Li-valve tsa ho theola mollo li sebetsa e le likarolo tsa bohlokoa lits'ebetsong tsa ts'ireletso ea mollo. Ba lumella bo-ralitima-mollo hore ba hokele li-hoses ho phepelo ea metsi ka nepo. Moralo le tšebetso ea karolo ka 'ngoe ea li-valve, joalo kae tšehali threaded lulisa valvele eabelofo ea ho lulisa ea koporo ea flange, e ama ka ho toba katleho ea boiteko ba ho arabela mollong. E hlokometsoeng hantle3 tsela ea ho lulisa valvee netefatsa phallo e nepahetseng ea metsi nakong ea maemo a tšohanyetso.
Mefuta ea Li-valve tsa ho Lula ha Mollo
Li-valve tsa ho theola mollo li tla ka mefuta e fapaneng, e 'ngoe le e' ngoe e etselitsoe lits'ebetso tse ikhethileng maemong a indasteri le a bolulo. Ho utloisisa mefuta ena ho thusa ho netefatsa karabo e sebetsang ea mollo.
Mofuta o mong o tloaelehileng ke oaMollo oa Hydrant Landing Valve. Belofo ena e sebelisa litšepe tse sa jeng, tse matlafatsang polokeho le ho tšoarella nako e telele. E hokahana habonolo le lithapo tsa mollo, ho lumella bo-ralitima-mollo ho fumana metsi ka potlako nakong ea maemo a tšohanyetso.
Mofuta o mong ke oaMofuta oa Flange Landing Valve. Li-valve tsena li na le likhokahano tse tiileng tse fanang ka ts'epo e ntlafalitsoeng. E bohlokoa ka ho khetheha libakeng tseo ho tsona khatello e phahameng e leng bothata, e leng se etsang hore e be khetho e ratoang bakeng sa lits'ebetso tsa indasteri.
The3 Way Landing Valvee ts'ehetsa litsamaiso tse tenyetsehang tsa ts'ireletso ea mollo. E lumella lits'ebetso tse fapaneng, e nolofalletsang li-hose tse ngata ho hokela ka nako e le 'ngoe. Tšobotsi ena e bohlokoa haholo nakong ea maemo a tšohanyetso a maholo moo metsi a phallang ka potlako a leng bohlokoa.
Libakeng tsa bolulo, li-valve tse nang lelikhokahano tse khoelehangata li ratoa. Ba hloka sebaka se senyenyane mme ba nolofatsa ho kenya. Ka lehlakoreng le leng,dikgokelo tse flangedli ratoa maemong a indasteri ka lebaka la bokhoni ba tsona ba ho sebetsana le likhatello tse phahameng tsa mohala ka polokeho.
| Mofuta oa Valve | Tlhaloso |
|---|---|
| Mollo oa Hydrant Landing Valve | E sebelisa litšepe tse sa jeng bakeng sa polokeho. |
| Mofuta oa Flange Landing Valve | E na le likhokahano tse tiileng bakeng sa ts'epo e ntlafalitsoeng. |
| 3 Way Landing Valve | E ts'ehetsa litsamaiso tse tenyetsehang tsa ts'ireletso ea mollo, e lumellang lits'ebetso tse fapaneng. |
Ka ho utloisisa mefuta ena ea li-valve tsa mollo, batho ka bomong ba ka etsa liqeto tse nang le tsebo mabapi le mekhoa ea bona ea tšireletso ea mollo.
Likarolo tsa Bohlokoa tsa Li-valve tsa ho Lula ha Mollo
'Mele oa Valve
'Mele oa valve o sebetsa e le mohaho o ka sehloohong oa valve ea ho lulisa mollo. E boloka likarolo tse ling kaofela 'me e phetha karolo ea bohlokoa ho laola phallo ea metsi.Hangata bahlahisi ba etsa lihlopha tsa li-valveho tloha lisebelisoa tse kangkoporo, aluminium, le tšepe e sa hloekang. Ntho e 'ngoe le e' ngoe e fana ka thepa e ikhethang e ntlafatsang ts'ebetso ea valve:
| Lintho tse bonahalang | Thepa |
|---|---|
| Koporo | E matla, e tiile, e na le matla a babatsehang, e thibela ho bola |
| Aluminium | E bobebe, e matla, e thibela ho bola |
| Ts'epe e sa beng le mabali | E tšoarella, e hana ho taboha le ho taboha |
Sebopeho le boholo ba 'mele oa valve li ama haholo katleho ea phallo ea metsi. Amoralo o otlolohileng o fokotsa khanyetso ea phallo le moferefere. Moqapi ona o lumella metsi ho phalla hantle, ho fihla moo a eang teng ka potlako. Ho theoha ha khatello e tlase ho bakoa ke moralo ona, e leng oa bohlokoa bakeng sa ho boloka melapo e matla ea metsi nakong ea maemo a tšohanyetso.
