Ngo-2025, izicishamlilo zidinga ukunemba nokwethembeka. I-Screw Landing Valve iye yavela njengetshe legumbi ezinhlelweni zanamuhla zokuvikela umlilo, enikeza ukusebenza okungenakuqhathaniswa ekulawuleni ukugeleza kwamanzi nokucindezela ukuqinisekisa ukuthi izicishamlilo zingaphendula ngokuphumelelayo ezimweni eziphuthumayo.Incazelo: I-Oblique Landing Valve iwuhlobo lwe-globe iphethini ye-hydrant valve. Lawa mavalvu okuhlalisa ohlobo lwe-oblique ayatholakala nge-flanged inlet noma i-screwed inlet futhi akhiwe ukuze athobele izinga le-BS 5041 Ingxenye 1 enoxhumo lwepayipi lokulethwa kanye nekepisi elingenalutho elihambisana ne-BS 336:2010 ejwayelekile. Ama-valve okuhlalisa ahlukaniswa ngaphansi kwengcindezi ephansi futhi afanele ukusetshenziswa ekucindezelweni okuzisholo kokungena kuze kufike kumabha ayi-15. Iziphetho zangaphakathi zokusakaza zawo wonke amavalvu ezekhwalithi ephezulu eqinisekisa umkhawulo wokugeleza ophansi ohlangabezana nemfuneko yokuhlolwa kokugeleza kwamanzi okujwayelekile.Lokhu okusha kuye kwachaza kabusha ukusebenza kahle kuzo zombili izimo zokucisha umlilo zasemadolobheni nasezimbonini, kuqinise indima yayo njengengxenye ebalulekile ezinhlelweni zokuvikela umlilo.

Okuthathwayo Okubalulekile

• Ama-valve okuhlalisa ama-Screw asiza ukulawula umfutho wamanzi kalula kubacimi bomlilo.
• Izicishamlilo zingashintsha amazinga okugeleza kwamanzi ngokushesha ngesikhathi sezimo eziphuthumayo.
• Lawa ma-valve enziwe ngethusi eliqinile, ngakho ahlala isikhathi eside.
• Basebenza kahle ngisho nangaphansi kwengcindezi ephezulu noma izimo ezinzima.
• Ama-valve okuhlalisa isikulufu alingana namathuluzi esimanje okucisha umlilo, njengobuchwepheshe obuhlakaniphile.
• Lokhu kwenza ukucisha umlilo kusheshe futhi kuphumelele.
• Zonga amanzi ngesikhathi sokucisha umlilo, okubalulekile emadolobheni.
• Amadolobha avame ukuba namanzi alinganiselwe, ngakho-ke kuyadingeka ukonga.
• Lawa ma-valve alandela imithetho yezokuphepha emhlabeni wonke ukuze aqinisekise ukuthi asebenza kahle.
• Lokhu kubenza babaluleke kakhulu ekuvimbeni imililo ngokuphepha.

Ukuqonda ama-Screw Landing Valves

Iyini I-Screw Landing Valve?

Ngivame ukuchazai-valve yokumisa isikulufanjengomgogodla wezinhlelo zesimanje zokucisha umlilo. Kuyi-valve ekhethekile eyenzelwe ukulawula ukugeleza kwamanzi kumasethingi okuvikela umlilo. Ngokungafani namanye ama-valve, ine-screw mechanism evumela ukulawulwa okunembile komfutho wamanzi. Lokhu kuyenza ibaluleke kakhulu ezimeni zokucisha umlilo lapho ukunemba nokuthembeka kubaluleke kakhulu. Ukwakhiwa kwayo okuqinile nokuhambisana nezindinganiso zamazwe ngamazwe kuqinisekisa ukuthi isebenza ngokungenasici ngaphansi kwengcindezi.

Izici Eziyinhloko Ze-Screw Landing Valves

I-screw landing valve igqama kakhulu ngenxa yedizayini yayo ethuthukisiwe kanye nemininingwane yobuchwepheshe. Nakhu ukubuka konke okusheshayo kokuthi yini eyenza ihluke:

Lezi zici ziqinisekisa ukuthi i-valve iletha ukusebenza okungaguquki, ngisho nasezimweni ezinzima kakhulu. Ukuhambisana kwayo nemishini evamile yokucisha umlilo kuthuthukisa futhi ukuguquguquka kwayo.

