Ufake ivalvu entsha, ulindele isitywino esigqibeleleyo. Ukuthontsiza kancinci, okungathethiyo kunokubangela umonakalo wamanzi ngoku, ngaphandle kokwazi kwakho kwaye konakalisa umsebenzi wakho onzima.

Ivalvu yebhola yePVC esemgangathweni ophezulu akufuneki ivuze. Ukuvuza kusoloko kwenzeka ngenxa yokufakelwa okungafanelekanga, umonakalo emzimbeni, okanye ubudala obugqithisileyo, kungekhona ngenxa yesiphene sokwenziwa kwevalvu eyenziwe kakuhle.

Eli linqaku elibalulekileyo lokuthembana phakathi komenzi kunye nengcali. Xa ndixoxa ngomgangatho wemveliso yethu namaqabane afana noBudi e-Indonesia, eli linqaku esiligubungela ngokweenkcukacha. Abathengi bakhe, abakhi kunye nabakhi, baxhomekeke kwizinto abazifakelayo ukuba zingenasiphako. Ukuvuza kube kanye kunokonakalisa udumo lwabo. Ngoko ke, kubalulekile ukuqonda ukuba ivalvu ngokwayo yenzelwe ukubaayivuziIngqwalasela yokwenyani kufuneka ibe kwizizathu eziqhelekileyo zokuvuza kwamanzi okwenzeka ebaleni, ezisoloko zinokuthintelwa.

Ngaba iivalvu zebhola zePVC zingavuza?

Uncamathisele ivalvu yePVC kwaye umsebenzi ugqityiwe. Kodwa isiphene esincinci kwijoyinti sinokubangela ukuvuza kamva, nto leyo ebangela ukuba kwenziwe utshintsho olucaphukisayo nolubizayo.

Ewe, zinokuvuza. Iindawo ezivuza kakhulu azizo izitywino zangaphakathi zevalvu kodwa ziziqhagamshelo zangaphandle—nokuba zizihlanganisi zesolvent ezinganamatheliswanga kakuhle okanye iziqhagamshelo ezinemisonto ezivalwe ngendlela engafanelekanga, kungekhona umzimba wevalvu ngokwawo.

Kwanevalvu engcono kakhulu emhlabeni iya kuvuza ukuba ayifakwanga kakuhle. Ukuqonda apho ukuvuza kwenzeka khona linyathelo lokuqala lokuthintela oko. Ngokwamava am, kukho iindawo ezintathu eziphambili apho ukuvuza kunokuvela khona.

1. Ukuvuza kwiindawo zoQhagamshelo(Ezixhaphake kakhulu)

Kulapho ke kwenzeka khona ukuvuza okungaphezulu kwama-90%.

• Amaqabane Adibeneyo Ane-Solvent:Ukuvuza apha kuthetha ukuba i-chemical weld ayilunganga. Oku kunokwenzeka ukuba akusetyenzwanga isamente yaneleyo, umbhobho awuzange ufakwe ngokupheleleyo kwi-socket yevalvu, okanye ukujika okubalulekileyo kwekota akwenziwanga ukuze isale isamente ngokulinganayo.
• Uqhagamshelo olunemisonto:Ukuvuza kwiindawo ezinemisonto kudla ngokubangelwa kukungasebenzisi iteyiphu yokutywina yePTFE eyaneleyo okanye ukungayisebenzisi ngokuchanekileyo. Ukuqina kakhulu yenye imbangela enkulu; kunokubangela ukuqhekeka okuncinci kwindawo yokufakelwa kwabasetyhini, okukhokelela ekuthontsizeni kancinci.

2. Ukuvuza okuvela kwiSikhondo seSiphatho

Oku akuvamile kakhulu, ingakumbi kwiivalvu ezintsha. Ngaphakathi kwivalvu, isiqu esiqhagamshelwe kwisibambo sivalwe ngeringi enye okanye ezingaphezulu ze-EPDM O-rings. Ukuba kuvela ukuvuza phantsi kwesibambo, oko kuthetha ukuba esi sivambo sichaphazelekile. Kwivalvu yomanyano lokwenyani, ngamanye amaxesha ungaqinisa i-packing nut ukuze ucinezele esi sivambo kwaye uyeke ukuvuza. Kwivalvu encinci, oku kudla ngokufuna ukutshintshwa.

3. Ukuvuza NgeValve (Ngaphakathi)

Olu lolona hlobo lunqabileyo lokuvuza kwivalvu esemgangathweni. Oku kuthetha ukuba ivalvu iyavuza xa ikwindawo evaliweyo. Oku kudla ngokubangelwa kukuba inkunkuma efana nelitye elincinci okanye isanti ibanjwa ngaphakathi, nto leyo ethintela ibhola ukuba ingavali ngokupheleleyo kwisihlalo sePTFE.

