Khatello e phahameng ea metsi lits'ebetsong tsa mollo e baka likotsi tse tebileng. E ka senya lisebelisoa, ea fokotsa ts'ebetso ea ho tima mollo, 'me ea senya polokeho. Ka mohlala, ketsahalo e bohloko e ileng ea etsahala One Meridian Plaza ka 1991 e ile ea totobatsa kamoo li-valve tse fokotsang khatello tse behiloeng ka tsela e sa lokelang li ka behang bo-ralitima-mollo le batho ba lulang mohahong kotsing. Mehaho e phahameng e na le mathata a eketsehileng, kaha khatello e feteletseng e ka senya thepa ea tšireletso ea mollo, eo ka tloaelo e sebetsanang le 175 psi.

Ho rarolla mathata ana, ke itšetlehile ka Mofuta oa Khatello ea Khatello ea Valve E ka NB World Fire. Valve ena e tiisa khatello e tsitsitseng ea metsi, e sireletsang litsamaiso le bophelo. Moqapi oa eona o matla le ho lumellana le litekanyetso tsa machaba ho etsa hore e be khetho e ka tšeptjoang har'a bahlahisi ba phahameng ba li-valve tsa mollo oa mollo.

Lintlha tsa bohlokoa

• Mofuta oa E o Fokotsang Khatello o boloka khatello ea metsi e tsitsitse. E sireletsa lits'ebetso tsa mollo le ho thusa ho loantša mollo hamolemo.
• Ho kenya le ho boloka valve ea Mofuta oa E ho bohlokoa haholo. Sena se tiisa hore se sebetsa hantle 'me se tšoarella nako e telele.
• Sephahla sa Mofuta oa E se thusa ho latela melao le melao ea polokeho. E fokotsa likotsi 'me e etsa hore taolo ea mollo e atlehe haholoanyane.
• Ho reka li-valve tse ntle joalo ka Mofuta oa E ho boloka chelete ka nako. E hloka ho lokisoa hanyane mme e nka nako e telele.
• Ho khetha moetsi ea tšepahalang ea kang NB World Fire ho bohlale. Lihlahisoa tsa bona li matla 'me li sebetsa hantle maemong a tšohanyetso.

Ho Utloisisa Mofuta oa E O Fokotsang Khatello ea Valve

Tlhaloso le Morero

TheKhatello ea ho Fokotsa Valve E Mofutae bapala karolo ea bohlokoa lits'ebetsong tsa ts'ireletso ea mollo. E etsa bonnete ba hore khatello ea metsi e lula e tsitsitse, leha khatello ea ho kena e fetoha. Ke e nka e le tšireletso e thibelang khatello e feteletseng ho tloha lisebelisoa tse senyang kapa ho fokotsa katleho ea boiteko ba ho thibela mollo. Belofo ena e etselitsoe ka ho khetheha ho laola phallo ea metsi, e etsa hore e be karolo ea bohlokoa lits'ebetsong tsa litima-mollo tse lebopong le kantle ho lebopo. Sepheo sa eona se hlakile-ho boloka polokeho le katleho maemong a mahlonoko.

Likarolo tsa Bohlokoa le Litlhaloso

Valve ea Mofuta oa E e hlahella ka lebaka la kaho ea eona e matla le thepa ea boleng bo holimo ea koporo. E khona ho sebetsana le khatello ea "inlet" ka lebitso ho fihla ho li-bar tsa 20, e leng se etsang hore e tšoanelehe bakeng sa maemo a mangata a fapaneng. Ntho e 'ngoe eo ke e fumanang e khahla ka ho khetheha ke bokhoni ba eona ba ho boloka khatello e sa feleng ea ho tsoa, ​​​​leha khatello ea ho kena e fapana lipakeng tsa 7 le 20 bar. Basebelisi ba ka fetola khatello ea phallo lipakeng tsa 5 le 8 bar ho fihlela litlhoko tse ikhethileng tsa sistimi.