Asebenza Kanjani Ama-Screw Landing Valves Ezinhlelweni Zokulwa Nomlilo

Uma ngicabanga ngamasistimu okucisha umlilo, ngibona ivalve yokumisa isikulufa njengengxenye ebalulekile. Ixhuma ezikhuphukeni ezimanzi, iqinisekisa ukutholakala kwamanzi okuqhubekayo ngesikhathi sezimo eziphuthumayo. Indlela yesikulufu se-valve ivumela izicishamlilo ukuthi zilungise umfutho wamanzi ngokunemba, okubalulekile ekulawuleni amandla omfudlana wamanzi. Izinga layo eliphakeme lokugeleza lamalitha angu-8.5 ngomzuzwana ku-4 bar outlet pressure liqinisekisa ukuthi amanzi afinyelela emlilweni ngokushesha nangempumelelo. Lokhu kusebenza kahle kungenza umehluko omkhulu ezimweni ezisongela ukuphila.

Ukwakhiwa kwethusi okuqinile kwe-valve namazinga okuhlola aqinile aqinisekisa ukwethembeka. Kungakhathaliseki ukuthi ifakwe ogwini noma ngaphandle kosebe, ihlala iyisinqumo esithembekile sezinhlelo zokuvikela umlilo. Ikhono layo lokumelana nezingcindezi eziphezulu kanye nezimo ezinzima kwenza kube inketho ekhethwayo yezidingo zesimanje zokucisha umlilo.

Izinzuzo zeScrew Landing Valves in Firefighting

Ukulawula Ukucindezela Kwamanzi Okunembile

Uma ngicabanga ngokucisha umlilo, ngiyaqonda ukuthi ingcindezi yamanzi ibaluleke kangakanani ekucimeni imililo ngempumelelo. Ii-valve yokumisa isikulufaiphumelela kakhulu ekunikezeni ukulawula okunembile phezu komfutho wamanzi. I-screw mechanism yaso ivumela izicishamlilo ukuthi zilungise izinga lokugeleza ngokunemba, ziqinisekise ukuthi inani elifanele lamanzi lifinyelela emlilweni. Lokhu kunemba kunciphisa ukumoshwa kwamanzi futhi kuthuthukisa ukusebenza kahle kwemisebenzi yokucisha umlilo. Isibonelo, phakathi nezimo zokucindezela okuphezulu, i-valve iqinisekisa ukuthi ukucindezela kwamanzi kuhlala kuzinzile, ukuvimbela ukulimala kwamapayipi nezinye izinto zokusebenza. Leli zinga lokulawula lingenza umehluko omkhulu ezimeni ezisindisa ukuphila.

Ukwethembeka Ezimweni Ezibucayi

Ezimweni eziphuthumayo, ukwethembeka akuxoxiswana. I-valve yokumisa isikulufa igqama njengengxenye ethembekile ezinhlelweni zokucisha umlilo. Ukwakhiwa kwayo okuqinile kwethusi nokuthobelana namazinga e-BS 5041 Ingxenye 1 kuqinisekisa ukusebenza okungaguquki ngaphansi kwezimo ezimbi kakhulu. Ngibonile ukuthi ikhono layo lokumelana nezingcindezi ezifika kumabha ayi-15 liqinisekisa kanjani ukuthi isebenza ngokungenasici uma ibaluleke kakhulu. Kungakhathaliseki ukuthi isetshenziswa ezindaweni eziphakeme zasemadolobheni noma ezindaweni zezimboni, le valve iletha izicishamlilo ezinokwethenjelwa ukuze zibhekane nemililo ngempumelelo. Ukuqina kwayo nokuhlola okuqinile kuyenza ibe ukukhetha okuthembekile ezimeni ezibucayi.

Qaphela: Izinga lokugeleza okuphezulu kwevalvu elingu-8.5 amalitha ngesekhondi ku-4 bar outlet pressure liqinisekisa ukutholakala kwamanzi okuzinzile, ngisho nasezimweni ezinzima kakhulu.

