Thelekisa ivalve ye-diaphragm kunye ne-bellows valve kwisixhobo senkqubo ye-aseptic, ivalve yeglowubhu, ivalve ye-diaphragm, ivalve yebhola, ivalve yesango, ivalve yokhuseleko kunye nezinye iivalve indlela yokuvavanya uxinzelelo, zeziphi iindlela?

Thelekisa ivalve ye-diaphragm kunye ne-bellows valve kwisixhobo senkqubo ye-aseptic, ivalve yeglowubhu, ivalve ye-diaphragm, ivalve yebhola, ivalve yesango, ivalve yokhuseleko kunye nezinye iivalve indlela yokuvavanya uxinzelelo, zeziphi iindlela?

Kwinkqubo yokuvelisa i-aseptic, ivalve yokumisa esetyenziswa ngokuqhelekileyo yivalve yokumisa i-diaphragm, edla ngokubizwa ngokuba yi-diaphragm valve. Isizathu sokuba i-valve ye-diaphragm isetyenziswe kwiinkqubo zokuvelisa i-aseptic ngenxa yesakhiwo sazo esilula kunye nexabiso eliphantsi, okwenza kube ngoku kukho "abakhuphisana" abambalwa. Ukukhuphisana neevalvu ze-diaphragm kuthiwa ziivalvu zeglowubhu ezibizwa ngokuba zii-bellows, ezaziwa ngokuba zii-bellows valves. Le valve yeglowubhu ye-bellows ngenxa yexabiso layo eliphezulu, nangona inenzuzo yobugcisa engcono kunevalve ye-diaphragm, kodwa kusenzima ukukhuphisana nevalve ye-diaphragm, njengoko kuchazwe kweli nqaku.

Ityhubhu ye-PTFE

Ukhuphiswano phakathi kwe-bellows kunye ne-diaphragms lunembali ende kushishino lwenkqubo ye-aseptic. Ixesha elide, i-valve ye-diaphragm kunye nesakhiwo sayo esilula, ixabiso eliphantsi kunye ne-disinfection ecocekileyo kwaye ilungele ukuhlala phezulu. Xa kuthelekiswa nevalve ye-diaphragm, i-valve ye-bellows kwiintlobo zentengiso imbalwa kakhulu. I-valve ye-Vesta bellows eveliswa yi-Tuchenhagen kukugcwalisa le ndawo nje, eli phepha ngokusebenzisa i-valve ye-diaphragm kunye ne-bellows valve uthelekiso, iinzuzo kunye nokungalunganga kwezivalo ezimbini zicace ngakumbi.

Khulula ngaphandle umsebenzi

Xa ufuna ukusebenzisa ivalve ye-diaphragm kumbhobho othe tye, kufuneka uqinisekise ukuba ivalve ye-diaphragm ifakwe kumbhobho othe tye ngokweEngile echazwe ngumenzi wevalvu ye-diaphragm. Ngaphandle koko, ekusebenzeni kwezixhobo zenkqubo, ukucocwa kwevalve ye-diaphragm kuya kuhlangabezana neengxaki ezithile, kwaye i-medium kumzimba we-valve ayikwazi ukukhutshwa ngokupheleleyo. Nangona kunjalo, i-Angle yokufakela i-Angle yeentlobo ezahlukeneyo zevalve ye-diaphragm, iivalvu ze-diaphragm eziveliswe ngabavelisi abahlukeneyo kunye neevalvu ze-diaphragm ezinamazinga ahlukeneyo okuhamba okuqhelekileyo kwahlukile, okuhlala kuzisa ingxaki enkulu kuyilo kunye nokuveliswa kwezixhobo zenkqubo ye-aseptic. Kwi-T-shapeed diaphragm valves, le ngxaki engenanto yomzimba ibonakala ngakumbi.

