Amasistimu wamapayipi omlilo ngokuvamile ahlangabezana nezinkinga ezibangelwa umfutho wamanzi ophakeme noma oguquguqukayo. Lezi zinselele zingaholela ekulimaleni kwemishini, ukugeleza kwamanzi okungahambisani, kanye nezingozi zokuphepha ngesikhathi sezimo eziphuthumayo. Ngibonile ukuthi ama-valve okwehlisa ingcindezi (ama-PRV) adlala kanjani indima ebalulekile ekuxazululeni lezi zinkinga. I-E Type Pressure Reducing Valve esuka ku-NB World Fire iqinisekisa ukucindezela kwamanzi okuzinzile, okuthuthukisa ukwethembeka kwezinhlelo zokuvikela umlilo. Ngokutshala imali kuma-PRV ekhwalithi ephezulu, awuthuthukisi ukuphepha kuphela kodwa futhi uthuthukisa ukusebenza kwesistimu, okukwenza kube ukufaneleka ukucatshangelwa eceleni kwentengo ye-valve yomshini wokucima umlilo.

Okuthathwayo Okubalulekile

• Ama-valve okwehlisa ingcindezi (ama-PRV) avimba umfutho wamanzi ophezulu ekulimazeni amapayipi omlilo. Bagcina isistimu iphephile futhi isebenza kahle.
• Ukugeleza kwamanzi okuqinile kubaluleke kakhulu ngezikhathi eziphuthumayo. Ama-PRV alawula izinguquko zengcindezi, esiza izicishamlilo ukuthi zisebenze kangcono.
• Ukuhlola nokulungisa ama-PRV ngokuvamile kubaluleke kakhulu. Lokhu kugcina uhlelo luhlala isikhathi eside futhi kwehlisa izindleko zokulungisa.
• Ukukhetha i-PRV enhle, njengohlobo lwe-E oluvela ku-NB World Fire, kuhlangabezana nemithetho yokuphepha futhi kusebenza kangcono kakhulu.
• Ukuthenga ama-PRV konga imali ngokuhamba kwesikhathi. Ivikela imishini ekulimaleni futhi yehlise izindleko zokuyilungisa.

Ukuqonda Izinselelo Zokucindezelwa Kwe-Fire Hydrant

Umthelela Wokucindezela Kwamanzi Okuphezulu

Izingozi zokulimala kwemishini kanye nokwehluleka kwesistimu

Umfutho wamanzi ophakeme ubeka engcupheni enkulu kumasistimu amapayipi amanzi. Ngibonile ukuthi ukucindezela okukhulu kungacindezela kanjani izingxenye ezibucayi, okuholela ekuhlulekeni kwemishini. Ngokwesibonelo:

• Amapayipi amapayipi angase aqhekeke noma aqhume ngaphansi kwengcindezi enkulu.
• Ama-valve casings angahluleka, abangele ukuvuza noma ukuwohloka okuphelele kwesistimu.
• Izinsimbi eziklanyelwe ukucindezela okuphansi ngokuvamile zingasebenzi kahle, kunciphisa ukwethembeka.

Umfutho wamanzi ophakeme ezinhlelweni zomlilo kudala izingozi ezinkulu. Ingalimaza imishini, inciphise ukusebenza kahle kokucisha umlilo, futhi ibeke engcupheni ukuphepha. Isibonelo, isigameko esidabukisayo e-One Meridian Plaza ngo-1991 sagqamisa indlela ama-valve okunciphisa umfutho abekwe ngendlela engafanele angabeka engcupheni kokubili abacimi bomlilo nabakhileyo. Izakhiwo eziphakeme kakhulu zibhekana nezinselele ezengeziwe, njengoba ukucindezela ngokweqile kungacindezela imishini yokuvikela umlilo, ngokuvamile ephethe kufika ku-175 psi.