Ukuzivumelanisa nezimo Ezinhlelweni Zesimanje Zokuvikela Umlilo

Izinhlelo zesimanje zokucisha umlilo zidinga ukuguquguquka, futhi i-valve yokumisa isikulufa ikhuphukela enseleleni. Ihlanganisa ngaphandle komthungo nokusetha okuthuthukisiwe kokuvikela umlilo, okuhlanganisa izikhuphukeli ezimanzi namasistimu amapayipi amanzi. Ngiqaphele ukuthi indlela yayo yokulawula i-hydraulic, ene-diaphragm, ilungisa kanjani umfutho wamanzi ngokusekelwe ezidingweni zesistimu. Lokhu kuzivumelanisa nezimo kuqinisekisa ukuthi izicishamlilo zithola umfutho wamanzi ofanele ukuze zisebenze ngempumelelo. Ukwengeza, idizayini yayo ivumela izinhlelo zokusebenza zasogwini nasogwini, okuyenza ibe nezinto ezihlukahlukene ezindaweni ezahlukahlukene. Ngokuhlangabezana nezindinganiso zamazwe ngamazwe kanye nokusingatha izingcindezi zokungena ezifika ku-15 imigoqo, i-valve ifakazela amandla ayo okuzivumelanisa nezidingo ezihlukahlukene zokucisha umlilo.

Ukuqina Ezimweni Eziqinile

Uma ngihlola imishini yokucisha umlilo, ukuqina kugqama njengento ebalulekile. Ukucisha umlilo kuvame ukwenzeka ezimeni ezimbi kakhulu, kusukela ekushiseni okushisayo kuya emazingeni okushisa aqandayo. I-screw landing valve iphumelela kakhulu kulezi zindawo ezinokhahlo, ngenxa yokwakhiwa kwayo kwethusi eliphezulu kanye nenqubo yokukhiqiza ecophelelayo. Lo mklamo oqinile uqinisekisa ukuthi i-valve ingakwazi ukumelana nokuguga nokukhala okukhulu, igcine ukusebenza kwayo ngisho nangaphansi kwezimo ezinzima kakhulu.

Ngibonile ukuthi ikhono le-valve lokusingatha izingcindezi ezifika kumabha ayi-15 likwenza kube ukukhetha okuthembekile kukho kokubili izinhlelo zokusebenza zokucisha umlilo zasemadolobheni nezimboni. Ukuthobela kwayo izindinganiso ze-BS 5041 Ingxenye 1 kuqinisekisa futhi ukuqina kwayo. Kungakhathaliseki ukuthi ichayeke ezintweni ezonakalisayo ekufakweni okungasogwini noma ukushisa okukhulu komlilo, i-valve ihlala ingathinteki. Lokhu kwethembeka kunikeza abacimi bomlilo ukuzethemba abakudingayo phakathi nemisebenzi ebucayi.

Esinye isici engikwazisayo ukuthi i-valve imelana nokulimala kwangaphakathi. Ukusakaza kwangaphakathi okubushelelezi kunciphisa imikhawulo yokugeleza, kunciphisa ubungozi bokuguga ngokuhamba kwesikhathi. Lesi sici asigcini nje ngokuthuthukisa ukusebenza kahle kwayo kodwa futhi sandisa isikhathi saso sokuphila. Ngibonile ukuthi lokhu kuqina kuhumusha kanjani ezindlekweni zokunakekela ezincishisiwe kanye nokushintshwa okumbalwa, okukwenza kube yisixazululo esingabizi kakhulu sezinhlelo zokuvikela umlilo.

Ngokuhlangenwe nakho kwami, ukuqina kwevalve yokumisa isikulufa akuqhathaniswa. Isebenza ngokungaguquki ezindaweni eziyinselele, iqinisekisa ukuthi izicishamlilo zingathembela kuyo uma ibaluleke kakhulu. Lokhu kuqina kuqinisa isikhundla sayo njengengxenye ebalulekile ezinhlelweni zesimanje zokucisha umlilo.