Zithembeke kangakanani iivalvu zebhola zePVC?

Udinga ivalvu onokuyifaka kwaye uyithembe kangangeminyaka. Ukukhetha ivalvu engabizi kakhulu, engaqinisekanga kunokubangela ukuba ungabi nanto yakwenza nayo, oko kungonakalisa igama lakho kunye nenzuzo emsebenzini.

Iivalvu zebhola zePVC ezikumgangatho ophezulu zithembeke kakhulu ngenxa yoyilo lwazo olulula oluneendawo ezimbalwa ezihambayo. Ukuthembeka kwazo kuxhomekeke ngokupheleleyo kumgangatho wezixhobo kunye nokuveliswa ngokuchanekileyo okusetyenziselwa ukuzenza.

Ukukhanya okulula kweivalvu yebholayiyo le nto iyenza ithembeke kangaka. Uyilo lulungile ngoomatshini: ibhola enomngxuma ijikeleza iidigri ezingama-90 ukuya kwindawo evulekileyo okanye evaliweyo. Zimbalwa kakhulu izinto ezinokungahambi kakuhle. Nangona kunjalo, ayizizo zonke iivalvu zebhola zePVC ezenziwe ngokulinganayo. Umahluko phakathi kwevalvu ethembekileyo nengathembekanga uxhomekeke kumgangatho wezinto eziluhlaza kunye nenkqubo yokuvelisa. Le yinto thina kwaPntek esiyithatha nzulu kakhulu. Ivalvu engabizi kakhulu inokubonakala ifana ngaphandle, kodwa yinto engaphakathi ebalulekileyo.

Icandelo	Ivalvu yePntek ekumgangatho ophezulu	Ivalvu Eqhelekileyo Esemgangathweni Ophantsi	Impembelelo ekuThembekeni
Umzimba weValve	I-PVC eyi-100% eyi-Virgin	I-PVC ephinda isetyenziswe enezihluzi (i-calcium)	I-Virgin PVC iqinile kwaye ayichaphazeleki. Izinto eziphinda zisetyenziswe zinokuba buthathaka kwaye ziqhekeke phantsi koxinzelelo okanye ngexesha lokufakwa.
Ibhola	Yenziwe ngomatshini ochanekileyo, igudileyo	Umphezulu orhabaxa, ubungakanani obungangqinelaniyo	Ibhola egudileyo yenza uphawu olugqibeleleyo kwaye ijika ngokulula. Ibhola erhabaxa iya kuzigugisa izihlalo kwaye ibangele ukuvuza.
Izihlalo	I-PTFE eyi-100% eyi-Virgin	Iiplastiki ezingabizi kakhulu	I-PTFE (Teflon) inika isitywini esingashukumiyo, esihlala ixesha elide, nesinganyangekiyo ngamakhemikhali. Izinto ezingabizi kakhulu zinokunamathela okanye zonakale ngokukhawuleza.
Ii-O-Rings	I-EPDM okanye i-FKM (iViton)	Irabha esisiseko (i-NBR)	I-EPDM inika ukumelana okuhle kakhulu nobushushu kunye neekhemikhali kwiinkqubo zamanzi. Irabha esisiseko inokudumba okanye iqhekeke ngokuhamba kwexesha.

Ivalvu ethembekileyo yindlela yokuzigcina unoxolo lwengqondo.

Ivalvu yebhola yePVC iza kuhlala ixesha elingakanani?

Kufuneka wazi ixesha lokuphelelwa zizinto ozifakileyo. Kodwa iivalvu azinawo umhla wokuphelelwa ocacileyo, nto leyo eyenza kube nzima ukucwangcisa ixesha elide kwaye kudala ukungaqiniseki kubathengi malunga neengxaki zexesha elizayo.

Ivalvu yebhola yePVC eyenziwe kakuhle, esetyenziswa kwiimeko ezifanelekileyo, ingahlala iminyaka eli-10 ukuya kwengama-25 nangaphezulu. Ixesha lobomi lichaphazeleka kakhulu yimitha ye-UV, ubushushu, ukuvezwa ziikhemikhali, kunye nokuba isebenza kangaphi.

Akukho mhla wokuphelelwa omiselweyo wevalvu yePVC kuba ubomi bayo buxhomekeke kakhulu kwindawo ekuyo kunye nendlela esetyenziswa ngayo. Ivalvu efakwe ngaphakathi kumgca wamanzi abandayo esetyenziswa izihlandlo ezimbalwa ngonyaka inokuhlala amashumi eminyaka. Ivalvu efakwe ngaphandle kumgca wamanzi ashushu osebenza imihla ngemihla iya kuba nobomi obufutshane kakhulu. Ukuqonda izinto ezifinyeza ubomi bevalvu kubalulekile ekuyenzeni iphumelele.