Uma umfutho wamanzi udlula amazinga aphephile, amasistimu okunciphisa umlilo angase ahluleke ukwenza njengoba kuhlosiwe. Ukucindezela okwedlulele kuphazamisa amaphethini okufafaza ama-sprinklers noma ama-nozzles, kunciphisa ukusebenza kwawo. Lokhu kungasebenzi kungabambezela ukucisha umlilo, kwandise ubungozi empahleni nasezimpilweni.

Ukuphepha kwabacimi bomlilo nengqalasizinda eseduze

Izicishamlilo zibhekana nezingozi eziyingqayizivele lapho zisebenzelana namapayipi amanzi anomfutho ophezulu. Ngizwile ngama-akhawunti okulimala okudalwe amapayipi angalawuleki phakathi nokunyuka kwengcindezi. Lezi zimo zingakhula ngokushesha, zibeke kokubili izicishamlilo nengqalasizinda eseduze engozini.

• Izicishamlilo zingalahlekelwa ukulawula amapayipi, okuholela ezimweni eziyingozi.
• Ukucindezela okwedlulele kungabangela ukulimala, njengoba kufakazelwa ama-akhawunti womuntu siqu wezingozi ezihlanganisa amapayipi angalawuleki.
• Abaqhubi bephampu abanekhono babalulekile ukuze balawule ukuguquguquka kwengcindezi nokuvimbela izingozi.

Isidingo somfutho wamanzi ongaguquki futhi ophephile asinakugqitshwa. Ngaphandle kokulawulwa okufanele, umfutho wamanzi ophakeme ungabeka engcupheni ukuphepha kwalabo abasemigqeni yangaphambili kanye nobuqotho bezakhiwo ezizungezile.

Inkinga Ngengcindezi Eguquguqukayo

Ukugeleza kwamanzi okungahambisani phakathi nemisebenzi yokucisha umlilo

Ukushintshashintsha komfutho wamanzi kudala izinselele ngesikhathi sokucisha umlilo. Ngiqaphele ukuthi ukugeleza okungaguquki kungaphazamisa kanjani ukusebenza kwemizamo yocisha umlilo. Lapho ingcindezi ishintsha, izicishamlilo zingase zibe nzima ukugcina amanzi agelezayo, ukubambezela ukucisha kanye nezingozi ezandayo.

Uma umfutho wamanzi uphezulu kakhulu, izinhlelo zokucisha umlilo zivame ukuhluleka ukwenza njengoba kuhlosiwe. Ukucindezela okwedlulele kungaphazamisa amaphethini okufafaza ama-sprinklers noma ama-nozzles, ukunciphisa ukusebenza kwawo.

Lokhu kungahambisani nakho kungaholela ekungasebenzini kahle kokusatshalaliswa kwamanzi, okwenza kube nzima ukulawula imililo ngezikhathi ezibucayi.

Ukwenyuka kokuguga nokuklebhuka kwezingxenye ze-hydrant

Ukushintshashintsha kwengcindezi akuthinti nje ukusebenza kokucisha umlilo; baphinde bathathe umonakalo ohlelweni lwe-hydrant ngokwayo. Ngokuhamba kwesikhathi, ngibonile ukuthi lokhu kuhlukahluka kusheshisa kanjani ukuguga nokuklebhuka kwezingxenye, okuholela ezindlekweni zokulungisa eziphakeme kanye nokwehluleka okungenzeka kwesistimu.

• Umfutho wamanzi ophakeme ungabangela ukuthi amapayipi amapayipi aqhekeke noma aqhume.
• Ama-valve casings angase ahluleke, okuholela ekuvuzeni noma ekulimaleni kwesistimu.
• Izinsimbi eziklanyelwe ukucindezela okuphansi zingase zingasebenzi kahle noma zingathembeki.

Ukugcina umfutho wamanzi ozinzile kubalulekile ukuvikela kokubili uhlelo kanye nabantu abathembele kulo. Ngokubhekana nalezi zinselele, singaqinisekisa ukuthi amasistimu e-fire hydrant ahlala ethembekile futhi esebenza kahle uma edingeka kakhulu.

