The expansion tanks in this line are entirely made of stainless steel.
Zilmet Inox-Pro Pressure Tanks are especially used for systems that produce sanitary hot water produced by a boiler or from plate heat exchangers. They are excellent choices for situations that requires high hygienic standards and a product life time that is practically limitless. The membrane is absolutely non-toxic and is drinking and food grade. Zilmet Inox-Pro Pressure Tanks are particularly useful for anti-water hammer effect in water systems, preventing vibrations or noises. They can also be used with reduced flow pumps. Available volumes range from 0.16 to 18 litres (0.3 to 4 UK gallons).