Xa kuthelekiswa nevalve ye-diaphragm, i-Vesta bellow valve ayiyi kubangela ingxaki enjalo, kungakhathaliseki ukuba luhlobo luni lwesakhiwo somzimba we-Vesta bellow valve, kwinkqubo yezixhobo zokusebenza akukho mthwalo awuyi kuba "i-Angle efile", ukuze qinisekisa ulwahlulo oluqinileyo lombhobho. Ngapha koko, inokufakwa kwi-ductwork yezixhobo zenkqubo ye-aseptic kwiindlela ezahlukeneyo zokufakela.

Kwishishini lokuvelisa amayeza, izixhobo zenkqubo ye-aseptic zinemibhobho emininzi ethe tyaba kunye nethe nkqo. Kuyilo lwezixhobo zonyango, ngenxa yendawo yombhobho kunye nezizathu zobugcisa, kuyimfuneko ukufaka i-valve ye-bellows kwindawo ethile. Ngokomzekelo, ukuba i-valve ye-diaphragm ifakwe kumbhobho othe nkqo, kufuneka idibaniswe yi-90 ° bend kwi-plane ethe tyaba efanayo. Iindleko zemveliso yohlobo lwe-T ivelufa ye-diaphragm iphezulu kakhulu, xa kuthelekiswa ne-valve eyahlukileyo yesakhiwo somzimba ivelufa ye-diaphragm, ivalve ye-bellows ikwivolumu kunye nokumila, kunye nokudibanisa nofakelo lombhobho ngaphezulu kwesandla esiphezulu. Ngenxa yokuba ezi ntlobo zimbini zeevalvu zeglowubhu zahlukile kwisakhiwo, ke ngoko, kuyilo lwangaphambili lwezixhobo zenkqubo ye-aseptic, kufuneka sikhethe ukuba loluphi uhlobo lwevalve yeglowubhu ekufuneka ikhethwe kwindawo nganye.

Izixhobo zemveliso kwiinkalo zamayeza, ukutya kunye ne-biotechnology zinenani elikhulu leevalvu ezifuna ukuvalwa inzala. Iivalve ezinkulu, ezifana nezo zochungechunge lweStericom, azinamsebenzi omncinci kwiimeko apho kufuneka kubulawe iintsholongwane. Ngenxa yokuba, kwezi zixhobo zenkqubo, iimfuno zokuhanjiswa komgangatho ophakathi zincinci kwaye zincinci, ukuhamba okuncinci, abantu phantse akukho mntu ngaphandle kokukhethwa kwevalve ye-diaphragm. Ivalve entsha yemvulo inobungakanani obuncinci kwaye ingasetyenziswa ngeedamitha ezahlukeneyo zemibhobho, nto leyo eyinika inzuzo ngaphezu kweevalvu zediaphragm.

Ukuthelekiswa kokusetyenziswa kwezixhobo

Njengomsebenzisi wesixhobo, kumjikelezo wobomi besixhobo kangangoko kunokwenzeka ukusebenzisa izixhobo zokuvelisa, oko kukuthi: izinga lokusetyenziswa kwezixhobo kufuneka libe phezulu kangangoko kunokwenzeka. Ukugcinwa kwezixhobo kuthetha ukuba isixhobo kufuneka siyeke ukuvelisa, kodwa sibeke isixa esithile sokugcinwa kwezixhobo. Ivalve yeBellows idla ngokunxitywa; Kwivalve ye-diaphragm, emva kokuba ivalve igugile, i-diaphragm kufuneka itshintshwe emva kwexesha elithile lokusetyenziswa. Ubomi benkonzo ye-diaphragm buxhomekeke kwinkqubo yokuvelisa ehambelanayo. Ngakolunye uhlangothi, ukukhukuliseka kweendaba ezigudileyo kwizixhobo zenkqubo, ubushushu bokucoca imibhobho kunye ne-disinfection, uxinzelelo lokusebenza kunye nesantya sokuhamba kwezixhobo zenkqubo kunye nezinye iiparitha zokusebenza ziya kuchaphazela ubomi benkonzo ye-diaphragm; Ngakolunye uhlangothi, ukuguqulwa kwe-diaphragm xa i-valve yokumisa i-diaphragm ivuliwe kwaye ivaliwe nayo yinto ebalulekileyo yokumisela ubomi benkonzo ye-diaphragm.

