Diaphragm expansion vessel CONTRAFLEX-150, 150L, 3.0/6 bar / 70 pcs., G3/4"M threaded connection, red color RAL 3002, for heating and cooling systems, vertical 17119

For closed heating (according to EN12828) and cooling installations.

When the temperature in the installation increases, the volume of the charge increases. The change in the volume of the installation water is temporarily stored in the expansion vessel to maintain the pressure in the installation at the proper level.

Technical specification:

• Max. working pressure: 3 or 6 bar
• Vessels according to 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 feature a galvanized ring connecting the two halves
• Product compliant with Pressure Equipment Directive PED 2014/68/EU
• Powder-coated vessels - red color (RAL3002)
• Contraflex 35 - 80: standardly equipped with feet