expansion Vessel - 80 Litre - 6 Bar - No Bracket

    290080

    Mikrofill - MikroPro Expansion Vessel - 80 Ltr - 6 Bar. - No Bracket

    The MikroPro Expansion Vessels range serves almost any LPHW or CHW system, with capacities from 8500 Ltrs. Models up to 25 Ltrs are wall-mounted, while 35 Ltrs and above are floor-standing. This is a floorstanding vessel.

    With an 80Ltr capacity with an operating pressure of 6 Bar., this is built for performance, reliability and compliance, MikroPro vessels are PED 97/23/EC compliant, rated to a maximum operating temperature of 70 C, and available with pressure ratings of 3 Bar (835 Ltrs) or 6 Bar (501000 Ltrs). Threaded connections and a durable powder-coated finish simplify installation and maintenance.

    • Capacities: 8500 Ltrs
    • Mounting: wall (≤25 Ltrs) or floor (≥35 Ltrs)
    • Ratings: up to 70 C, 36 Bar (model dependent)
    • Applications: heating and chilled water systems

    A versatile, robust choice for commercial and large domestic systems requiring stable expansion capacity and long service life.

    £159.00 RRP £181.26 £151.05
    In Stock In stock
    Delivery Icon Free Standard Delivery
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Vessels

Vessels are key to keeping water and heating systems safe, reliable, and running efficiently. They help manage pressure, protect components, and make sure everything works smoothly day after day. At Pumpify, we offer vessels from top manufacturers like Flamco, Mikrofill, Stuart Turner, and Zilmet, so you can pick the right option with confidence.

 

From classic pressure and expansion vessels that balance system pressure to smart heating vessels that adjust automatically, there’s a solution for every setup. Maybe a flow-through vessel to keep water moving and prevent stagnation is what you need, or a potable water vessel for safe drinking water storage and regulation suits your project better.

 

With Pumpify, it’s easy to find the right vessel, helping your projects run smoothly and efficiently, every time.