Ivalve yokumisa iVesta ene-pneumatic drive

Uninzi lomonakalo wevalve ye-diaphragm awukho ngenxa yokusetyenziswa kwinkqubo yokuvelisa, ngokuchaseneyo, ngenxa yomonakalo we-extrusion womatshini. Nangona iivalvu ze-diaphragm zinamanqanaba ahlukeneyo e-elastic, ii-coatings ezahlukeneyo, kunye neepleyiti ze-PTFE ezahlukeneyo, kodwa kuzo zonke iivalve ze-diaphragm zineengubo zangaphandle ezingabonakaliyo (ukhukuliseko lomphezulu kunye nokudibanisa kwamasuntswana okubangelwa yimidiya yangaphakathi). Ngoko ke, ukuze ugweme ukuveliswa kwenkqubo ye-aseptic ngenxa yomonakalo kwi-valve ye-diaphragm enyanzeliswa ukuba iyeke ukuvelisa, ekusebenzeni ngokuqhelekileyo kubomi benkonzo obunqamlekileyo ngaphambi kokutshintshwa kwe-diaphragm. Ngale ndlela, nokuba kunyanzeleke ukuba endaweni inani diaphragms, kusekho ukugcinwa isiphumo, okanye isixhobo downtime, kakhulu ngaphezu PTFE bellows ivalve, kunye nenye inzuzo yevalufa imvubelo kukuba ingasetyenziselwa phantse ezahlukeneyo. iinkqubo.

iinxalenye

Icandelo le hub yeVesta bellows valve yiTFM1705PTFE cutobellows. Ngaphandle kokumelana nokubola kwemithombo yeendaba ezahlukeneyo zeekhemikhali, izinto ze-TFM1705 nazo zihlangabezana neemfuno zeCandelo le-FDA ye-21 §177.1550 ye-Federal Regulations ye "perfluorocarbon resin". Umphezulu wayo ogudileyo (i-Ra≤0.8mm), isitywina esithembekileyo, ixesha lokutshintsha okukhulu kunye nezinye iimpawu, kwi-CIP / SIP engcono yokubulala iintsholongwane kunye nokucoca kudla ngokufanelekileyo. Ngaphezu kweminyaka emithathu, i-valve ye-bellows enelungelo elilodwa lomenzi wechiza iye yasekwa ngempumelelo kwimarike kwaye ibonelela ngokubekwa yedwa okungqongqo kwe-atmosfera ngaphakathi nangaphandle kombhobho kumbhobho wenkqubo oyinyumba.

Ivalve yeglowubhu, ivalve yediaphragm, ivalve yebhola, ivalve yesango, ivalve yokhuseleko kunye nezinye iivalve indlela yokuvavanya uxinzelelo, zeziphi iindlela?

Kwimveliso yoshishino, ivalve yokufaka impompo yamanzi isetyenziswa ngokuqhelekileyo izixhobo, ngaphambi kokusetyenziswa kwevalve, ezinye kufuneka zivavanye uxinzelelo, ivalve yeglowubhu, ivalve ye-diaphragm, ivalve yebhola, ivalve yesango, ivalve yokhuseleko njalo njalo, yintoni uxinzelelo. Iindlela zovavanyo lwevalvu phantsi kweemeko eziqhelekileyo, iivalvu zemizi-mveliso ezisetyenziswayo azenzi uvavanyo lwamandla, kodwa emva kokulungisa umzimba wevalve kunye nesigqubuthelo sevalvu okanye isivalo somonakalo wokhukuliseko kunye nesigqubuthelo sevalvu kufuneka yenze uvavanyo lwamandla. Kwiivalvu zokhuseleko, uxinzelelo lokumisela kunye noxinzelelo lokubuyisela kunye nolunye uvavanyo luya kuhambelana neenkcukacha zekopi kunye nemimiselo ehambelanayo. Uvavanyo lwamandla kunye nokuqina kufuneka lwenziwe ngaphambi kokufakwa kwevalvu. I-valve ye-low-pressure spot check 20%, njengokuba ulwahlulo lufanele lube luhlolo lwe-100%; Iivalve eziphakathi kunye noxinzelelo oluphezulu kufuneka zihlolwe i-100%. Indlela eqhelekileyo yovavanyo loxinzelelo lwevalvu ngamanzi, i-oyile, umoya, umphunga, initrogen, njalo njalo.

