IIMPAWU ZENKONZO YOMSEBENZI
Kwinkalo yokulondoloza, kuyinyaniso ukuba olu hlobo lwevalve lubalwa ngaphantsi kunalo naluphi na olunye uhlobo, kodwa ivalve ineenzuzo ezibalulekileyo ngolu hlobo lulandelayo:
1.Ubomi obuluncedo buqinisekisiwe.
2.Kukho ingono yegrisi kuzo zonke iintsimbi zevalve yesango phantsi kwemveliso yangoku ukuqinisekisa ukuthanjiswa okuchanekileyo phezu kwetyholo ledyokhwe.
Imisonto ekwisikhondo kulo lonke uhlobo lwevalvu yokutywina kufuneka igcinwe icocekile ukuba kuyenzeka kwaye ithanjiswe ngamaxesha athile ngegrisi yobushushu obuphezulu.
Kucetyiswa ukuba ukugcinwa kokuthintela kufuneka kuqhutywe ubuncinane kwiinyanga ezintathu.
Ukugcinwa kunokubaluleka ngokukodwa xa ivalve iqeshwe kwisicelo sokushisa okuphezulu kwimeko apho kuyimfuneko ukusebenzisa igrisi yohlobo lobushushu obuphezulu.
Ngeli xesha, kuyinqweneleka ukuba i-valve iqhutywe ukusuka evulekileyo ukuya ekuvaleni, kwaye ngokufanayo.
UKUKHETHWA KWEVALVI
Njengesikhokelo esiqhelekileyo ekukhethweni kwevalve efanelekileyo kwisicelo esithile, i-valve yesango kufuneka isetyenziswe ngokukodwa kwi-steam ephantsi okanye ephakathi yoxinzelelo, imigca yokulandela umphunga, okanye ezinye iinkonzo ezifana nokudluliselwa kobushushu. Ivalve yeglowubhu kufuneka ikhethelwe umphunga ophakathi okanye woxinzelelo oluphezulu, apho ukwahlukaniswa kweenqanawa kunokubandakanyeka kwingxaki yokhuseleko. Ikwasetyenziselwa ukuphatha imithombo yeendaba enetyhefu okanye eqhumayo kwaye kuyo yonke imeko apho inkathazo inokuthi yenzeke kulawulo lokuhamba.
Kufuneka kuqatshelwe ukuba sinevalve eyenzelwe ngokukodwa apho ukubaleka okomileyo kwigesi okanye ulwelo kuthintelwe ngokupheleleyo. Kwivalve, ukupakishwa kwesikhondo sesiqhelo kutshintshwa ngenwebu yesinyithi ethambileyo apho zonke iindlela ezivuzayo ezinokubakho ngesiqu okanye ngokudityaniswa komzimba/kwebhonethi.
Iiyunithi ze-bellows ezifakwe kule valve zivavanyelwe umjikelo wobomi ukuya ekutshatyalalisweni, okukhokelela kwiziphumo zovavanyo ezanelisayo ezihlangabezana nexesha lobomi, ubushushu, kunye neemfuno zoxinzelelo lwe-ASME B16.34.
Ixesha lokuposa: May-19-2021