Ukuqhathanisa ama-Screw Landing Valves nezinye Izinhlobo zeValve

Amavalufu Okubeka Isikulufu aqhudelana namavavu esango

Uma ngiqhathanisa ama-valve okwehla ngezikulufo nama-valve esango, umehluko uyacaca. Ama-valve esango asebenza ngokuphakamisa isango ukuvumela ukugeleza kwamanzi, okuwenza afanelekele izindawo ezivulekile noma ezivaliwe ngokugcwele. Nokho, abanakho ukunemba okudingekayo ekucimeni umlilo. Ngakolunye uhlangothi, ama-valve okuhlalisa ama-Screw, ahamba phambili ekulawuleni umfutho wamanzi ngokunemba. Indlela yabo yesikulufu ivumela izicishamlilo ukuthi zilungise izinga lokugeleza ukuze lifane nesimo. Lokhu kunemba kuqinisekisa ukusetshenziswa kahle kwamanzi ngesikhathi sezimo eziphuthumayo.

Omunye umehluko oyinhloko ungokuqina. Ama-valve amasango avame ukudonsa kanzima ezindaweni ezinomfutho omkhulu ngenxa yokwakheka kwawo. Ama-valve okuhlalisa ama-Screw, anokwakhiwa kwawo okuqinile kwethusi, amelana nezingcindezi ezifika kumabha ayi-15. Lokhu kubenza babe ukukhetha okuthembekile kwezinhlelo zokucisha umlilo, ikakhulukazi ezimeni ezibucayi.

Amavalufu Okubeka Isikulufu vs. Amavaluvu Ebhola

Amavalvu ebhola asebenzisa ibhola elizungezayo elinembobo ukulawula ukugeleza kwamanzi. Nakuba zisebenza kahle ekuvaleni ngokushesha, azikwazi ukulawula okucushwe kahle okunikezwa amavalvu okuhlalisa ngezikulufu. Ekucimeni umlilo, ngibonile ukuthi ikhono lokulawula umfutho wamanzi lingenza umehluko omkhulu. Ama-valve okuhlalisa ama-Screw ahlinzeka ngale nzuzo, eqinisekisa ukuthi izicishamlilo zingakwazi ukuzivumelanisa nezimo ezihlukahlukene zomlilo.

Ukuqina nakho kwenza lezi zibili zihluke. Ama-valve ebhola, ngokuvamile enziwe ngezinto ezilula, angase angakwazi ukubekezelela izimo ezinzima zokucisha umlilo. Ama-valve okuhlalisa isikulufu, aklanywe ngethusi lekhwalithi ephezulu, asebenza ngokwethembeka ezindaweni ezidlulele. Ukuthobela kwabo izindinganiso zamazwe ngamazwe kuqinisa ngokwengeziwe ukufaneleka kwabo ezinhlelweni zokuvikela umlilo.

Kungani ama-Screw Landing Valves elungele ukucisha umlilo

Ngokuhlangenwe nakho kwami, ama-valve okumisa ngezikulufa agqama njengenketho efanelekile yokucisha umlilo. Ukulawula kwawo umfutho wamanzi okunembile, ukwakhiwa okuqinile, nokuvumelana nezimo zesimanje kuwenza abaluleke kakhulu. Ngokungafani nezinye izinhlobo zama-valve, ahlanganisa ngaphandle komthungo nokusetha okuthuthukisiwe kokucima umlilo, okuqinisekisa ukusebenza kahle. Ikhono labo lokusingatha izingcindezi eziphezulu kanye nezimo ezinzima zinikeza izicishamlilo ukuzethemba abakudingayo ngesikhathi sezimo eziphuthumayo.

Idizayini yevalvu yokumisa isikulufa ibeka phambili ukusebenza kahle nokuthembeka. Ukuhambisana kwayo nemishini evamile yokucisha umlilo nokuhambisana nezindinganiso ze-BS 5041 Ingxenye 1 kugqamisa ikhwalithi yayo ephakeme. Kungakhathaliseki ukuthi isetshenziswa ezindaweni zasemadolobheni noma zezimboni, ihlinzeka ngokuqhubekayo ukusebenza okudingekayo ukubhekana nemililo ngempumelelo.