1. Indlela yokuvavanya uxinzelelo lwevalve yeglowubhu kunye nevalve ye-throttle

Uvavanyo lwamandla lwevalve yeglowubhu kunye nevalve ye-throttle, ngokuqhelekileyo ibeka ivalve edibeneyo kwisakhelo sovavanyo loxinzelelo, vula idiski yevalve, itofe i-medium kwixabiso elichaziweyo, khangela ukuba i-valve yomzimba kunye nevalve yokugubungela ukubila kunye nokuvuza. Inokuba liqhekeza elinye lovavanyo lwamandla. Uvavanyo lokutywina lolwevalve yokumisa kuphela. Vavanya isiqu sevalve kwisimo esithe nkqo, i-disc ye-valve ivulekile, i-medium ukusuka ekupheleni kwe-disc ukuya kwixabiso elilinganiselweyo, khangela ukupakisha kunye ne-gasket; Xa ufanelekile, vala i-disc kwaye uvule esinye isiphelo ukujonga ukuba kukho ukuvuza. Ukuba amandla evalve kunye novavanyo lokutywinwa kufuneka lwenziwe, unokwenza uvavanyo lwamandla kuqala, kwaye emva koko uhla ukuya kuvavanyo lokutywina ixabiso eliqingqiweyo, khangela ukupakisha kunye ne-gasket; Emva koko uvale idiski, vula indawo yokuphuma ukuze ukhangele ukuba umphezulu wokutywina uyavuza na.

2. Indlela yokuvavanya uxinzelelo lwevalve yesango: Uvavanyo lwamandla evalve yesango luyafana nalolo lwevalve yeglowubhu. Kukho iindlela ezimbini zokuvavanya ukuqina kweevalvu zesango.

① Isango livuliwe ukwenzela ukuba uxinzelelo ngaphakathi kwevalve lukhuphuke kwixabiso elichaziweyo; Emva koko uvale isango, ngokukhawuleza ukhuphe ivalve yesango, khangela ukuba kukho ukuvuza kwesitywina kumacala omabini esango, okanye ugalele ngokuthe ngqo indawo yokuvavanya kwiplagi kwisivalo sevalve kwixabiso elichaziweyo, khangela itywina kuzo zombini. amacala esango. Le ndlela ingentla ibizwa ngokuba luvavanyo loxinzelelo oluphakathi. Le ndlela ayifanelekanga kuvavanyo lokutywinwa kwevalve yesango enedayamitha ye-DN32mm.

(2) Enye indlela kukuvula isango, ukwenzela ukuba uxinzelelo lovavanyo lwevalve lukhuphuke kwixabiso elichaziweyo; Emva koko uvale isango, vula isiphelo esinye sepleyiti eyimfama, khangela ukuba ukuvuza komphezulu wokutywina. Phinda olu vavanyo lungentla de ube ufanelekile.

Uvavanyo lokuqina ekupakishweni kunye negasket yevalve yesango ye-pneumatic iya kwenziwa phambi kovavanyo lokuqina kwevalve yesango.

