Diaphragm expansion vessel CONTRAFLEX-100, 100L, 3.0/6 bar / 70 °C, threaded connection G3/4" male, red RAL 3002, for heating and cooling systems, standing 17114

For closed heating (according to EN12828) and cooling systems. As the temperature in the system rises, the volume of the coolant increases. The change in volume of the system water is temporarily stored in the expansion vessel to maintain the pressure in the system 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 connecting ring between the two halves
• Product complies with Pressure Equipment Directive PED 2014/68/EU
• Vessels powder coated - red color (RAL3002)
• Contraflex 35 - 80: standardly equipped with legs.