- Moqapi o otlolohileng o fokotsa moferefere, o lumella ho phalla ha metsi hamonate.
- Marotholi a tlase a khatello a thusa ho boloka melapo e matla ea metsi, e hlokahalang maemong a ho tima mollo.
- Saese e kopaneng e thusa ho kenya le ho hlokomela habonolo.
Sekhahla sa Valve
Sekhahla sa valve ke karolo e 'ngoe ea bohlokoa ea li-valve tsa ho lulisa mollo. E laola ho bula le ho koaloa ha valve, ho susumetsa ka ho toba ho phalla ha metsi. Moralo oa kutu ea valve, haholo-holo likarolo tse kang kutu e thibelang ho phatloha, e ntlafatsa boiketlo ba ts'ebetso nakong ea maemo a tšohanyetso. Moqapi ona o thibela kutu hore e se ke ea ntšoa ka lebaka la khatello ea ka hare, ho netefatsa ts'ebetso e sireletsehileng le e potlakileng.
Ho latela ISO 12567, valve e tlameha ho etsoa ho thibela kutu hore e se ke ea ntšoa ha lisebelisoa tse sebetsang kapa tsa ho tiisa li tlosoa. Tlhokahalo ena e matlafatsa polokeho nakong ea maemo a tšohanyetso a mollo ka ho etsa bonnete ba hore kutu ea valve e lula e tiile, e lumellang ts'ebetso e tšepahalang.
Libaka
Li-outlets ke libaka tsa khokahanyo holim'a valve ea ho lulisa mollo moo li-hoses li hokelang teng. Litlhophiso tse fapaneng tsa li-outlet li ama ho lumellana le lisebelisoa tsa ho tima mollo. Ho utloisisa litlhophiso tsena ho thusa ho netefatsa ts'ebetso e sebetsang ea ho tima mollo. Tafole e latelang e hlalosa litlhophiso tse tloaelehileng tsa outlet:
| Mofuta oa Tlhophiso | Tlhaloso | Tšusumetso ho Thepa ea ho Loantša Mollo |
|---|---|---|
| Sehlopha sa I | 2 1/2 ″ likhokahano tsa li-hose bakeng sa bo-ralitima-mollo | E netefatsa phallo e lekaneng bakeng sa ts'ebetso ea ho tima mollo |
| Sehlopha sa II | Li-hoses tse kentsoeng ka ho sa feleng lihokelong tsa 1 1/2 ″ | E fana ka phihlello ea hang-hang ea metsi bakeng sa ho tima mollo |
| Sehlopha sa III | Motsoako oa Sehlopha sa I le Sehlopha sa II | E fana ka ho feto-fetoha ha mekhoa ea ho tima mollo |
Litiiso le Gaskets
Litiiso le li-gaskets li phetha karolo ea bohlokoa ho boloka botšepehi ba li-valve tsa ho theola mollo. Li thibela ho lutla le ho netefatsa hore metsi a phalla hantle ka har'a sistimi. Litiiso tsa boleng bo holimo le li-gaskets li bohlokoa bakeng sa ts'ebetso e tšepahalang. Ho hlahlojoa khafetsa le ho nkeloa sebaka ha likarolo tsena ho ka thibela ho hloleha ho ka bang teng nakong ea maemo a tšohanyetso.
