BASEFLEX 25/1,5, 6 bar, expansion vessel for central heating 25303

Nitrogen filling to maintain the pre-pressure longer. Threaded installation connection without paint coating, ensuring trouble-free connection. Thanks to the bag membrane, the water does not come into contact with the steel interior of the vessel. Welded construction. Operating pressure: 6 bar. Suitable for systems with a maximum flow temperature of 120 ° C. & Nbsp; Max. membrane temperature: 70 ° C. The product complies with the Pressure Equipment Directive PED 2014/68/EU.. Antifreeze content - glycol concentration up to 50%. Powder coated dishes - red (RAL 3002).