Hydraulic

Filament-Wound Expansion Tanks with Built-in Rubber Bladder

Item No.: IWM
Filament-Wound Expansion Tanks with Built-in Rubber Bladder are widely used for applications in water supply systems, sanitary hot water systems, and HAVC systems.
* THE TANK WITH A  VOLUME OF LESS THAN 100L HAS NO FEET.
  • Volume:
    24L
    50L
    100L
    150L
    200L
    300L
    500L
    750L
    1000L
  • PN Rating:
    10bar
    16bar
    25bar
  • Bladder:
    Butyl
    EPDM
    TPU
  • Colour:
    Blue
    Grey
    Red
Description Review
Description
APPLICATION
 WATER SUPPLY
In booster systems, vessels are used as buffer tanks to immediately store the difference between the pumped volume flow and the volume flow
actually needed. 
Vessels are also required to decrease the switching frequency of a pump and reduce peak loads.

 SANITARY HOT WATER
When heating sanitary water, pressure rises as the water expands. In the worst case, the excess pressure is decreased by a safety valve, losing valuable heated potable water. The use of IWM pressure vessels remedies this situation by preventing the unnecessary opening of the safety valve and providing for a more efficient, resource-conserving operation of the system.

 HAVC
In closed heating-cooling systems, the water expands or contracts as the system is heated up or cooled down. Expansion vessels are used to compensate for the fluctuations in volume between MAX and MIN temperatures within a permissible range.
IWM pressure vessels are used to maintain pressure in heating, cooling, and solar power systems. The pressurized cushion of gas supports the water column within the system and is set before a reserve of water is poured into the vessel. When the system heats up, the pressure rises and expansion water flows from the external system into the water space: the pressurized cushion of air in the gas space is compressed. When the system cools down and its pressure drops, this counter pressure pushes water from the membrane back into the system. This releases the pressurized cushion of air in the gas space.

COMPARISON


OPERATING CYCLE

  Initial State Of The Tank

           4 bars precharge pressure in the membrane.

              NOTICE: Tanks shipped outside the continental EU and China are not pre-charged.
  Water Begins To Enter The Tank

           Air is compressed in the membrane as the tank fills with water.

 Pump-Up Cycle Completed

           air pressure has reached the cut-off setting of the pressure switch.

 Water Being Drawn From The Tank

           Compressed air in the membrane forces water out of the tank.

 Tank Now Empty

          new cycle ready to begin.





any was founded in Tianhe District, Guangzhou on May 8, 2003
And these two England captains, in fact, were inextricably linked almost 10 years ago. They once attended the same school in London, England. The girl in this photo is now Harry Kane's wife.Beckham has witnessed Kane's growth in the past few years. He once said that Kane had earned the chance for the national team with his outstanding performances.
Our company was founded in Tianhe District, Guangzhou on May 8, 2003
And these two England captains, in fact, were inextricably linked almost 10 years ago. They once attended the same school in London, England. The girl in this photo is now Harry Kane's wife.Beckham has witnessed Kane's growth in the past few years. He once said that Kane had earned the chance for the national team with his outstanding performances.
And these two England captains, in fact, were inextricably linked almost 10 years ago. They once attended the same school in London, England. The girl in this photo is now Harry Kane's wife.Beckham has witnessed Kane's growth in the past few years. He once said that Kane had earned the chance for the national team with his outstanding performances.
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