Asebenza Kanjani Amavalvu Okunciphisa Ingcindezi

Indlela yama-PRVs

Izingxenye ze-valve yokunciphisa ingcindezi

Ngisebenze ngamavalvu amaningi okwehlisa umfutho, futhi ukwakheka kwawo kuhlale kungihlaba umxhwele. La mavalvu aqukethe izingxenye eziningana ezibalulekile, ngayinye idlala indima ebalulekile ekulawuleni umfutho wamanzi. Nakhu ukuhlukaniswa kwezingxenye eziyinhloko:

Ingxenye ngayinye isebenza ngokuvumelana ukuze kuqinisekiswe ukuthi i-valve isebenza kahle ngaphansi kwezimo ezihlukahlukene.

Ama-PRV alawula futhi azinzisa kanjani umfutho wamanzi

Ukusebenza kwe-PRV kuqondile kodwa kusebenza kahle kakhulu. I-diaphragm elayishwe entwasahlobo isabela ezinguqukweni zengcindezi engezansi komfula. Lapho umfutho ongezansi wehla, njengalapho kuvulwa i-hydrant, i-diaphragm ivumela i-valve ukuthi ivuleke kakhulu. Lokhu kwandisa ukugeleza kwamanzi futhi kubuyisela ingcindezi ezingeni oyifunayo. Ngokugcina ingcindezi engaguquki, ama-PRV aqinisekisa ukuthi amasistimu we-fire hydrant asebenza ngokwethembeka, ngisho naphakathi kwesidingo esishintshayo.

Izinhlobo zama-PRV ama-Fire Hydrant Systems

Ama-PRV asebenza ngokuqondile

Ama-PRV asebenza ngokuqondile alula futhi ayonga. Basebenzisa isiphethu esingaphezu kwendawo yokuzwa ingcindezi ukuze balawule i-valve. Lapho ingcindezi idlula amandla entwasahlobo, i-valve iyavuleka. Lawa ma-PRV alungele izidingo eziphansi zokugeleza kosizo kodwa anemikhawulo ngosayizi nobubanzi bengcindezi ngenxa yomthamo wentwasahlobo.

Ama-PRV asetshenziswa ukulinga

Ama-PRV asebenza ngomshayeli asethuthuke kakhulu. Basebenzisa umshayeli wendiza osizayo ukuzwa ingcindezi nokulawula i-valve eyinhloko enkulu. Lawa ma-valve ayashesha ukuvuleka ngokugcwele futhi aphathe amandla aphezulu, okuwenza afanelekele amasistimu amapayipi amakhulu. Ukunemba kwazo kuzo zonke izingcindezi nokugeleza okuhlukahlukene kuzenza zibe yinketho ekhethwayo yokusetha okuyinkimbinkimbi kokuvikela umlilo.

Izici ze-E Type Pressure Reducing Valve

Ukuhambisana namazinga e-BS 5041 Ingxenye 1

I-PRV yohlobo lwe-E ihlangabezana namazinga e-BS 5041 Ingxenye 1, iqinisekisa ukuthi ithobelana nezimfuneko eziqinile zokuphepha nokusebenza. Lokhu kuthobelana kuvimbela ukucindezela ngokweqile, kunciphisa ukuguga kwezinto zokusebenza, futhi kugcina umfutho wamanzi ongashintshi—okubalulekile ekucindezelweni komlilo okuphumelelayo.

Ingcindezi yokuphuma elungisekayo kanye nezinga lokugeleza okuphezulu

Le valve inikezela ngobubanzi obuguquguqukayo bengcindezi ye-outlet yamabha angu-5 kuya kwangu-8 futhi iletha izinga lokugeleza eliphezulu elifika ku-1400 amalitha ngomzuzu. Lezi zici ziyenza ithembeke kakhulu ngesikhathi sezimo eziphuthumayo, iqinisekisa ukutholakala kwamanzi anele emisebenzini yokucisha umlilo.

