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Diaphragm pressure expansion vessel 100 l for sealed heating and cooling systems, stabilises pressure during temperature changes. More information
Delivery to Belgium (days are avarages)
DHL Express: 1.2 workdays, € 81,07
| Connection size | G 3/4" M |
| Connection Type | External thread |
| Max. operating pressure | 6 bar |
| Temperature | -10...70 °C |
| Volume of the pressure vessel | 100 l |
| Weight | 13.90 kg |
The Flamco Contraflex 100 l pressurised expansion vessel is designed for sealed heating and cooling systems. When heated, the volume of water in the system increases – the vessel absorbs this expansion and helps maintain the system pressure at the correct level. The vessel is fitted with a flexible SBR diaphragm with a rolling action and a nitrogen charge to retain the preset pressure for longer. The fully welded construction with epoxy powder coating (RAL 3002) is designed for long-term operation, and the unit is factory tested.
| Capacity | 100 l |
| Max. operating pressure | 6 bar |
| Preset pressure | 2.5 bar |
| Diaphragm temperature | –10...70 °C |
| Max. flow temperature | 120 °C |
| Connection | G 3/4" M (BSPP-G, ISO 228-1) |
| Diaphragm material | SBR |
| Max. glycol concentration | 50 % |
| Design | fully welded, with feet, vertical installation |
| Certification / compliance | PED 2014/68/EU |
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