Diaphragm expansion vessel CONTRAFLEX-12, 12L, 1.5/3 bar / 70 degrees, connection

• For closed heating (in accordance with EN12828) and cooling systems.

• As the temperature in the system increases, the volume of the system increases.

• The changing volume of system water is temporarily stored in the expansion tank to maintain the system pressure at the correct level.

• Technical specifications:

• - Max.

• working pressure: 3 or 6 bar

• - Tanks compliant with EN13831

• - Suitable for systems with a maximum system temperature of 110°C

• - Min. / max.

• membrane temperature: -10 / 70°C

• - Antifreeze content - glycol concentration up to 50%

• - Membrane: flexible rubber

• - Vessels have a galvanized ring connecting the two halves

• - Product compliant with the Pressure Equipment Directive PED 2014/68/EU

• - Powder-coated vessels - red color (RAL3002)

• - Contraflex 35 - 80: standard equipped with legs