Ukuqina nokufaneleka kwezicelo zasogwini nangaphandle kosebe

Yakhiwe ngethusi lekhwalithi ephezulu, i-PRV Yohlobo lwe-E imelana nezindawo eziyisidingo. Ukuklama kwayo okuqinile kuyenza ifaneleke kokubili ogwini nangaphandle kwezinhlelo zokuvikela umlilo, iqinisekisa ukwethembeka kwesikhathi eside ezimweni ezihlukahlukene.

Izinzuzo Zokusebenzisa ama-PRV kuma-Fire Hydrant Systems

Ukuphepha Okuthuthukisiwe

Ukuvimbela ukucindezela ngokweqile kanye nokulimala kwemishini

Ngibonile ukuthi ama-valve okwehlisa ingcindezi (ama-PRV) adlala kanjani indima ebalulekile ekuvimbeleni ukucindezelwa ngokweqile ezinhlelweni zamapayipi omlilo. Ukucindezela okwedlulele kungalimaza izingxenye ezibalulekile, njengamapayipi nama-valve, okuholela ekulungiseni okubizayo noma ukwehluleka kwesistimu. Ama-PRV anciphisa le ngozi ngokugcina amazinga okucindezela azinzile, aqinisekise ukuthi uhlelo lusebenza ngaphakathi kwemikhawulo ephephile.

• Bavikela imishini ngokunciphisa ukuguga okubangelwa ukucindezela okukhulu.
• Athuthukisa ubude besikhathi sezinhlelo zamapayipi omlilo, anciphisa isidingo sokushintshwa njalo.

Ngokutshala imali kuma-PRV ekhwalithi ephezulu, njenge-E Type Pressure Reducing Valve, ungakwazi ukuvikela isistimu yakho ngenkathi ulungiselela ukusebenza kahle. Lokhu kwenza kube yisixazululo esingabizi kakhulu, ikakhulukazi uma kucatshangelwa inani le-valve ye-fire hydrant.

Ukuqinisekisa ukugeleza kwamanzi okungaguquki ekucimeni umlilo

Ngesikhathi sezimo eziphuthumayo, ukugeleza kwamanzi okungaguquki kubalulekile ekucimeni umlilo okuphumelelayo. Ama-PRV aqinisekisa lokhu ngokulawula ukushintshashintsha kwengcindezi okungase kuphazamise ukusebenza. Ngokwesibonelo:

Lezi zingxenye zisebenza ndawonye ukuze zilethe ukugeleza kwamanzi okuzinzile, ukuthuthukisa ukusebenza kahle kokucisha umlilo nokunciphisa isikhathi sokuphendula.

Ukuhambisana Nemithethonqubo

Ukuhlangabezana nezindinganiso zokuphepha komlilo zasendaweni nezwe

Ukuhambisana nemithetho yokuphepha komlilo akuxoxiswana. Ama-PRV asiza ukuhlangabezana namazinga afana nalawo ashiwo yi-NFPA 20, egunyaza ukusetshenziswa kwawo ezimeni ezithile. Ngokwesibonelo:

• Ama-PRV ayadingeka lapho amaphampu omlilo enjini ye-diesel edlula imingcele ethile yokucindezela.
• Baqinisekisa ukuphathwa kwengcindezi ezinhlelweni lapho amaphampu omlilo kagesi asebenza khona nabashayeli bejubane eliguquguqukayo.

Ngokunamathela kule mithethonqubo, ama-PRV awagcini nje ngokuthuthukisa ukuphepha kodwa futhi abonisa ukuzibophezela ekusebenzeni kahle kwezomthetho nokusebenza.

Ukugwema izinhlawulo nezindaba zomthetho

Ukungathobeli izindinganiso zokuphepha komlilo kungaholela ezijezisweni ezinkulu kanye nezinkinga zomthetho. Ngibonile ukuthi ama-PRV asusa kanjani lezi zingozi ngokuqinisekisa ukuthi amasistimu asebenza ngaphakathi kwemikhawulo yengcindezi ebekiwe. Le ndlela esebenzayo ayivikeli nje kuphela izimpilo nempahla kodwa futhi igwema imithwalo yemali engadingekile.