Belofo e boetse e ithorisa ka sekhahla sa phallo ea bonyane lilithara tse 1400 ka motsotso, ho netefatsa phepelo ea metsi a mangata nakong ea maemo a tšohanyetso. Ho lahlela ka hare ho eona ho fokotsa lithibelo tsa phallo, e leng ho e thusang ho fihlela litlhoko tse thata tsa tlhahlobo ea phallo ea metsi. Ka ho latela BS 5041 Karolo ea 1 le litifikeiti tse kang ISO 9001:2015, valve ena e finyella litekanyetso tsa machaba. Likarolo tsena li etsa hore e be khetho e tšepahalang har'a baetsi ba li-valve tsa hydrant tse holimo tsa mollo.

Karolo ho Lits'ireletso tsa Mollo

Litabeng tsa ts'ireletso ea mollo, valve ea mofuta oa E e tiisa hore khatello ea metsi e lula e le ka har'a meeli e sireletsehileng. Ke hlokometse kamoo ho tsitsana hona ho sireletsang lisebelisoa hore li se ke tsa senyeha, ho lelefatsa bophelo ba tsona. E boetse e ntlafatsa bokhoni ba ho thibela mollo ka ho fana ka tekanyo e nepahetseng ea khatello ea metsi ho tima mollo ka katleho. Ebang ke mehahong e phahameng kapa mehahong ea liindasteri, valve ena e ikamahanya le maemo a sa tšoaneng, ho netefatsa ts'ebetso e ka tšeptjoang. Karolo ea eona ke ea bohlokoa ho boloka botšepehi ba lits'ebetso tsa ts'ireletso ea mollo.

Mathata a Khatello e Phahameng ea Metsi ka Metsing ea Mollo

Likotsi tsa Tšenyo ea Thepa le Ho Roa

Khatello e phahameng ea metsi e ka baka tšenyo lits'ebetsong tsa ts'ireletso ea mollo. Ke bone kamoo ho phahama ha khatello ea tšohanyetso, hangata ho bitsoang hamore ea metsi, ho ka bakang tšenyo e khōlō. Maqhubu ana a baka maqhubu a khatello a ka 'nang a feta 50 barg (740 psi), ho feta khatello e tloaelehileng ea ho sebetsa ea 12 barg (175 psi). Liphello e ka ba tlokotsi.

• Lisebelisoa tsa liphaephe li ka 'na tsa phatloha kapa tsa phatloha ka tlas'a khatello.
• Li-valve casings li ka hloleha, tsa lebisa ho lutla kapa ho senyeha ho felletseng ha sistimi.
• Lisebelisoa, tse etselitsoeng likhatello tse tlaase, hangata ha li sebetse hantle kapa li fetoha tse sa tšepahaleng.

Litaba tsena ha li sekisetse ts'ebetso ea sistimi feela empa li boetse li lebisa ho litokiso tse bitsang chelete e ngata le ho fokotsa nako. Ke kahoo kamehla ke hatisang bohlokoa ba ho sebelisa valve e ka tšeptjoang ea ho fokotsa khatello joaloka Mofuta oa E ho fokotsa likotsi tsena.

Ho se sebetse hantle ha Khatello ea Mollo

Ha khatello ea metsi e phahame haholo, mekhoa ea ho thibela mollo hangata e hlōleha ho sebetsa kamoo ho neng ho reriloe kateng. Ke hlokometse hore khatello e feteletseng e ka senya mekhoa ea ho fafatsa ea li-sprinklers kapa nozzles, ho fokotsa katleho ea tsona. Ho e-na le hore metsi a laolehe esita le ho ajoa, u ka fumana li-spray kapa moholi o sa tsitsang, o ka sieang libaka tse mahlonoko li sa sireletsoa.

