Objectives of prerinsing with 15 bar PR nozzle:

  1. Fast complete and careful moistening of all dirty surfaces with water and therefore to stop timeful drying.
  2. Fast and efficient remouval of bacteriological highly contaminated main-residues.
  3. Prevent uncontroled and timeful splashing as a result of too much pressure.
  4. Any where no more big dirty, because after foam the cleaning happens with 20-25 bar nozzle.