Ukusebenza Kwesistimu Okuthuthukisiwe

Ukuthuthukisa ukusatshalaliswa kwamanzi ohlelweni

Ama-PRV anegalelo elikhulu ekusabalaliseni amanzi ngendlela efanele. Ngokulinganisa ingcindezi ohlelweni lonke, baqinisekisa ukuthi amanzi afinyelela kuzo zonke izindawo ezibalulekile ngaphandle kokulayisha ngokweqile noma iyiphi ingxenye. Lokhu kulungiselelwa kuthuthukisa ukusebenza okuphelele kwamasistimu we-fire hydrant.

• Ama-PRV avimbela ukucindezelwa ngokweqile, ehlisa ukuguga nokudilika kwemishini.
• Bagcina ukugeleza kwamanzi okungaguquki, okubalulekile ekucimeni umlilo okuphumelelayo.

Lokhu kusebenza kahle kwenza ama-PRV abe utshalomali olubalulekile, ikakhulukazi lapho kuhlolwa intengo yevalvu yepayipi lomlilo kumongo wezinzuzo zesikhathi eside.

Ukunciphisa izindleko zokulungisa kanye nokwelula ubude besikhathi semishini

Amazinga okucindezela azinzile anciphisa ubunzima ezingxenyeni zesistimu, okuholela ezindlekweni zokunakekela eziphansi. Ngiqaphele ukuthi ama-PRVs andisa kanjani isikhathi sokuphila sezisetshenziswa ngokunciphisa umonakalo obangelwa ukushintshashintsha kwengcindezi. Lokhu akugcini nje konga imali kodwa futhi kuqinisekisa ukuthi uhlelo luhlala luthembekile ngesikhathi sezimo eziphuthumayo.

Ukutshala imali ku-PRV eqinile, njenge-E Type Pressure Reducing Valve, inikeza ukonga kwesikhathi eside. Ikhono layo lokugcina ingcindezi engaguquki linciphisa imvamisa yokulungiswa nokushintshwa, okwenza kube ukukhetha okubiza izindleko.

Ukucatshangelwa kwezindleko kanye nentengo ye-Fire Hydrant Valve

Izinto ezithonya intengo yama-PRV

Ngiye ngaqaphela ukuthi izici ezimbalwa zinomthelela entengo yamavalvu okunciphisa ingcindezi (ama-PRV) kumasistimu epayipi lomlilo. Okokuqala, ukuthobela izindinganiso zamazwe ngamazwe kudlala indima ebalulekile. Amavavu ahlangabezana nezitifiketi eziqinile, njenge-BS 5041 Ingxenye 1, ahlolwa kakhulu ukuze kuqinisekiswe ukwethembeka nokuphepha. Le nqubo ivame ukwandisa izindleko zabo kodwa iqinisekisa ukusebenza okuphakeme.

Isithunzi somkhiqizi siphinde sibe nomthelela emananini. Imikhiqizo ethenjwayo njenge-NB World Fire, eyaziwa ngemikhiqizo yayo yekhwalithi ephezulu, ngokuvamile ibiza amanani aphezulu. Amakhasimende ayakwazisa ukuqinisekiswa kokuqina nokusebenza kahle, okwenza ukutshalwa kwezimali kube okufanelekile. Ukwengeza, ukonga izindleko zesikhathi eside kuthonya inani eliphelele lama-PRV. Ama-valve athembekile anciphisa izindleko zokulungisa futhi andise isikhathi sokuphila sezinhlelo zamapayipi omlilo, okuthethelela izindleko zawo zokuqala.