Ho se sebetse hona ho ka liehisa ho tima mollo, ho eketsa kotsi ea tšenyo ea thepa le ho beha bophelo kotsing. Ka ho boloka khatello e tsitsitseng, valve ea Mofuta oa E e tiisa hore metsi a fihla mollong ka mokhoa o atlehang ka ho fetisisa. Ho tsitsana hona ho bohlokoa haholo meahong e mekato e phahameng le litsing tsa indasteri moo motsotsoana o mong le o mong o leng bohlokoa.

Tšireletseho le Matšoenyeho a Boitšoaro

Ho boloka khatello e nepahetseng ea metsi ha se taba ea ts'ebetso feela; hape ke taba ea polokeho le ho latela melao. Litekanyetso tsa ts'ireletso ea mollo joaloka NFPA 20 li hloka hore ho sebelisoe li-valve tsa khatello ea khatello ho thibela khatello e feteletseng tsamaisong ea pompo ea mollo. NFPA 13 e totobatsa tlhokeho ya kgatello ya metsi e lekaneng ho fihlela ditlhoko tsa dibaka tse thata ka ho fetisisa tsamaisong ya ho fafatsa. Ho feta moo, NFPA 25 e totobatsa hore khatello e sa lekaneng e ka etsa hore sistimi ea ho fafatsa mollo e senyehe.

Ke fumane hore ho latela litekanyetso tsena ha ho netefatse tšireletseho ea baahi feela empa hape ho qoba liphello tse ka bang teng tsa molao le tsa lichelete. Ho sebelisa sehlahisoa se netefalitsoeng joalo ka valve ea Mofuta oa E, e lumellanang le litekanyetso tsa machabeng, ho thusa ho fihlela litlhoko tsena tse thata. Ke ka lebaka leo baetsi ba li-valve tsa hydrant tsa mollo ba etelletsang pele boleng le ho latela meralo ea bona.

Kamoo Mofuta oa PRV E o Rarollang Mathata a Phahameng a Khatello ea Metsi

Mokhoa oa ho sebetsa

Mofuta oa PRV E o sebetsa ka nepo ho laola khatello ea metsi ka katleho. Ke hlokometse hore mochine oa eona o itšetlehile ka likarolo tse peli tsa bohlokoa:

Moralo ona o etsa bonnete ba hore valve e ikamahanya le likhatello tse feto-fetohang tsa ho kena, ho boloka khatello e tsitsitseng ea ho tsoa. Ke bone kamoo ho feto-fetoha hona ho thibelang tšenyo ea liphaephe le ho netefatsa litšebeletso tse sebetsang ho basebelisi. Mofuta oa PRV E o boetse o arabela ka potlako ho maemo a fapaneng a tlhokahalo, e leng se etsang hore e be khetho e tšepahalang bakeng sa litsamaiso tsa mollo.

Lintlha tsa Moqapi bakeng sa Ts'ebetso e Ntlafetseng

Mofuta oa PRV E o hlahella ka lebaka la moralo oa ona o nahanang. Kaho ea eona e matla ea koporo e tiisa hore e tšoarella, esita le libakeng tse boima. Ke ananela kamoo ho lahlela ka hare ho fokotsang lithibelo tsa ho phalla, e leng ho thusang ho boloka ho fana ka metsi kamehla. Bokhoni ba valve ea ho sebetsana le likhatello tse kenang ho fihla ho mekoallo ea 20 le ho boloka likhatello tsa ho tsoa lipakeng tsa 5 le 8 li fana ka maemo bakeng sa maemo a fapaneng a ts'ireletso ea mollo.

Ntho e 'ngoe eo ke e bonang e khahla ke lebelo la eona la phallo e phahameng ea lilithara tse 1400 ka motsotso. Sena se tiisa hore metsi a lekaneng a fihla mollong nakong ea maemo a tšohanyetso. Ho lumellana ha valve le litekanyetso tsa machaba, tse kang BS 5041 Karolo ea 1 le ISO 9001:2015, ho totobatsa ho tšepahala ha eona. Likarolo tsena li etsa hore e be khetho e ratoang har'a baetsi ba li-valve tsa hydrant tse holimo tsa mollo.

