Zilmet LH Ulta-Pro Horizontal Expansion Tanks - pressure vessels designed to provide a storage facility and pressure reservoir for water at temperatures up to 99ºC. Common uses are in water booster sets, heating pressurization and fill sets. Comes supplied with Stainless steel flanges.
The PUK – Zilmet pressure vessels are made up of a replaceable Butyl diaphragm mounted in a mild steel shell eliminates any contact between the water and the steel shell of the vessel.
All units up to and including 25 litre sizes are suitable for a working pressure of 8 bar and the larger vessels 10 bar (except 1000LV).
The vessel is supplied pre-charged with air, but this pressure may require adjustment to suit the site conditions this adjustment must made with the vessel isolated from the system and before filling with water.