Ukukhetha i-valve kuyingxenye ebalulekile yokuqamba okufanele nokugcina izindlela zokugcina amapayipi kanye nezinhlelo zezinsimbi. Uma ama-valves afanele akhethiwe ohlelweni oluthile, iyunithi lomsebenzisi lingadalulwa ukusebenza kohlelo olukhethekile noma olungaphansi lwegesi, isikhathi eside sokuphumula, nezingozi zokuphepha ezingenakugwenywa.
Ama-valve avame ukukhethwa ngesikhathi sezigaba zokuqala zokwakhiwa kohlelo lokulawula igesi ekhethekile, nakuwo wonke umjikelezo wempilo yohlelo, ngokuvamile ukulandela imininingwane kuma-valves angcono nezinye izinto ezisebenzisa izinhlobo ezifanayo zezakhi ezikhona ohlelweni.
Ukukhetha ama-valve afanele kusukela ekuqaleni ngakho-ke kubaluleke kakhulu ukusiza amayunithi womsebenzisi ukugwema ukushintshwa kwe-valve ngaphambi kwesikhathi.
Ungayenza kanjani ukukhetha okulungile?
Abasebenzi bezobuchwepheshe kanye nokuthenga esikhungweni seKhasimende bangalandela indlela egxiliwe, ethatha usayizi we-akhawunti, izinga lokushisa, uhlelo lokusebenza, abezindaba, ukucindezela, iziqeshana, kanye nokulethwa.
Ukucatshangelwa okugcwele kwalezi zimo zokusebenza kungaqondisa ukukhethwa kwe-valve efanele ukuze kusetshenziswe ohlelweni olukhethekile lwegesi.
Okulandelayo incazelo eningiliziwe yokuthi kusetshenziswe isitembu ku-Design System System:
01 S - usayizi
Usayizi we-valve unquma isilinganiso sawo sokugeleza futhi udinga ukuhambelana nenani lokuhamba elifunayo noma elidingekayo lohlelo. I-Flow Coefficial Offecled (CV) ye-valve iveza ubudlelwano phakathi kwengcindezi yehle ngaphesheya kwe-valve kanye nenani elihambisanayo lokugeleza.
Izici ze-Valve Design ezithinta i-CV zifaka usayizi nejometri yendlela yokugeleza; Ubukhulu be-orifice ye-valve buthinta uketshezi lugeleza ngalo. Kukhudlwana inhlangano, kukhudlwana izinga lokugeleza okungaba khona. Izincazelo zezinhlobo ezahlukene zama-valves zingahluka kakhulu; Isibonelo, i-valve yebhola izonikeza ukumelana okuncane kokugeleza, kepha i-valve yenaliti izokhawulela noma yehlise ijubane isilinganiso sokugeleza. Lokhu kufanele kube ukucatshangelwa kwinqubo yakho yokukhetha.
I-02 t - izinga lokushisa
Ukushisa okusebenzayo kwe-valve kuzosiza ukulawula amazinga okushisa abezindaba ohlelweni, kanye nokushisa okusebenzayo okusebenzayo kwendawo ezungezile. Kubalulekile ukuqaphela ukuthi izinga lokushisa le-valve lizohlala lihlala njalo noma lishintshe kaningi, futhi lezi zimo zingathinta ukukhethwa kwe-valve noma imvamisa lapho kulungiswa khona okuvimbelayo okudingeka kwenziwe.
Cabanga ukuguquguquka kwezinga lokushisa okungadala ukwanda kwezinto zokwakha kanye nenkontileka. Ngaphezu kwalokho, izingxenye zensimbi zingase ziphelelwe amandla emazingeni okushisa aphezulu, ngaleyo ndlela zinciphisa izilinganiso zengcindezelo, futhi kuyadingeka ukuqinisekisa ukuthi i-valve ihlolwe kahle ngaphansi kwezimo ezimbi kakhulu.
03 A - Isicelo
Cabanga ngalokho okucekisi ukuthi i-valve edingekayo ohlelweni, ingabe kudingeka ukuthi iqale noma iyeke ukuhamba kwabezindaba? Lawula amazinga okugeleza? Ukulawula ukugeleza kokugeleza? Vikela uhlelo olukhethekile lwegesi kusuka ekucindezelweni ngokweqile?
Ukuba nomqondo ocacile wokusetshenziswa kwe-valve ohlelweni kuzokuqondisa ekukhetheni okucacile kohlobo lwe-valve. Thatha i-Valve ye-Bi-Direct Valve elula njengesibonelo, ngenkathi amanye ama-valves ebhola anganikeza ukuthuthumela, iningi akufanele lisetshenziselwe ukugeleza noma ukulawula ukugeleza okugcwele noma okuvulekele ngokugcwele, uma kunesidingo se-valve noma i-valve noma i-valve ye-meteve kungaba ukukhetha okungcono.
04 m - medium
Noma ukulawula ukuhamba, i-valve ye-valve noma i-valve yokulinganisa ingaba ukukhetha okungcono.
Ukucatshangelwa ngokucophelela kufanele futhi kunikezwe ku-fluid medium ngaphakathi kohlelo lapho uzama ukukhetha i-valve efanelekile ngokwakheka okufanele kwezinto ezibonakalayo.