3, indlela yokuvavanya uxinzelelo lwevalve yebhabhathane

Uvavanyo lwamandla evalve yebhabhathane yepneumatic luyafana nolwevalve yeglowubhu. Umsebenzi wokutywina we-valve butterfly kufuneka uvavanywe ukusuka ekupheleni komntu wokuhamba okuphakathi ukuya kwindawo yokuvavanya, i-butterfly plate kufuneka ivulwe, enye isiphelo se-blockade, i-injection ye-injection kwixabiso elichaziweyo; Emva kokujonga ukupakishwa kunye nezinye izitywina zokungavuzi, vala ipleyiti yebhabhathane, vula elinye icala, kwaye ujonge isitywina seplate yebhabhathane ukuba akukho kuvuza. Ivalve yebhabhathane esetyenziselwa ukulawula ukuhambahamba ayilwenzi uvavanyo lomsebenzi wokutywina.

4. Indlela yokuvavanya uxinzelelo lwevalve yeplagi

Ngaphambi kovavanyo lwe-valve yeplagi, umaleko we-oyile yokuthambisa i-non-acidic dilute lubricating ivunyelwe kwindawo yokutywina, kwaye akukho kuvuza kunye namaconsi amanzi awandisiweyo afunyenwe ngaphakathi kwexesha elichaziweyo njengoko kufanelekile. Ixesha lovavanyo lwevalve yeplagi linokuba lifutshane, lichazwa ngokubanzi njenge l ~ 3min ngokomlinganiselo oqhelekileyo.

(1) Xa ivalve yeplagi ivavanyelwa ukomelela, i-medium iqaliswa ukusuka kwelinye icala ukuvala enye indlela, kwaye iplagi ijikeleziswa kwindawo yokusebenza evuleke ngokupheleleyo ngokulandelelana kwayo ukuze kuhlolwe. Akukho kuvuza kufunyenwe kumzimba wevalvu.

(2) Kuvavanyo lokutywinwa, umqhagi we-longitudinal kufuneka ugcine uxinzelelo kumngxuma olingana naleyo yepaseji, ukujikelezisa iplagi kwindawo evaliweyo, jonga ukusuka kwelinye icala, kwaye ujikelezise iplagi amaxesha angama-180 ukuphinda oku kungasentla. uvavanyo; Iivalvu zeplagi ezineendlela ezintathu okanye ezine kufuneka zigcine uxinzelelo kwigumbi elilingana naleyo kwelinye icala lendlela, jikelisa iplagi kwindawo evaliweyo ngokulandelelana, yazisa uxinzelelo olusuka kwiAngle ekunene, kwaye ujonge ukusuka kwelinye. iphele ngaxeshanye.

5. Indlela yokuvavanya uxinzelelo lwevalve yokukhangela

Jonga imeko yovavanyo lwevalve: uhlobo lokuphakamisa i-valve ye-disc axis kwindawo ethe tye kunye nethe nkqo; I-Swing check valve channel i-axis kunye ne-disc axis ziphantse zihambelana nomgca othe tye. Ngethuba lovavanyo lwamandla, i-medium test medium ifakwe kwixabiso elichaziweyo ukusuka ekupheleni kokungena, kwaye enye isiphelo ivaliwe. Ifanelekile ukubona ukuba umzimba wevalvu kunye nesivalo sevalvu ayinakuvuza. Uvavanyo lokutywina luya kwazisa indlela yokuvavanya ukusuka ekupheleni kokuphuma, kwaye ukhangele indawo yokutywina ekupheleni kokungena. Kuyafaneleka ukuba akukho kuvuza kwipakethe kunye ne-gasket.

I-6, indlela yokuvavanya uxinzelelo lwevalve yokhuseleko

Uvavanyo lwamandla evalve yokhuseleko luyafana nolwezinye iivalve, ezivavanywa ngamanzi. Xa uvavanya indawo engezantsi yomzimba wevalve, uxinzelelo lungeniswa kwi-inlet I = ndiyaphela, kwaye indawo yokutywina ivaliwe; Xa uvavanya umzimba ophezulu kunye nebhonethi, uxinzelelo lungeniswa ukusuka ekuphumeni kwe-El ekupheleni kunye nezinye iziphelo zivaliwe. Umzimba wevalvu kunye nebhonethi ziya kufaneleka ngaphandle kokuvuza ngexesha elichaziweyo.