Melemo ea ho Sebelisa Mofuta oa PRV E Lits'ebetsong tsa Mollo

Ho sebelisa mofuta oa PRV E ho litsamaiso tsa mollo ho fana ka melemo e mengata. Ntlha ea pele, e sireletsa lisebelisoa ka ho thibela khatello e feteletseng, e fokotsang ho senya le ho senya. Ea bobeli, e ntlafatsa ts'ebetso ea ho tima mollo ka ho fana ka khatello e tsitsitseng ea metsi, ho netefatsa ho thibela mollo ka katleho. Ntlha ea boraro, e thusa ho finyella litekanyetso tsa tšireletso le ho lumellana, tse bohlokoa bakeng sa ho qoba likotsi tsa molao le tsa ts'ebetso.

Ke hlokometse hore metrics ea tloaelo ea ts'ebetso hangata e haella ha ho hlahlojoa li-PRV tlas'a maemo a fapaneng a tlhokeho. Mofuta oa PRV E o ipabola ka ho boloka ho nepahala ha taolo ea khatello ea sepheo le ho fokotsa khatello ea tlhōrō nakong ea ts'ebetso ea taolo. Sena se etsa hore e be karolo e ka tšeptjoang bakeng sa marang-rang a kabo ea metsi, haholo-holo meahong e phahameng le litsing tsa indasteri.

Tataiso e sebetsang bakeng sa ho kenya, ho lekanya, le ho hlokomela

Mehato ea ho Tseba ka nepo

Ho kenya Mofuta oa E o Fokotsang Khatello ka nepo ho bohlokoa bakeng sa ts'ebetso e nepahetseng. Kamehla ke qala ka ho etsa bonnete ba hore valve e lumellana le litlhaloso tsa tsamaiso. Mona ke lenane le bonolo leo ke le latelang:

1. Hlahloba Valofo: Pele ke kenya, ke hlahloba tšenyo leha e le efe e bonahalang kapa mefokolo.
2. Ho beha maemo: Ke etsa bonnete ba hore valve e kenngoa ka mokhoa o nepahetseng, ka tataiso ea phallo e lumellanang le moralo oa tsamaiso.
3. Khokahano: Ho itšetlehile ka setupong, ke sebelisa e ka bang flanged kapa screwed inlet ho sireletsa valve.
4. Ho tiisa: Ke tiisa likhokahano tsohle ho thibela ho lutla, ke sebelisa lisebelisoa tse loketseng ho qoba ho tiisa ho feta tekano.

Keletso: Kamehla sheba litataiso tsa moetsi bakeng sa litaelo tse khethehileng tsa ho kenya.

Malebela a Calibration bakeng sa Ts'ebetso e Ntle

Ho lekanya valve ho netefatsa hore e boloka khatello e lakatsehang ea ho tsoa. Ke latela mehato ena ho fihlela ts'ebetso e nepahetseng:

• Phetoho ea pele: Ke beha valve ho khatello e khothalletsoang ea ho tsoa, ​​hangata pakeng tsa 5 le 8 bars.
• Teko: Ke tsamaisa metsi ka tsamaiso ho hlahloba khatello ea khatello.
• Liphetoho: Haeba ho hlokahala, ke etsa liphetoho tse nyane ho tsitsipano ea selemo ho lokisa maemo a khatello.

Hlokomela: Licheke tsa kamehla tsa calibration li thusa ho boloka ts'ebetso le polokeho ea sistimi.

Tlhokomelo Mekhoa e Metle ea ho Etsa bonnete ba Bophelo bo Bolelele

Tlhokomelo ea kamehla e lelefatsa bophelo ba valve. Mona ke kamoo ke e bolokang e le maemong a holimo:

• Litlhahlobo tsa Kamehla: Ke hlophisa licheke tsa kamehla bakeng sa ho senyeha, ho tsepamisa maikutlo ho litiiso le likhokahano.
• Ho hloekisa: Ke hloekisa valve ho tlosa litšila leha e le life tse ka amang ts'ebetso ea eona.
• Lubrication: Ke sebelisa mafura a loketseng likarolong tse tsamaeang ho netefatsa hore li sebetsa hantle.

