EXPANSION DIAPHRAGM VESSEL FOR CO 50L CONTRAFLEX 32649 FLAMCO

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

When the temperature in the installation rises, the volume of evil increases. The change in the volume of installation water is temporarily stored in an expansion vessel to maintain the pressure in the installation at the right level.

✅ Membranes adapted to antifreeze.

✅ Nitrogen filling to maintain pre-pressure longer.

✅ Threaded connection of the installation without paint coating for trouble-free connection.

✅ Each vessel is factory tested.

▶️ Max. Working pressure: 3 or 6 bar. 

▶️ Tanks compatible 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: elastic rubber.

▶️ The dishes have a galvanized ring connecting the two halves.

▶️ The product complies with the Pressure Equipment Directive PED 2014/68/EU. 

▶️ Powder-coated dishes - red (RAL 3002). 

▶️ Contraflex 35 - 80: standard with legs

Attributes 

▶️ For central heating Yes 

▶️ For refrigeration systems Yes 

▶️ For domestic water No

▶️ For solar installation No

▶️ Capacity  50 liters

▶️ Prepressure 1.5 Bar

▶️ Max. working pressure 6 Bar

▶️ With wall bracket attached Yes 

▶️ Portrait position : Yes 

▶️ Maximum continuous medium temperature 70 °C 

▶️ Landscape Yes

▶️ With legs Yes 

▶️ With replaceable membrane No 

▶️ Nominal inner diameter of expansion connection 3/4 inch Dn20

▶️ Outer diameter of expansion connection 26.5 Millimeters

▶️ Connection type External thread gas conical (BSPT) 

▶️ Membrane/bladder material

▶️ Color: Red 

▶️ Diameter 405 millimeters

▶️ Height 493 millimeters

▶️ With pressure gauge / pressure gauge No

▶️ With safety valve No 

▶️ With mounting material No 

▶️ Max. glycol concentration 50%

Dimensions

▶️ A [mm] 437  

▶️ B [mm]493  

▶️ Ø C [mm] 263 

▶️ D [mm] 134 

▶️ Connection (E)R 3⁄4" 

▶️ Weight [kg] 11,4