Iphampu ayidingi ukulawulwa kwe-PLC futhi igcotshwe ngezikhathi ezithile ngemoto evumelanayo enesivinini esihlukile sokukhipha esishayela i-plunger ngesiqu se-turbine. A - I-valve yendlela ihlinzekwa ukuvimbela ukubuyela emuva kwamafutha akhishwe. Ukufaka nokusebenzisa indlela, ukonga amandla nokuvikelwa kwemvelo. Ukuvunywa kwamafutha asetshenzisiwe: 32 - 150 CST.
D