Khopotso: Tlhokomelo e tsitsitseng ha e ntlafatse ts'ebetso feela empa hape e lumellana le litekanyetso tse behiloeng ke baetsi ba li-valve tsa mollo o phahameng ka ho fetisisa.

Hobaneng u Khetha NB World Fire le Top Fire Hydrant Valve Manufacturers

Ho lumellana le Melao ea Machaba

Kamehla ke etelletsa pele thepa ea tšireletso ea mollo e lumellanang le litekanyetso tsa machaba. Sena se tiisa hore lisebelisoa li etsa liteko tse matla le ho fumana setifikeiti. Ka mohlala:

• Lihlahisoa tse netefalitsoeng joalo ka Mofuta oa Khatello ea Khatello ea Valve E li netefatsa ts'ebetso e tšepahalang nakong ea maemo a tšohanyetso.
• Ba fokotsa kotsi ea ho hlōleha, e ka lebisang ho ata ha mollo le ho beha bophelo kotsing.
• Thepa e sa laoleheng hangata e hloleha ka linako tse mahlonoko, e behang thepa le batho kotsing.

Valve ea Mofuta oa E, e entsoeng ke NB World Fire, e kopana le BS 5041 Karolo ea 1 le ISO 9001: litekanyetso tsa 2015. Lisetifikeiti tsena li mpha khotso ea kelello, ke tseba hore valve e tla sebetsa joalo ka ha e reretsoe ha e le bohlokoa haholo.

Poloko ea Litšenyehelo tsa Nako e telele le ho Tšepahala

Ho kenya chelete ka thepa ea boleng bo phahameng ba tšireletso ea mollo ho boloka chelete ka nako. Ke hlokometse hore lihlahisoa tse tšepahalang li fokotsa litšenyehelo tsa tlhokomelo le ho lelefatsa nako ea bophelo ea lisebelisoa tsa mollo. Valofo ea Mofuta oa E, e nang le kaho ea eona e matla ea koporo, e mamella maemo a boima. Bokhoni ba eona ba ho boloka khatello e tsitsitseng bo boetse bo thibela ho senyeha ha likarolo tse ling tsa tsamaiso.

Ka ho khetha NB World Fire, ke rua molemo lihlahisoa tse tšoarellang tse hlokang ho nkeloa sebaka khafetsa. Ho tšepahala hona ha nako e telele ho fetolela ho boloka litšenyehelo tse kholo. Ke boetse ke ananela litheko tsa tlholisano tse fanoang ke NB World Fire, e lekanyang ho khona ho iphelisa le boleng.

Karolo ea Baetsi ba Kaholimo ho Netefatsa Boleng

Baetsi ba holimo ba kang NB World Fire ba phetha karolo ea bohlokoa ho fana ka lisebelisoa tsa boleng bo phahameng ba tšireletso ea mollo. Ha ke khetha moetsi, ke nahana ka lintlha tse 'maloa:

• Botumo: Ke etsa lipatlisiso ka litlhahlobo le bopaki ho netefatsa hore moetsi o na le rekoto e matla ea pina.
• Boikemisetso: NB World Fire e fana ka litšebeletso tsa OEM, tse ntumellang ho hlophisa lihlahisoa ho latela litlhoko tse itseng.
• Tšehetso ea tekheniki: Litšebeletso tsa bareki tse arabelang li netefatsa hore ke fumana thuso bophelong bohle ba sehlahisoa.
• Boleng: Ke batla ho leka-lekana pakeng tsa litšenyehelo tsa pele le melemo ea nako e telele.

NB World Fire e ipabola libakeng tsena kaofela. Boitlamo ba bona ba boleng le khotsofalo ea bareki bo ba etsa lebitso le tšeptjoang har'a bahlahisi ba phahameng ba li-valve tsa hydrant fire.