Mesebetsi ea Likarolo tsa Li-valve tsa Mollo oa Mollo
Taolo ea Phallo ea Metsi
Li-valve tsa ho theola mollo li bapala karolo ea bohlokoa hoho laola phallo ea metsi nakong ea ts'ebetso ea ho tima mollo. Li hokela tsamaisong ea phepelo ea metsi ea ka hare ea moaho, e lumellang bo-ralitima-mollo ho laola phano ea metsi ka nepo. Ka ho fetola sephahla sa valve, ba ka fetola lebelo la phallo, ho etsa bonnete ba hore metsi a fihla libakeng tse hlokahalang ho latela litlhoko tse khethehileng tsa boiteko ba ho tima mollo. Taolo ena e nepahetseng e bohlokoa bakeng sa ho eketsa katleho ea ts'ebetso ea ho tima mollo.
| Standard | Tlhaloso |
|---|---|
| NFPA 13 | E bolela bonyane nako ea ho koaloa ha li-valve tsa ho laola lits'ebetsong tsa ho fafatsa mollo ho thibela hamore ea metsi, ho netefatsa phallo e tšepahalang ea metsi nakong ea maemo a tšohanyetso. |
| NFPA 14 | E laola li-valve tsamaisong ea li-standpipe, tse bohlokoa bakeng sa ho fana ka phepelo ea metsi maemong a ho tima mollo. |
Taolo ea Khatello
Taolo ea khatello ke mosebetsi o mong oa bohlokoa oa li-valve tse thellang mollo. Li-valve tsena li boloka khatello ea metsi e tsitsitseng nakong ea maemo a tšohanyetso, e leng ea bohlokoa ka ho khetheha mehahong e phahameng. Li sebetsa ka ho lumella metsi hore a phalle ka har'a likamore tse fapaneng tse fetolang khatello ka bo eona. Sena se tiisa tlhahiso e tsitsitseng ea li-hoses tsa mollo le lisebelisoa tsa ho fafatsa, ho thibela ho fetoha ho ka sitisang boiteko ba ho tima mollo.
- Lipompo tsa mollo li matlafatsa khatello ea metsi ha phepelo e fokola.
- Li-gauge tsa khatello li lekola khatello ea hajoale bakeng sa ho latedisa habonolo.
- Liphaephe tse matla lia hlokahala ho sebetsana le khatello e phahameng ntle le ho lutla.
- Hangata lienjiniere li sebelisa libaka tsa khatello mehahong e melelele, e 'ngoe le e 'ngoe e na le pompo ea eona le li-valve ho boloka khatello e tsitsitseng.
Bokhoni ba ho laola khatello ka katleho bo thibela ho otla ha metsi, ho ka senyang liphaephe le lisebelisoa. Tšireletso ena ke ea bohlokoa bakeng sa ho boloka botšepehi ba tsamaiso ea mollo le ho netefatsa ts'ebetso e ka tšeptjoang nakong ea maemo a tšohanyetso.
Mekhoa ea Tšireletso
Mekhoa ea tšireletso ea li-valve tsa ho theola mollo e etselitsoe ho lumellana le litekanyetso tsa machaba tsa tšireletso ea mollo. Likarolo tsena li netefatsa hore li-valve li sebetsa ka botšepehi tlas'a maemo a phahameng a khatello, ho sireletsa lisebelisoa le basebetsi ba amehang boitekong ba ho tima mollo.
| Sebopeho | Tlhaloso |
|---|---|
| Ho latela melao | Li-valve tsa ho lulisa tsa AIP li kopana le litekanyetso tsa machaba tsa polokeho le ts'ebetso. |
| Lisebelisoa | E entsoe ka thepa e hananang le kutu hore e tšoarelle nako e telele. |
| Moralo | E fumaneha ka meralo e fapaneng ho ikamahanya le litlhoko tsa ho kenya lits'ebetsong tsa ts'ireletso ea mollo. |
| Tshebetso | E etselitsoe ts'ebetso e tšepahalang tlasa maemo a khatello e phahameng. |
| Setifikeiti | E entsoe ka tlasa lits'ebetso tse netefalitsoeng ke ISO bakeng sa boleng bo netefalitsoeng le ts'ebetso. |
Likarolo tsena tsa ts'ireletso ha li matlafatse feela ho tšepahala ha li-valve tsa ho lulisa mollo empa hape li tlatsetsa katlehong e akaretsang ea mekhoa ea tšireletso ea mollo. Ka ho etsa bonnete ba hore li-valve li sebetsa ka nepo, li thusa ho sireletsa bophelo le thepa nakong ea maemo a tšohanyetso.
Tlhokomelo Mekhoa e Molemo ka ho Fetisisa ea Li-valve tsa ho Lula ha Mollo
Ho boloka li-valve tsa ho theola mollo ke habohlokoa bakeng sa ho netefatsa hore li tšepahala nakong ea maemo a tšohanyetso. Litlhahlobo tsa khafetsa, mekhoa ea ho hloekisa, le mekhoa ea ho tlotsa li thusa haholo ho phela nako e telele le ts'ebetsong ea likarolo tsena tsa bohlokoa.
