Complete Pump Supplies | Supplier Domestic Water Pumps & Booster Pumps

Reflex 25 Litre Flow Through Potable Expansion Vessel

Reflex 25 Litre Flow Through Potable Expansion Vessel

altecnic-flow-through-series-potable-vessels

Product code: PVA25G
£270.00
£324.00 inc. VAT
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Description

Reflex 25 Litre Flow Through Potable Expansion Vessel

The flow through series of potable water vessels for use in the home and are ideal for using with water heaters as a way of saving money. 

Water flows through the vessel, it has a stainless steel connection and thereby meets the ultra exacting hygiene requirements of DIN 1988. 

The T piece required is supplied with the unit and the Flowjet flow through valve is optionally available.

Altecnic offer a complete range of flow through expansion vessels for use with potable water. The expansion vessels are manufactured to meet the requirements of PED 97/23/EC Directive and BS EN 13831:2007 ‘Closed expansion vessels with built in bladder for installation in water’.

Manufactured in carbon steel with a two or three part weld construction. Pre-pressurised air chamber with synthetic rubber compound bladder. The internal surfaces of the vessel in contact with the water are coated against corrosion. External surfaces have a green durable powder coated finish. Suitable for temperatures up to 70˚C, resistant to ethylene or propylene glycol mixtures and has low gas permeability. Available with ‘flowjet’ 4 function valve. Rp¾ bronze ‘Tee’ supplied as standard for easy installation 33 litre vessel has integral wall mounting bracket. Altecnic expansion vessels are all tested according to the Pressure Systems Directive. How It Works In a closed hot water circuit, the water cannot be compressed so any increase in volume, created by an increase in temperature, has to be accommodated by an expansion vessel. When water is cold, the pre-charge pressure forces the bladder to collapse until the pump is started when the bladder starts to inflate. As the temperature in the system increases, with the associated increase in pressure and volume, the expanded water enters the bladder creating additional volume and lowering the pressure. When the temperature decreases, the pre-charge pressure forces the water from the bladder and back into the main water circuit.

Component Material
Shell Carbon steel
Connection Stainless steel
Bladder Synthetic rubber compound
Coating Powder epoxy
Technical Specification  
Max. working pressure: 10 bar
Max. operating temperature: 70˚C
Factory air pre-charge: 4.0 bar - nitrogen
Non Replaceable bladder  
System water connection thread: BE EN ISO 228 - male parallel

 

Product Code Capacity (litres) Dimmension (mm) Height (mm) Connection  Weight (kg)
PVA25G 25 280 515 G 3/4 5.7

Flowjet Valve

The Flowjet valve enable 4 functions to be performed easily.

  • Continuous water flow through the bladder helping to maintain the quality of the potable water by minimising stagnation.
  • Isolation should the expansion vessel need to be removed
  • Drain facility
  • Bypass

Video

 

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Delivery

Delivery Information

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*Unless otherwise stated on individual items* 

Products purchased under £100.00 will incur a £6.95 delivery charge.

Standard Delivery Orders over £100.00 (3-5 working days)* - Free shipping for in stock items to mainland UK*. 

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