(2) Uvavanyo lokuqina kunye novavanyo oluqhubekayo loxinzelelo, ukusetyenziswa ngokubanzi kwe-medium yile: ivalve yokhuseleko lomphunga kunye ne-saturated steam njengendlela yokuvavanya; I-ammonia okanye enye ivalve yegesi enomoya njengendlela yokuvavanya; Ivalve yamanzi kunye nolunye ulwelo olungangeneleliyo isebenzisa amanzi njengendawo yovavanyo. Initrogen iqhele ukusetyenziswa njengendawo yovavanyo kwezinye iivalvu zokhuseleko ezibalulekileyo.

Uvavanyo lwetywina kunye nexabiso loxinzelelo lwegama njengovavanyo loxinzelelo lovavanyo, inani lamaxesha alikho ngaphantsi kwamaxesha amabini, akukho kuvuza ngaphakathi kwexesha elichaziweyo lifanelekile. Kukho iintlobo ezimbini zeendlela zokubona ukuvuza: enye kukutywina uqhagamshelo lwevalve yokhuseleko, kwaye uncamathisele iphepha lethishu ngebhotolo kwi-El flange. I-tissue paper i-bulging ngenxa yokuvuza, kungekhona i-bulging for qualified; Okwesibini kukusebenzisa ibhotolo ukutywina ipleyiti yeplastiki ebhityileyo okanye ezinye iipleyiti kwindawo engezantsi yeflange yokuphuma, itywina lamanzi idiskhi yevalve, jonga amanzi akadubuli afanelekileyo. Uxinzelelo oluqhubekayo kunye namaxesha okuvavanya uxinzelelo lwe-valve yokhuseleko aluyi kuba ngaphantsi kwamaxesha e-3, kwaye luya kuchazwa njengolufanelekileyo. Uvavanyo lomsebenzi wevalve yokhuseleko bona i-GB/T122421989 indlela yokuvavanya umsebenzi wevalve yokhuseleko.

7. Indlela yokuvavanya uxinzelelo lwevalve yokunciphisa uxinzelelo

(1) Uvavanyo lwamandla lwevalve yokunciphisa uxinzelelo luhlanganiswe ngokubanzi emva kovavanyo olunye, okanye emva kovavanyo lwendibano. Ubude bexesha lokuvavanya amandla: DN50mm lmin; I-Dn65-150mm ubude kune-2min; DN150mm ubude kunemizuzu emi-3. Emva kokuba i-bellows idibene kunye namacandelo, uvavanyo lwamandla lwenziwa ngomoya kwi-1.5 amaxesha oxinzelelo oluphezulu emva kokuba i-valve yokunciphisa uxinzelelo isetyenziswe.