Litlhahlobo Tsa Kamehla
Ho hlahlojoa khafetsa ho thusa ho tseba mathata a ka bang teng pele a ka mpefala. Melao ea tšireletso ea mollo e khothaletsa linako tse itseng tsa tlhahlobo:
| Khafetsa ea ho Hlahloba | Lintho tse hlahlobiloeng |
|---|---|
| Letsatsi le letsatsi/Beke | Li-gauge, li-valve, likarolo tsa li-valve, tlhahlobo ea li-trim, likopano tse thibelang ho phalla ha morao, standpipe |
| Khoeli le khoeli | Li-gauge, li-valve, likarolo tsa li-valve, tlhahlobo ea li-trim, tsamaiso ea pompo ea mollo, likopano tse thibelang ho phalla ha morao, standpipe |
| Kotara | Lisebelisoa tsa alamo, likhokahano tsa lefapha la mollo, ho fokotsa khatello le li-valve tsa liphallelo, likhokahano tsa li-hose |
| Selemo le selemo | Li-valve, li-valve, tlhahlobo ea li-trim, litšebeletso tsa mollo tsa poraefete |
| Potoloho ea Lilemo tse 5 | Patlisiso e thibelang ka hare, li-valve, tlhahlobo ea likarolo tsa li-valve |
Ho hlahlojoa khafetsa ho thusa ho lemoha ho senya le ho senya, ho ka lebisang ho hlōleha ha likarolo. Ho lemoha pele ho nako ho tiisa hore ts'ebetso ea valve e lula e sa tsitsa, e fokotsa kotsi ea likotsi ka lebaka la lisebelisoa tse fosahetseng.
Mekhoa ea ho Hloekisa
Mekhoa e sebetsang ea ho hloekisa e bohlokoa bakeng sa ho boloka likarolo tsa valve ea ho lulisa mollong. Tafole e latelang e hlalosa mekhoa e khothaletsoang ea ho hloekisa:
| Mokhoa oa ho hloekisa | Tlhaloso |
|---|---|
| Anti-corrosion Coatings | Etsa litlolo ho thibela kutu le mafome holim'a likaroloana tsa valve. |
| Litlhahlobo Tsa Kamehla | Etsa litlhahlobo ho fumana matšoao a pele a mafome le ho bola. |
| Liborashe tsa terata/ Ho qhomisa lehlabathe | Sebelisa mekhoa ena ho tlosa mafome a teng ho li-valve. |
| Kopo ea Rust Inhibitor | Sebelisa li-inhibitors kapa li-primer ka mor'a ho hloekisa ho itšireletsa khahlanong le tšenyo e tlang. |
| Ho Fetola Likarolo Tse Senyehileng | Kenya sebaka sa likarolo tse jeleng setsi haholo ho boloka ts'ebetso. |
Ho kenya ts'ebetsong mekhoa ena ea ho hloekisa ho thusa ho netefatsa hore li-valve li sebetsa hantle le ka mokhoa o sireletsehileng.
Mekhoa ea ho Lubrication
Lubrication e nepahetseng ke ea bohlokoa bakeng sabotshepehi ba tshebetsoea li-valve tsa ho lulisa mollo. Li-lubricant tse khothalelitsoeng li kenyelletsa:
- Fuchs FM Grease 387 bakeng sa li-hydrants.
- Qoba mafura a boleng ba lijo a nang le acetate.
Ho tlotsa kamehla ho fokotsa likhohlano le ho khathala, ho thibela tšenyo e tlang pele ho nako. E boetse e fana ka tšireletso e sireletsang khahlanong le mongobo le lintho tse senyang, ho netefatsa hore ho sebetsa hantle. Ho latela litaelo tsa moetsi bakeng sa maqhubu a lubrication ho matlafatsa ts'ebetso ea valve le nako ea bophelo.
Mathata a Tloaelehileng le Tharollo ea Mathata bakeng sa Li-valve tsa ho Lula ha Mollo
Ho dutla
Ho lutla ha li-valve tsa ho lulisa mollo ho ka hlaha ho tsoa linthong tse 'maloa. Lisosa tse tloaelehileng li kenyelletsa botsofali, tšenyo, ho kenngoa kapa tlhokomelo e sa lokelang, ho bokella litšila, le litaba tse amanang le ho koaloa ha valve. Ho hlahlojoa khafetsa le ho sebeletsa li-valve ho thusa ho lemoha ho lutla kapele.
