PV48 vacuum breaking valve
Uhlobo: i-vacuum yamandla enyukliya ephula i-valve
Imodeli: ZKPHF41F-150 150Lb, ZKPHF21F-300 300Lb
Ububanzi Okuzisholo: DN 20-50
Umkhiqizo usetshenziselwa iyunithi ye-AP1000 njengemishini yokudonsa ingcindezi engemihle ukuze uvimbele ukucindezela kwawo okuphansi okudlulele ukuthi kungalimazi okokusebenza.
1.Ngohlobo lwe-spring vacuum decompression, i-vacuum breaking valve ifaka ukucindezela okungaguquki okulula nokulungisa nokufaka okulula. I-valve iklanywe ngokwezinga ngalinye lokucindezela futhi ingcindezi yokuklama yayo inkulu kunokucindezela kwayo okuphezulu okusebenzayo ngaphansi kwezinga lokushisa lendawo yokusebenza. I-valve core ivula futhi ivale ingxenye yevalvu futhi iringi yophawu lwe-O-type ifakwe emseleni we-valve core ukuze yenze ingxenye yokuvala i-valve core. Lapho i-valve ivala, i-O-type seal ring ithintana nokuvalwa kwesihlalo se-valve; lapho i-valve igxuma futhi iphuma, i-O-type seal ring ishiya indawo yokuvala yesihlalo se-valve. Lapho i-valve core ibuyela emuva, intwasahlobo iyanwebeka futhi ingxenye evulekayo nevalayo ikhuphuka ihambisane nembobo eqondisayo yesihlalo se-valve; lapho i-valve core ivuleka, i-spring compresses kanye nengxenye yokuvula neyokuvala yehla ngembobo eqondisayo yesihlalo se-valve.
2.I-vacuum breaking valve, ivalvu ezenzakalelayo, ayidingi idrayivu eyengeziwe lapho iqala ukusebenza. Esimeni esijwayelekile sokusebenza, amandla ahlangene entwasahlobo naphakathi asetshenziswa kudiski ye-valve acindezela i-valve disc ibheke esihlalweni sevalvu ukwenza indawo yokuvala ibambelele futhi ivaleke; lapho ingcindezi emaphakathi yehla ibe inani elicacisiwe le-vacuum (okungukuthi ingcindezi engemihle ifinyelela ekubekeni ingcindezi), intwasahlobo iyacindezelwa, i-valve disc ishiya isihlalo sevalvu, kungena umoya wangaphandle kanye nomfutho wesistimu uyakhuphuka; lapho umfutho wesistimu ukhuphuka ube inani lokusebenza, isiphethu sidonsa idiski ye-valve ibheke esihlalweni sevalvu futhi indawo yokuvala ibambelele futhi ukuze ibuyele esimweni sokusebenza esivamile.