② Uvavanyo lokuqina lwenziwa ngokweyona ndlela yokusebenza. Xa uvavanya ngomoya okanye ngamanzi, uvavanyo luya kuqhutywa ngamaxesha angama-1.1 uxinzelelo oluncinci; Uvavanyo lwe-steam lwenziwa kuxinzelelo oluphezulu lokusebenza oluvunyelwe kwiqondo lokushisa lokusebenza. Umahluko phakathi koxinzelelo lokungena kunye noxinzelelo lokuphuma kufuneka lube ngaphantsi kwe-0.2MPa. Indlela yokuvavanya ngolu hlobo lulandelayo: emva kokulungiswa koxinzelelo lwe-inlet, i-screw yokulungelelanisa i-valve ilungiswa ngokuthe ngcembe, ukwenzela ukuba uxinzelelo lwe-outlet lutshintshe ngokukhawuleza kwaye luqhubeke ngaphakathi kwinqanaba lexabiso elikhulu kunye nelincinci, ngaphandle kwe-stagnation kunye ne-block block. Kwi-valve yokunciphisa uxinzelelo lwe-steam, xa uxinzelelo lwe-inlet lususiwe, i-valve ivaliwe kwaye i-valve iyancitshiswa, kwaye uxinzelelo lwe-outlet luphezulu kwaye luphantsi. Ngaphakathi kwe-2min, uxabiso loxinzelelo lwe-outlet kufuneka luhambelane nexabiso elichazwe kwiThebhile 4.17622. Okwangoku, umthamo wepayipi emva kwevalve ichazwa njengefanelekileyo ngokuhambelana neThebhile 4.18. Kumanzi kunye noxinzelelo lomoya iivalve zokunciphisa, xa uxinzelelo lwe-inlet lubekwe kwaye uxinzelelo lwe-outlet luyi-zero, uvavanyo lokutywinwa lwenziwa kwi-valve yokunciphisa uxinzelelo oluvaliweyo. Kufanelekile ukuba akukho kuvuza ngaphakathi kwemizuzu emi-2.

I-8, indlela yokuvavanya uxinzelelo lwevalve yebhola: uvavanyo lwamandla evalve yebhola yepneumatic kufuneka lwenziwe kwisiqingatha sebhola evulekileyo.

① Uvavanyo lokuqina kwevalve yebhola edadayo: ivalve ivuleke sisiqingatha, isiphelo esinye singena kwindawo yovavanyo, esinye isiphelo sivalekile; Ibhola iya kuqengqeleka amaxesha amaninzi, ivalve ivaliwe xa uvula ukuhlolwa kokuphela kokutywinwa, ngexesha elifanayo jonga umsebenzi wokupakisha kunye nokutywinwa kwe-gasket, akufanele kubekho ukuvuza. Emva koko uvavanyo oluphakathi luyaziswa ukusuka kwelinye icala kwaye uvavanyo olungentla luphinda luphindwe.

(2) Uvavanyo lokuqina kwevalve yebhola esisigxina: phambi kovavanyo ibhola ayisayi kuqengqeleka amatyeli aliqela, ivalve yebhola esisigxina ikwimeko evaliweyo, ukusuka kwelinye icala lovavanyo ukuya kwixabiso elisikiweyo; Umlinganiselo woxinzelelo usetyenziselwa ukujonga umsebenzi wokutywina wesiphelo sokungena. Ukuchaneka komlinganiselo woxinzelelo ngu-0.5 ~ 1, kwaye uluhlu lokulinganisa luyi-1.5 amaxesha oxinzelelo lovavanyo. Ngexesha lokucandwa kwemida, akukho nto ye-depressurization ifanelekile; Emva koko yazisa i-test medium ukusuka kwelinye icala kwaye uphinde olu vavanyo lungentla. Emva koko, i-valve ivule isiqingatha, iziphelo ezimbini zivaliwe, i-cavity yangaphakathi igcwele i-medium, jonga ukupakisha kunye ne-gasket phantsi koxinzelelo lovavanyo, akufanele kubekho ukuvuza.

③ Ivalve yebhola eneendlela ezintathu kufuneka ibende kwindawo nganye yokutywina.

I-9, indlela yokuvavanya uxinzelelo lwevalve ye-diaphragm

Uvavanyo lwamandla evalve ye-diaphragm ukusuka nakweyiphi na isiphelo sokuqaliswa kwe-medium, vula i-disc, esinye isiphelo se-blockade, uxinzelelo lovavanyo kwixabiso elichaziweyo, jonga umzimba wevalve kunye nesivalo sevalve akukho kuvuza okufanelekileyo. Emva koko wehla ukuya kuxinzelelo lovavanyo lokuqina, vala idiski, vula elinye icala ukuze lihlolwe, akukho kuvuza kufanelekile.