Expansion Tanks are used in a closed loop heating or chilled water HVSC system to absorb the expanding water and to control the pressure in the system.Expansion tanks are fitted with a replaceable type heavy duty butyl bladder which absorbs the expanded water thus avoiding direct water contact with the metal tank. Designed and manufactured as per ASME Section VIII DIV I Replaceable bladder design Vertical configuration with ring support Easy to install Factory Recharge Pressure : 0.83 bar Maximum Operating Temperature 115oC