IValve yeBhala yeNcwadana yeKPF

Ivalve yokulinganisa luhlobo lwesivalo esinomsebenzi okhethekileyo. Ineempawu zokuhamba kakuhle. Inokusasaza ukuhamba ngokufanelekileyo kwaye ilinganise ukuhamba. Iyakwazi ukusombulula ngokufanelekileyo ingxaki yokupholisa okungalinganiyo kunye nokufudumeza kwiqondo lokushisa lokushisa kwindawo yokufudumala (i-air conditioning) inkqubo yefriji. Ekubeni i-valve ixhotyiswe ngesalathisi sokuvula, idivaysi yokuvala ukuvula kunye ne-valve encinci yokulinganisa ukuhamba, nje ngokuba i-valve yokulinganisa eneenkcukacha ezifanelekileyo ifakwe kwisebe ngalinye kunye nokungena komsebenzisi, kwaye itshixiwe emva kokutshatyalaliswa kwexesha elilodwa ngesixhobo esikhethekileyo esihlakaniphile, umthamo wamanzi opheleleyo wenkqubo ulawulwa ngaphakathi koluhlu olufanelekileyo lwefriji, ngaloo ndlela lunqoba "ukuhamba okukhulu". Into engafanelekanga "yobuninzi, umehluko omncinci weqondo lokushisa". Le mveliso iyimveliso efanelekileyo kwinkqubo yokufudumala.