Ukonga izindleko zesikhathi eside ngokulungiswa okuncishisiwe kanye nokusebenza kahle okuthuthukisiwe

Ukutshala imali kuma-PRV kunikeza ukonga okukhulu kwesikhathi eside. Ngibonile ukuthi la ma-valve anciphisa kanjani ukuguga nokudabuka ezingxenyeni ze-hydrant ngokugcina amazinga okucindezela azinzile. Lokhu kunciphisa imvamisa yokulungiswa nokushintshwa, kwehlisa izindleko zokusebenza. Isibonelo, ukufakwa kwama-PRV ngokuvamile kubiza cishe u-$500,000. Kodwa-ke, isikhathi sokukhokha sisukela eminyakeni emibili kuya kwemithathu uma kucutshungulwa kokubili ukonga okusebenzayo nokongiwa kwezimali. Uma kuphela ukonga okusebenzayo kufakwe phakathi, isikhathi sokubuyisela sidlulela eminyakeni emithathu kuya kwemine.

Ama-PRV futhi akhulisa ukusebenza kahle kwesistimu ngokuqinisekisa ukugeleza kwamanzi okungaguquki phakathi nezimo eziphuthumayo. Lokhu kwethembeka kuthuthukisa imisebenzi yokucisha umlilo futhi kunciphisa isikhathi sokuphumula, kuphinde kube nomthelela ekongeni izindleko. Lapho uhlola intengo yevalvu yomshini wokucima umlilo, kubalulekile ukucabangela lezi zinzuzo zesikhathi eside. I-PRV yekhwalithi ephezulu, efana ne-E Type Pressure Reducing Valve, ayiqinisekisi ukuphepha kuphela kodwa futhi iletha izinzuzo zezezimali ngokuhamba kwesikhathi.

Isiqondiso Esisebenzayo Sokufakwa Nokugcinwa Kwe-PRV

Izindlela Ezinhle Zokufaka

Ukukhetha i-PRV efanele yesistimu yakho

Ukukhetha i-valve yokunciphisa umfutho efanele (PRV) kubalulekile ukuze kuqinisekiswe ukusebenza kahle ezinhlelweni zamapayipi omlilo. Ngincoma njalo ukulandela lezi zinyathelo ukwenza ukukhetha okufanele:

1. Ukuhambisana Namazinga: Khetha ama-PRV ahlangabezana namazinga okuphepha amazwe ngamazwe, njenge-BS 5041 Ingxenye 1, ukuze uqinisekise ukwethembeka phakathi nezimo eziphuthumayo.
2. Ukuhambisana Kwesistimu: Qinisekisa ukuthi i-PRV ifana nezicaciso zesistimu yakho, okuhlanganisa ububanzi bengcindezi nezinga lokugeleza.
3. Ukufakwa Okufanelekile: Landela uhlu lokuhlola olunemininingwane yokufakwa ukuze uqinisekise ukuthi ivalvu isebenza njengoba kuhlosiwe.
4. Ukuhlola Okujwayelekile: Hlela ukuhlola okuvamile ukuze ubone ukuguga noma ukulimala, ugxile ezimpawini nasekuxhumekeni.
5. Ukuhlanza Nokugcoba: Gcina i-valve ihlanzekile futhi usebenzise izinto zokugcoba ezingxenyeni ezihambayo ukuze zisebenze kahle.

Ngokunamathela kulezi zinqubo, ungathuthukisa ukuphepha nokusebenza kahle kohlelo lwakho lokuvikela umlilo.

Ukubekwa kahle nokusetha ukuqinisekisa ukusebenza kahle

Ukubekwa kahle kwama-PRV kubalulekile njengokukhetha ivalvu efanele. Ngibonile ukuthi ukubekwa okungalungile kungaholela kanjani ekuhlulekeni okuyinhlekelele. Isibonelo, emlilweni we-One Meridian Plaza wango-1991, ama-PRV asethwe ngokungafanele ahluleka ukunikeza ingcindezi eyanele, abeka engcupheni izicishamlilo kanye nabahlali bezakhiwo. Ukuze ugweme izingozi ezinjalo:

• Faka ama-PRV ezakhiweni eziphakeme ukuze ulawule ukunqwabelana kwengcindezi ezitezi eziphansi ezibangelwa amandla adonsela phansi.
• Qinisekisa ukuthi ingcindezi yesistimu ihlala ingaphansi kuka-175 psi ukuze uvikele izingxenye ezifana nezifafaza namapayipi ompompi.
• Yenza ukuhlola nokuhlola njalo ukuze uqinisekise ukubekwa nokusebenza okufanele.

