Zilmet Solar High Temp Expansion Tank -50 L (13.2G)
October 25, 2017  |  Outdoors

Zilmet Solar High Temp Expansion Tank -50 L (13.2G)
classic space

Zilmet Solar High Temp Expansion Tank -50 L (13.2G)

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  • Zilmet Solar High Temp Expansion Tank -50 L (13.2G)


  • 50L or 13.2 gallon expansion tank


  • Can withstand temperatures up to 212°F


  • CE Certified


  • 3 Year Warranty

Italian Made Zilmet Solar Expansion Tank – Specifically designed for high temperature solar vacuum tube heating applications. The tanks use a patented Zilan High Temperature membrane that can withstand temperatures up to 212F. The Zilmet expansion range is a well suited product for all solar heating system’s, especially when using high temperature solar vacuum tubes. The Zilan Membrane of the tanks can withstand mixture of glycol up to 60%. Principle The expansion tanks have a rubber membrane which separates the solar liquid loop and the other side is filled with pressurized air. As the liquid heats up and expands the pressure of the system increase to an amount greater than the air pressure inside the expansion vessel and causes the membrane to take up more liquid to the air side. This keeps occurring until the expansion tank is completely filled. At that point the pressure of the system has no where to go and will quickly be release through a pressure release valve causing hot glycol to spill over the floor. In order to prevent this, the expansion tank must be sized correctly and the correct initial pressure of the tank must be equal to the design pressure of the system when cold.Sizing This is probably the most important part of designing a solar heating system and has many variables. However we take the guess work out of sizing by proving complete solar system packages with the tank size already factored into the design. You can be assured that when purchasing any of our solar heating system you will be supplied with a safe and reliable expansion tank capable of allowing your system to safely stagnate. For those that want more information on sizing of expansion tanks click on link.

Product information

Product Warranty: For warranty information about this product, please click here

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