The exclusive plastic liner and stainless steel connection ensures effective protection against corrosion and allows the product to be safely used in domestic hot water systems. The heavy duty butyl diaphragm is designed to provide a permanent separation of the water from the air cushion. The tanks are available in sizes from 2 to 21 gallons. The tank’s function is to absorb the increased volume of water which results from the heating process, thereby keeping the system’s pressure below the relief valve settings. The tank is installed in systems equipped with a backflow preventer or as an add-on to direct or indirect water heaters. The precharge can be manually adjusted on site.The DXT Series diaphragm thermal expansion tank is designed for use in domestic system installations for sanitary hot water applications. Provides an attractive, durable appliance like finish obtained through an epoxy paint. Compatible with glycol, solar and cooling systems. Made of proprietary food quality compound which will not release taste or odors in the water. Of solid construction, manufactured in house through an injection molding process. Tanks are sturdy and built to last while at the same time they are lightweight, easy to handle and simple to install. Steel shells are designed to withstands high pressure loads and add safety to your installation. FEATURES & BENEFITS Welded Strong Construction The XT/XTV Series are NOT suitable for domestic installation! Call our factory for compatibility and suitability in special applications. Product is intended for use in hot water, solar and cooling systems and is compatible with glycol only. The BUTYL diaphragm separates the air from the water and prevents waterlogging while saving space and energy. The two shell welded construction allows the tank to withstand high pressure ratings and therefore adds safety to your system. Designed and manufactured by Elbi since 1975, the XT-XTV Series expansion tanks are solid and have proven reliable in millions of installations worldwide. The XT-XTV Series diaphragm expansion tanks are available in sizes from 2 to 132 gallons in either in-line or stand models (see chart).
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