Iqhaza Le-Screw Landing Valves ngo-2025

Ukuhlanganiswa ne-Smart Firefighting Technologies

Ngo-2025, izicishamlilo zamukele ubuchwepheshe obuhlakaniphile, futhi ngibonile ukuthi i-valve yokumisa isikulufa ihlangana kanjani ngaphandle komthungo kulezi zinhlelo ezithuthukile. Izilungiselelo zesimanje zokucisha umlilo zivame ukufaka izinzwa ezinikwe amandla i-IoT nezilawuli ezizenzakalelayo. Lobu buchwepheshe buthembele ezingxenyeni ezingaletha ukunemba nokuthembeka, futhi ivalvu yokumisa isikulufu ingena kahle kulolu hlaka. Ikhono layo lokulawula ukugeleza kwamanzi nokucindezela liqinisekisa ukuthi amasistimu ahlakaniphile angakwazi ukuthuthukisa ukulethwa kwamanzi ngokusekelwe kudatha yesikhathi sangempela. Ngokwesibonelo, phakathi nomlilo, izinzwa zingakwazi ukubona ubukhulu nendawo yamalangabi, futhi i-valve ilungisa umfutho wamanzi ngendlela efanele. Leli zinga lokuhlanganisa lithuthukisa ukusebenza kahle kokucisha umlilo futhi linciphise izikhathi zokuphendula.

Ukwengeza, ukwakhiwa okuqinile kwe-valve nokuhambisana nezindinganiso zamazwe ngamazwe kuyenza ibe ukukhetha okuthembekile kumasistimu azenzakalelayo. Ngiye ngaqaphela ukuthi ukuhambisana kwayo nakho kokubili okokusebenza kwendabuko nesimanje kuqinisekisa ukuguquguquka okushelelayo kweminyango yomlilo ethuthukisa ingqalasizinda yayo. Lokhu kuzivumelanisa nezimo kubeka i-valve yokubeka isikulufa njengesidlali esibalulekile enkathini yokucisha umlilo ngobuhlakani.

Ukubhekana Nezidingo Zokulwa Nomlilo Emadolobheni Nezimboni

Izindawo zasemadolobheni nezimboni zinezinselelo eziyingqayizivele zokucisha umlilo. Izakhiwo eziphakeme, amafekthri abanzi, nezindawo ezinabantu abaningi zifuna imishini ekwazi ukusebenza ngaphansi kwezimo ezihlukahlukene. I-screw landing valve iphumelela kakhulu kulezi zimo. Ikhono layo lokusingatha izingcindezi ezifika kumabha ayi-15 liqinisekisa ukuthi lingakwazi ukuletha amanzi ezindaweni ezingaphezulu zamabhilidi noma ezindaweni ezinkulu zezimboni. Ngibonile ukuthi ukulawulwa kwayo okunembayo kwengcindezi kunciphisa kanjani ukumoshwa kwamanzi, okubalulekile ezindaweni zasemadolobheni lapho imithombo yamanzi ingase ibe nomkhawulo.

Ezindaweni zezimboni, ukuqina kwevalvu kuyagqama. Izimo ezinzima, njengokuchayeka kumakhemikhali noma amazinga okushisa aphezulu, zidinga izingxenye ezingakwazi ukumelana nokuguga. Ukwakhiwa kwethusi levalvu yokumisa isikulufa kanye nenqubo yokukhiqiza ecophelelayo ikwenza kube ukukhetha okuthembekile kulezi zinhlelo zokusebenza ezinzima. Noma ngabe icisha umlilo efekthri noma esakhiweni sokuhlala, le valve ihlale iletha izidingo zezicishamlilo ezisebenzayo.

Ukuthuthukisa Amazinga Okuvikela Umlilo

Ukuhlangabezana nezindinganiso zesimanje zokuvikela umlilo kudinga okokusebenza okubeka kuqala ukuphepha, ukwethembeka, nokusebenza kahle. I-screw landing valve idlala indima ebalulekile ekufezeni lezi zinhloso. Idizayini yayo iqinisekisa ukucindezela kwamanzi okufanelekile kokucisha umlilo okuphumelelayo, kuyilapho ukuhambisana kwayo nezindinganiso ze-BS 5041 Ingxenye 1 kuqinisekisa ukuphepha nokwethembeka. Ngibonile ukuthi ikhono layo lokulawula ukugeleza kwamanzi kanye nomfutho wegazi linomthelela kanjani ekuhlangabezaneni noma ukweqa lezi zindinganiso.