Qinisekisa ukuthi imidiya yohlelo iyahambisana nezinto zokwakha umzimba we-valve, isihlalo, kanye nesiqu se-shear, kanye nezinto ezithambile zegesi. Ukwehluleka ukwenza njalo kungahle kube nomphumela wokugqwala, ukufona noma ukuqhekeka, okungabeka engcupheni yezokuphepha kanye nezinkinga zokukhiqiza ezibizayo kanye neyunithi yokuphepha.
Njengakushisa, indawo lapho kufanele kusetshenziswe khona i-valve kufanele futhi ibhekwe. Ngabe isebenza endaweni elawulwa ngesimo sezulu, ngokwesibonelo ngaphakathi kwesitshalo noma endaweni ebiyelwe insimbi evuthayo? Noma ingabe kusetshenziswa ngaphandle, kuvezwa izici zezulu ezinjengokukhanya kwelanga, imvula, iqhwa nokushintshana kokushintshashintsha kwezimali isikhathi eside? Ama-valves nezinto zabo zitholakala ezinhlobonhlobo zezinto zokwakha. Khumbula ukukhetha i-valve efanelekile maqondana nezinto ezingenhla zemvelo nezimo zezulu ukuze wandise impilo yensiza nokusebenza kwe-valve.
05 p - ingcindezi
Ukucindezela kungenye ukucatshangelwa okubalulekile lapho ukhetha i-valve.
Kunezinhlobo ezimbili zokucindezela:
1. Ukucindezela okusebenzayo: Ingcindezi evamile yokusebenza ohlelweni.
2. Ingcindezi yokuqamba: umkhawulo omkhulu wengcindezi ye-valve; Ungalokothi weqe ingcindezi yokuqamba yanoma iyiphi ingxenye ekhethekile yohlelo lwegesi ngaphandle kwezimo zokuhlola ezilawulwayo.
Umkhawulo wengcindezi wohlelo olukhethekile lwegesi lususelwa kwingxenye yalo ekhiqizwe ephansi - khumbula lokhu lapho ukhetha i-valve. Ingcindezi kanye nokushisa kwenqubo ephakathi nendawo kube nomphumela obalulekile ekusebenzeni kwengxenye. Ama-valves owakhethayo adinga ukubekezelela ingcindezi futhi asebenze ngamazinga okushisa ahlukahlukene kanye nezingcindezi lapho kudingeka. Idizayini, ukukhethwa kwezinto ezibonakalayo kanye nokuqinisekiswa kuyo zonke izici ezibucayi zokusebenza kwe-valve. Kubalulekile futhi ukukhumbula ukuthi ukucindezela kanye nokushisa kunomthelela obalulekile komunye nomunye.
06 E - Ukuxhuma kokuphela
Ama-valve aza nokuxhumeka okuhlukahlukene okuhlukahlukene kokuphela. Lokhu kungaba yizithulu ezihlanganisiwe, imicu yepayipi, ama-flanges amaphayiphu, ama-weld aphela njll ngaphandle kokuhlanganiswa ngokwesiko nokwakhiwa kwe-valve, ukukhethwa kokuphela kokusebenza kubalulekile ekwakhiweni kwe-valve kanye nekhono lawo lokugcina uhlelo oluvaliwe. Ukuqinisekisa ukuthi ukuxhumana kokuphela kulungele ingcindezi yesistimu kanye nokushisa, futhi ngosayizi ofanele kanye nokuxhumana okulungile, ukuxhumana okulungile kungakwenza lula ukufakwa futhi kugweme amaphuzu avuvu avuza.
07 D - Ukulethwa
Ekugcineni, njengoba kubonile zonke lezi zinto ezingenhla futhi ukhethe i-valve efanelekile yohlelo lwakho lokusebenza, njenganoma iyiphi enye into, ukulethwa okuthe xaxa kanye nokunikezwa okuthembekile kubalulekile ukugcina uhlelo olukhethekile lwegesi lusebenza futhi lusebenza kahle. Njengesinyathelo sokugcina esondweni esiteyisiwe, kunesidingo sokubheka amandla omhlinzeki, amandla abo okubhekana nesidingo lapho udinga ingxenye, kanye nekhono labo lokusebenzisana nani ukuze baqonde izidingo zohlelo lwakho.
Lokhu okungenhla kuyindlela ye-Stampde ehlanganiswe ngo-wofly (AFklok), sikholwa ukuthi ngezinyathelo ezingenhla, iyunithi lomsebenzisi lizoba nokuqonda okungcono kokuthi kufanele likhethe kanjani i-valve efanele. Uma unemibuzo, i-wofly (AFKLOK) nayo yamukelekile kakhulu emihlanganweni yakho.
I-WOFLLY (AFKLOK) emkhakheni wezicelo ezikhethekile zegesi iminyaka eyishumi nantathu, imboni yesicelo segesi ijwayelene kakhulu nezinqubo ezifanele, futhi ineqembu lethu lezobuchwepheshe kanye nokuzimisela okuqinile, ukuze sibe namandla okusebenza okugcwele, okuphephe kakhulu okugcwele kwezicelo zegesi zamayunithi omsebenzisi.
Isikhathi sePosi: Jun-04-2024