Lezi zinyathelo ziqinisekisa ukuthi ama-PRV asebenza ngempumelelo, evikela kokubili izimpilo nengqalasizinda.

Ukulinganisa nokulungiswa

Ukusetha amazinga okucindezela alungile amapayipi omlilo

Ukulinganisa ama-PRV kubalulekile ekugcineni amazinga okucindezela anembile. Ngilandela indlela ehlelekile yokuqinisekisa ukunemba:

1. Nquma indawo yokusetha yegeji yokucindezela bese ulawula umthombo wokucindezela ngokufanele.
2. Hlola ukuvuza ngemva kokusetha ukuze uqinisekise ukufakwa okuphephile.
3. Khulisa ukucindezela kancane kancane kuze kube yilapho i-valve ivula, bese ubhala ukufundwa kwengcindezi.
4. Nciphisa kancane ukugeleza ukuze ubheke ukucindezela kwe-valve yokuvuselela kabusha bese uyibhala phansi.
5. Phinda inqubo izikhathi ezintathu ukuze uqinisekise ukuvumelana.

Le ndlela iqinisekisa ukuthi ama-PRV aletha ingcindezi ezinzile phakathi nezimo eziphuthumayo, okuthuthukisa ukusebenza kahle kokucisha umlilo.

Ukuhlola ngezikhathi ezithile ukuze kugcinwe ukunemba

Ukuhlola okuvamile kubalulekile ukuze kuqinisekiswe ukuthi ama-PRV asebenza ngendlela efanele ngokuhamba kwesikhathi. Ngokwe-NFPA 291, ukuhlolwa kokugeleza kwamanzi kufanele kwenziwe njalo eminyakeni emihlanu ukuze kuqinisekiswe umthamo wamapayipi kanye nokumaka. Futhi ngincoma ukuhlolwa kokulinganisa ngezikhathi ezithile ukuze kugcinwe ukufundwa kwengcindezi okunembile. Lezi zinqubo zisiza ukuhlonza izinkinga ezingase zibe khona kusenesikhathi, kuvinjwe ukulungiswa okumba eqolo kanye nokuqinisekisa ukuthi uhlelo luhlala luthembekile.

Amathiphu Okunakekela

Ukuhlolwa okuvamile ukuhlonza ukuguga noma ukulimala

Ukuhlolwa okujwayelekile kuyisihluthulelo sokwelula isikhathi sokuphila sama-PRV. Ngihlala ngibheka izimpawu ezijwayelekile zokuguga noma zokulimala, njenge:

• Ukungalungi ku-pilot head spool kanye nesihlalo.
• Ukuvinjwa kulayini wokudonsa amanzi.
• Imfucumfucu noma umonakalo ku-spool oyinhloko ongase uvimbe ukuvalwa okufanele.
• Ukungcola okubangela ukuthi i-spool enkulu inamathele.
• I-pilot head spring eyonakele ithinta ukusebenza.

Ukubhekana nalezi zinkinga ngokushesha kuqinisekisa ukuthi i-PRV iyaqhubeka nokusebenza kahle.

Ukuhlanza nokushintsha izingxenye njengoba kudingeka

Ukugcina ama-PRV ehlanzekile kungesinye isinyathelo esibalulekile sokunakekela. Ngincoma ukuthi kukhishwe izinsalela ezingase ziphazamise ukusebenza kwevalvu futhi kushintshwe izingxenye ezigugile njengezigxivizo noma amadiski. Ukusebenzisa izinto zokugcoba ezifanele ezingxenyeni ezihambayo nakho kusiza ekugcineni ukusebenza kahle. Le mikhuba elula kodwa ephumelelayo inciphisa ingozi yokwehluleka kwesistimu futhi yelule impilo yesevisi ye-valve.

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Isikhathi sokuthumela: Feb-24-2025