• Ukuvezwa kwe-UV:Olu lolona tshaba lukhulu lwePVC.Ukukhanya kwelanga ngqo kwenza i-PVC ibe buthathaka ngokuhamba kwexeshaNasiphi na ivalvu efakwe ngaphandle kufuneka ikhuselwe elangeni, nokuba ngokuyisonga okanye ngokuyipeyinta ngepeyinti yelatex esekwe emanzini.
• Ubushushu obuphezulu: I-PVC iya ithamba njengoko isiya ishushu, nto leyo enciphisa umlinganiselo wayo woxinzelelo. Ivalvu ehlala ichaphazeleka ngamanzi ashushu (kufuphi nomda wayo ophezulu we-140°F / 60°C) iphantsi koxinzelelo olungakumbi kwaye iya kuguga ngokukhawuleza.
• Iikhemikhali:Nangona i-PVC ingamelani neekhemikhali ezininzi, izinto ezirhabaxa zinokuhlasela iplastiki okanyeIzitywino ze-EPDM/FKMSoloko ujonga iukuhambelana kweekhemikhaliitshathi ukuba ivalvu iza kusetyenziselwa nantoni na ngaphandle kwamanzi.
• Ukuphindaphinda kokusetyenziswa:Ivalvu sisixhobo esisebenza ngoomatshini. Okukhona ijikwa, kokukhona izihlalo kunye nezitywini ziya kuguga. Kwizicelo ezihamba ngebhayisekile ephezulu, kubalulekile ukukhetha ivalvu eyenzelwe loo njongo.

Ungayinqanda njani ivalvu yebhola ekuvuzeni?

Ubone i-drip eyoyikekayo evela kwi-valve connection. Ingcinga yakho yokuqala kukulungisa okunzima, ukucima umbhobho kunye nokuchitha iiyure zexesha lakho kunye nomgudu wakho.

Xa kuvuza kwisiphatho, zama ukuqinisa ii-union nuts okanye ii-packing nut. Xa kuvuza ngentambo, kufuneka uphinde uvale iintambo. Xa kuvuza kwi-joint enamatheleyo, ivalvu kufuneka isikwe ize itshintshwe.

Ukulungisa ukuvuza kuxhomekeke ngokupheleleyo ekubeni amanzi avela phi. Inyathelo lokuqala kukucima unikezelo lwamanzi nokukhulula naluphi na uxinzelelo olusemgceni.

Ukulungisa ukuvuza okuvela kwiSinti seSibambo

Oku kuvuza kuvela njenge-drip apho isiphatho singena khona emzimbeni wevalvu. KwiPntek yethuiivalvu zomanyano lokwenyani, oku kudla ngokulungiswa. Ungazikhulula ii-union nuts ezinkulu kumacala omabini omzimba wevalvu. Oku kukuvumela ukuba uphakamise umbindi wevalvu uphume kumbhobho. Kule mbindi, kukho i-nut enkulu ejikeleze isiqu. Ukuyiqinisa kancinci le nati (ebizwa ngokuba yi-carrier okanye i-packing nut) kunokucinezela ii-O-rings kwaye kumise ukuvuza. Kwii-valve ezincinci, ezinenxalenye enye, oku akunakwenzeka kwaye ivalvu kufuneka itshintshwe.

Ukulungisa ukuvuza okuvela kuQhagamshelo oluneMisonto

Oku kuvuza okulungisekayo kodwa kuyacaphukisa. Kufuneka ukhulule ngokupheleleyo ivalvu kwindawo yokufakela. Coca yonke iteyiphu endala yokutywina intambo okanye uncamathisele kwintambo yesilisa neyesifazana. Emva koko, phinda ufake entsha, esemgangathweni ophezulu.Iteyiphu ye-PTFE(Izisongelo ezi-3-4 zijongwa kwicala lemisonto). Hlanganisa kwakhona ijoyinti, uyiqinise ngokuqinileyo kodwa uqaphele ukuba ungayiqinisi kakhulu kwaye ungaqhekeki indawo yokufaka.

Ukulungisa ukuvuza okuvela kwiSolvent Weld (Glued) Joint

Le yeyona ndawo ivuzayo ongenakuyilungisa. Akukho mveliso okanye indlela enokuyilungisa ngokuthembekileyo indawo evuzayoijoyinti edityaniswe nesinyibilikisiIsisombululo sobuchwephesha nesisisigxina kukusika ivalvu kumbhobho uze ufake entsha. Yingakho kubaluleke kakhulu ukwenza inkqubo yokuncamathisela iglu ibe semgangathweni okokuqala.

Isiphelo

Umgangathoivalvu yePVCakufanele kuvuze. Ukuvuza kusoloko kuvela kwiimpazamo zokufakelwa, kungekhona kwivalvu ngokwayo. Ukwazi unobangela yeyona nto iphambili ekulungiseni ngokukhawuleza nangokusisigxina.