Amanqaku amahlanu aphambili okufakelwa kwevalve eqhelekileyo yofakelo lwevalvu yomoya oshushu, ukusetyenziswa kunye nokugcinwa
Amanqaku amahlanu aphambili ofakelo lwevalvu eqhelekileyo yofakelo lwevalvu yomoya oshushu, ukusetyenziswa kunye nokugcinwa kweevalve ezininzi ziya kwicala. Umzekelo, ivalve yeglowubhu, ivalve ye-throttle, ivalve yokunciphisa uxinzelelo, ivalve yokukhangela, njl., ukuba ifakwe umva, iya kuchaphazela ukusetyenziswa kwe-eff...
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