Isazi Sokulawulwa Kokugeleza Kwamanzi Okuphephile, Okonga Amandla kanye Nokwemvelo

I-PV48 vacuum breaking valve

Incazelo emfushane:


Imininingwane yomkhiqizo

Imibuzo evame ukubuzwa

Amathegi womkhiqizo

Uhlobo: i-valve yamandla enuzi ephula i-valve

Imodeli: ZKPHF41F-150 150Lb, ZKPHF21F-300 300Lb

Ububanzi bokuqanjwa: DN 20-50

Umkhiqizo usetshenziselwa iyunithi le-AP1000 njengempisi ingcindezi engemihle yokuvikela imishini ukuvimbela ingcindezi yayo eyeqile ngokweqile ekulimaleni imishini.

I-1.Ngohlobo lokuchithwa kwentwasahlobo yohlobo lwentwasahlobo, i-valve yokuphula i-vacuum ifaka ingcindezi elula njalo nokulungiswa nokufakwa okulula. I-valve yakhelwe ngokwezinga lengcindezi kanye nengcindezi yayo yokuklama inkulu kunengcindezi yayo yokusebenza ephezulu ngaphansi kokushisa kwemvelo yokusebenza. Umgogodla we-valve uvula futhi uvale ingxenye ye-valve bese i-O-type seal ring ifakiwe emgodini womgogodla we-valve ukwenza ingxenye yokufakwa uphawu kwengqikithi ye-valve. Lapho uphawu lwe-valve, o-type ring ring oxhumana nabo befaka uphawu ebusweni besihlalo se-valve; lapho i-valve igxuma futhi iphume, i-O-type seal ring ishiya ukubekwa uphawu kwesihlalo se-valve. Lapho umgogodla we-valve ushaya emuva, intwasahlobo yelula futhi ingxenye yokuvula nokuvala iya phezulu ngomgodi oqondisayo wesihlalo se-valve; lapho kuvulwa umgogodla we-valve, intwasahlobo icindezela futhi ingxenye yokuvula nokuvala iya phansi ngomgodi oqondisayo wesihlalo se-valve.

2.I-valve yokuphula umshini, i-valve ezenzakalelayo, ayidingi idrayivu eyengeziwe lapho isetshenziswa. Esimweni esivamile sokusebenza, amandla ahlangene entwasahlobo naphakathi asebenza ku-valve disc acindezela idiski ye-valve ebheke esihlalweni se-valve ukwenza indawo yokubamba uphawu inamathele futhi ivale; lapho ingcindezi emaphakathi yehlela kunani elishiwo le-vacuum (isb. ingcindezi engemihle kuze kube ukucindezela kokumisa), intwasahlobo icindezelwe, i-valve disc ishiya isihlalo se-valve, umoya wangaphandle ungena futhi umfutho wohlelo ukhuphuka; lapho ingcindezi yohlelo inyuka iye enanini lokusebenza, intwasahlobo idonsela i-valve disc ibheke esihlalweni se-valve futhi ibeke uphawu lokunamathisela indawo futhi ukubuyela esimweni esejwayelekile sokusebenza.


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