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Messer Hardware

“Clapet-Nozzles" for Direct Injection of LCO2 and GCO2

Even at relatively low substance concentrations (≥ 1%), the use of many commercially available nozzle types leads to blockage problems. For optimum process control, Messer relies on the use of patented feed nozzles, "Clapet nozzles", for dosing gaseous or liquid CO2. The nozzles are process medium controlled and require very little maintenance; integration into the customer process can be achieved with little effort. Their special structure prevents the penetration or adhesion of material.


  • Process-medium controlled – easier operation
  • Simple installation
  • Cost-efficient
  • No material penetration

Clapet-nozzles of variable sizes