Mofuta oa E o Fokotsang Khatello oa Valve o phetha karolo ea bohlokoa ho laola khatello e phahameng ea metsi lits'ebetsong tsa mollo. Moralo oa eona o matla le ho latela maemo a machaba a netefatsa ts'ebetso e tšepahalang. Ke ananela ho ikamahanya le maemo, haholo-holo ka likarolo tse kang litlhophiso tse ka fetoloang tšimong tse lumellang bo-ralitima-mollo ho fetola khatello ea ho tsoa nakong ea maemo a tšohanyetso. Ho kenya, ho lekanya hantle, le tlhokomelo e nepahetseng ke tsa bohlokoa ho eketsa melemo ea eona.

• Lintlha tse ka sehloohong tsa ho ikamahanya le maemo li kenyelletsa:
  • Litlhophiso tsa khatello tse feto-fetohang bakeng sa maemo a matla.
  • Boenjiniere bo nepahetseng ho netefatsa ts'ebetso e tsitsitseng.

Ho khetha NB World Fire e tiisa boleng le botšepehi ba nako e telele, e leng se etsang hore e be khetho e tšepahalang bakeng sa mekhoa ea tšireletso ea mollo.

LBH

Morero oa Valve e Fokotsang Khatello litsamaisong tsa mollo ke ofe?

A Sephahla se Fokotsang Khatelloe netefatsa hore khatello ea metsi e lula ka har'a meeli e sireletsehileng. Ke bone kamoo e thibelang overpressurization, e sireletsang lisebelisoa le ho etsa bonnete ba ho thibela mollo ka katleho. Ke karolo ea bohlokoa bakeng sa ho boloka ts'epo ea sistimi le polokeho nakong ea maemo a tšohanyetso.

Ke tseba joang haeba Mofuta oa PRV E o lumellana le sistimi ea ka ea litima-mollo?

O ka hlahloba lintlha tsa sistimi, ho kenyelletsa khatello ea inlet le sekhahla sa phallo. Mofuta oa PRV E o sebetsana le li-bar tse 20 tsa khatello ea ho kena 'me o fana ka tekanyo e fokolang ea ho phalla ea lilithara tse 1400 ka motsotso. Kamehla ke khothaletsa ho buisana le tataiso ea moetsi bakeng sa ho lumellana.

Ke lokela ho boloka Mofuta oa PRV E hangata hakae?

Ke etsa tlhahiso ea ho hlophisa licheke tsa tlhokomelo likhoeling tse ling le tse ling tse tšeletseng. Ho hlahlojoa khafetsa, ho hloekisa le ho tlotsa ho netefatsa hore valve e sebetsa hantle. Ho latela mokhoa ona ho thusa ho lelefatsa nako ea bophelo le ho boloka sistimi ea hau ea mollo e lumellana le litekanyetso tsa polokeho.

Na mofuta oa PRV E o ka sebetsana le likhatello tse feto-fetohang tsa inlet?

E, e ka khona. Ke bone kamoo moralo oa eona o bolokang khatello e sa feleng ea ho tsoa, ​​leha likhatello tsa inlet li fapana lipakeng tsa 7 le 20 bar. Ho ikamahanya le maemo ho netefatsa ts'ebetso e tsitsitseng, e leng ea bohlokoa bakeng sa ho thibela mollo ka katleho.

Hobaneng ke lokela ho khetha NB World Fire bakeng sa lisebelisoa tsa polokeho ea mollo?

NB World Fire e fana ka lihlahisoa tsa boleng bo holimo tse finyellang litekanyetso tsa machaba tse kang BS 5041 Karolo ea 1 le ISO 9001:2015. Ke tšepa tsebo ea bona, kaha ba fana ka tharollo e tšoarellang, e ka tšeptjoang le e ka khonehang bakeng sa litlhoko tse fapaneng tsa tšireletso ea mollo. Boitlamo ba bona ba khotsofalo ea bareki bo ba khetholla.