Keletso:Sebelisa theknoloji ea acoustic emission ho tseba ho lutla ha li-valve tse koetsoeng. Mokhoa ona o beha li-valve tsa ho itšehla thajana tse lutlang ho ipapisitsoe le phello ea bona ho tahlehelo ea ho itšehla thajana, ho fokotsa tahlehelo ea mocheso le ho netefatsa ROI ea ho lokisa.
Ho lokisa ho lutla hantle, nahana ka mekhoa e latelang:
| Mokhoa | Tlhaloso |
|---|---|
| Theknoloji ea Acoustic Emission | E hloaea ho lutla ha li-valve tse koetsoeng, e thusang ho etelletsa litokiso pele. |
Kobo
Corrosion e baka ts'okelo e kholo ho likarolo tsa li-valve tse thellang mollo, haholo-holo libakeng tse mongobo. Lintho tse tlatsetsang ho bola li kenyelletsa boteng ba litšepe tse sa tšoaneng, li-electrolyte tse tsamaisang, le maemo a tikoloho. Metsi a setseng a ho hlahlojoa le ho kokobetsa ho ka potlakisa ho thehoa ha mafome.
Ho fokotsa kutu, sebelisa mehato ena ea thibelo:
- Khetha lisebelisoa tsa boleng bo holimo, tse sa jeng bakeng sa kaho ea li-valve.
- Sebelisa liphahlo tse sireletsang ho itšireletsa khahlanong le likarolo tsa tikoloho.
- Etsa tlhokomelo ea kamehla ho rarolla mefokolo efe kapa efe ea sebopeho.
Ho khomarela Valve
Ho khomarela li-valve ho ka etsahala nakong ea maemo a tšohanyetso ka lebaka la phoso ea motho kapa ho tšoaroa ka tsela e fosahetseng. Basebetsi ba ka 'na ba lebala ho tiisa li-flange ka mor'a tlhokomelo, e leng se lebisang ho se sebetse hantle. Ho hloka puisano nakong ea liphetoho tsa li-shift ho ka boela ha fella ka hore boitsebiso bo bohlokoa bo hloloheloe.
Ho fokotsa kotsi ea ho khomarela li-valve, nahana ka mekhoa ena ea tlhokomelo:
- Phethaho hlahloba khafetsa ho sheba hore na ha ho na mafome kapa mafome.
- Hloekisa bokahare ba khabinete ho tlosa lerōle le litšila.
- Lubricate valve ho etsa bonnete ba hore ts'ebetso e sebetsa hantle.
Ka ho rarolla mathata ana a tloaelehileng, li-valve tsa ho lulisa mollo li ka sebetsa ka mokhoa o ts'eptjoang, ho netefatsa karabelo e sebetsang ea mollo ha ho hlokahala.
Ho utloisisa likarolo tsa valve ea ho lulisa mollo ho bohlokoa bakeng sa ho tima mollo ka katleho. Likarolo tsena li netefatsa phallo ea metsi e tšepahalang nakong ea maemo a tšohanyetso. Tlhokomelo ea kamehla ea li-valve tsa ho lulisa mollo e matlafatsa polokeho le ts'epo ea ts'ebetso. Tlhokomelo e nepahetseng e thibela ho hloleha le ho netefatsa hore bo-ralitima-mollo ba ka arabela ka potlako ha motsotsoana o mong le o mong o baloa.
LBH
Morero oa valve ea ho lulisa mollo ke ofe?
Li-valve tsa ho theola mollo li kopanya li-hose ho phepelo ea metsi, ho etsa hore metsi a phalle ka katleho nakong ea ts'ebetso ea ho tima mollo.
Li-valve tsa ho lulisa mollo li lokela ho hlahlojoa hangata hakae?
Hlahloba li-valve tsa ho lulisa mollo khafetsa, hantle khoeli le khoeli, ho netefatsa hore li sebetsa hantle le ho tseba mathata a ka bang teng esale pele.
Ke lisebelisoa life tse atisang ho sebelisoa li-valve tsa ho lulisa mollo?
Hangata bahlahisi ba sebelisa koporo, aluminium, le tšepe e sa jeleng paate bakeng sa li-valve tse thellang mollong ka lebaka la ho tšoarella ha tsona le ho se bola ha tsona.
Nako ea poso: Sep-09-2025