• Ilawula ukugeleza kwamanzi nokucindezela ngokunemba.
• Iqinisekisa umfutho wamanzi ofanele wokucisha umlilo okuphumelelayo.
• Inikeza ukuphepha nokuthembeka ezinhlelweni zokuvikela umlilo.

Lezi zici azigcini nje ngokuthuthukisa ukusebenza kahle kokucisha umlilo kodwa futhi zibeka ibhentshimakhi yezinye izingxenye ezinhlelweni zokuvikela umlilo. Ngokuhlanganisa i-screw landing valve, iminyango yomlilo ingaqinisekisa ukuthi imishini yabo ihambisana nezindinganiso eziphakeme kakhulu, inikeza ukuthula kwengqondo phakathi nemisebenzi ebucayi.

Ngikholelwa ngokuqinile ukuthi i-valve yokumisa isikulufa isiyithuluzi elibalulekile ekucimeni umlilo kwesimanje. Ikhono layo lokulawula ukugeleza kwamanzi nokucindezela liqinisekisa ukuthi izicishamlilo zithola amanzi anembile adingekayo ukuze kuliwe nomlilo ngempumelelo. Lokhu kwethembeka kubavumela ukuthi bagxile emsebenzini wabo ngokuzethemba emishinini yabo. Njengoba amasistimu okuvikela umlilo athuthuka, ivalve yokumisa isikulufu izohlala iyitshe legumbi, inikela ngokunemba okungenakuqhathaniswa, ukuguquguquka, nokuqina. Iqhaza layo ekuthuthukiseni ukusebenza kahle kwezicishamlilo ligqamisa ukubaluleka kwakho ekuvikeleni izimpilo kanye nempahla.

FAQ

Yini eyenza i-Screw Landing Valve ihluke kwamanye amavalvu okucisha umlilo?

II-Screw Landing Valveigqama kakhulu ngenxa yokulawula kwayo umfutho wamanzi okunembayo, ukwakhiwa kwethusi eliqinile, nokuthobelana namazinga e-BS 5041 Ingxenye 1. I-screw mechanism yaso iqinisekisa ukuthi izicishamlilo zingakwazi ukulungisa ukugeleza kwamanzi ngokunembile, okuwenza alungele izimo ezibucayi zokucisha umlilo.

Ingabe i-Screw Landing Valve ingaphatha izimo ezimbi kakhulu?

Yebo, kungaba. Ukwakhiwa kwayo kwethusi eliphezulu kanye nenqubo yokukhiqiza ecophelelayo kuyivumela ukuthi imelane nezingcindezi ezifika kumabha ayi-15 kanye nezindawo ezinokhahlo. Kungakhathaliseki ukuthi kusezindaweni eziphakeme zasemadolobheni noma ekufakweni ogwini, isebenza ngokwethembeka ngaphansi kwezimo ezimbi kakhulu.

Ingabe i-Screw Landing Valve iyahambisana nezinhlelo zesimanje zokucisha umlilo?

Nakanjani. I-valve ihlanganisa ngaphandle komthungo nokusetha okuthuthukisiwe kokuvikela umlilo, okuhlanganisa izikhuphukeli ezimanzi namasistimu amapayipi amanzi. Idizayini yayo ivumela zombili izinhlelo zendabuko kanye ne-IoT-enabled, iqinisekisa ukuzivumelanisa nezimo kubuchwepheshe besimanje bokucisha umlilo.

I-Screw Landing Valve ithuthukisa kanjani ukusebenza kahle kokucisha umlilo?

Ukulawula ukucindezela kwayo okunembile kunciphisa ukumoshakala kwamanzi futhi kuqinisekise ukulethwa kwamanzi aphelele. Ngesilinganiso sokugeleza samalitha angu-8.5 ngomzuzwana ekucindezelweni kwe-4 bar outlet, inikeza izicishamlilo ngamanzi adingekayo ukuze kuliwe nomlilo ngokuphumelelayo.

Ingafakwa kuphi i-Screw Landing Valve?

I-valve ilungele kokubili ukusetshenziswa ogwini nangaphandle kosebe. Ivamise ukufakwa ezikhuphukeleni ezimanzi ezinhlelweni zamapayipi omlilo, iqinisekisa ukutholakala kwamanzi okuzinzile kwemizamo yokucisha umlilo ezindaweni zokuhlala, zezimboni, nezentengiso.