Ho khetha valve e nepahetseng ho bapala karolo ea bohlokoa ho netefatseng polokeho e ntle ea mollo.Valve ea Angle e LetonaleValve e otlolohilengli fapana ka moralo le ts'ebetso ea tsona, e leng se etsang hore li lokele litsamaiso tse fapaneng. Mohlala, litlhoko tsa ho kenya hangata li laola sebaka le mofuta oa valve, ho kenyeletsoaValve e otlolohilengleValve ea ho Lula. Li-valve tsa poso, joalo ka ha li hlalositsoe ke NFPA 14, li tlameha ho beoa bonyane limithara tse 40 ho tloha mehahong ntle le haeba ho na le mekhelo. Ho feta moo, li-poso tsa tsona li lokela ho ema lisenthimithara tse 32 ho isa ho tse 40 ka holimo ho sehlopha sa ho qetela. Likhetho tsa tlhokomelo le tsona lia fapana, joalo ka mofuta o mong le o mong oa li-valve, ho kenyeletsoa leValve ea Mocheso oa Mollo, e susumetsa phihlello le ho ba bonolo ho e sebelisa. Ho utloisisa liphapang tsena ho thusa ho etsa liqeto tse nang le tsebo tse etselitsoeng litlhophiso tse itseng tsa polokeho ea mollo.
Lintlha tsa Bohlokoa
- Li-valve tse sekhutlo se letona li sebetsa hantle lits'ebetsong tse nyane tsa polokeho ea mollo. Li laola phallo ea metsi ka katleho libakeng tse thata.
- Li-valve tse oblique li ntlafatsa phallo ea metsi le tahlehelo e tlase ea khatello. Li loketse litsamaiso tse nang le liphaephe tse telele.
- Nahana ka moralo oa sistimi ea haule litlhoko tsa tsona ha ho kgethwa valve. Divalve tse ka lehlakoreng le letona di sebetsana le kgatello e phahameng, ha divalve tse oblique di laola phallo hamolemo.
- Ho boloka li-valve li le boemong bo botleho bohlokoa haholo. Etsa bonnete ba hore ho bonolo ho li hlahloba le ho li hlokomela.
- Theko le eona ea bohlokoa. Li-valve tse ka lehlakoreng le letona hangata li bitsa chelete e nyane, empa li-valve tse otlolohileng li ka boloka chelete ha nako e ntse e ea ka tlhokomelo e fokolang.
Ho Utloisisa Li-valve tsa Sekhutlo se Nepahetseng
Likarolo tsa Bohlokoa tsa Li-valve tsa Sekhutlo se Letona
Li-valve tse ka lehlakoreng le letonake likarolo tsa bohlokoa lits'ebetsong tsa polokeho ea mollo, tse etselitsoeng ho laola phallo ea metsi ka katleho. Moralo oa tsona o ikhethang oa sekhutlo sa likhato tse 90 o lumella ho kenngoa ho honyenyane, e leng se etsang hore li be ntle bakeng sa libaka tse thata. Li-valve tsena li hahiloe ho fihlela litekanyetso tse thata tsa indasteri, ho netefatsa ts'epo le ts'ebetso.
| E tloaelehileng | Tlhaloso |
|---|---|
| ASME B16.34 | E theha lihlopha tsa khatello bakeng sa li-valve, e fumana khatello e phahameng ka ho fetisisa e lumelletsoeng ea ho sebetsa mochesong o fanoeng. |
| MSS SP-80 | E fana ka litlhoko tsa li-valve tsa koporo tse sebelisoang lits'ebeletsong tsa merero e akaretsang. |
| MSS SP-85 | E laola thepa le litekanyo tsa li-valve tsa tšepe e putsoa, ho kenyeletsoa le li-valve tsa angle. |
| NFPA 14 | E hloka di-valve tsa angle bakeng sa dikgokelo tsa hose hore di thathamiswe mme di be le dikgwele tsa National Hose Standard. |
| NFPA 14 (Ho Fokotsa Khatello) | E dumella di-valve tsa angle tsa hose tse fokotsang kgatello ho laola kgatello mehahong ya mekato e mengata. |
Ho phaella moo, maemo a kang ANSI/ISA-75.08.08-2015 a netefatsa ho lekana ha litekanyo tse shebaneng le bohareng, e leng se nolofatsang ho kopanngoa ha litsamaiso tsa liphaephe. ANSI/ISA-75.11.01-2013 e fana ka tataiso mabapi le ho lekola litšobotsi tsa phallo, e thusang ho khethoeng ha valve e nepahetseng bakeng sa lits'ebetso tse itseng.
Melemo le Mathata a Li-valve tsa Sekhutlo se Letona
Li-valve tse nang le sekhutlo se nepahetseng li fana ka melemo e 'maloa:
- Moralo o monyane o ntlafatsa sebaka lits'ebetsong tsa polokeho ea mollo.
- Ho bonolo ho e kenya le ho e hlokomela ka lebaka la sebopeho sa eona se bonolo.
- E lumellana le maemo a mangata a indasteri, e netefatsa polokeho le botshepehi.
Keletso: Tlhokomelo e tloaelehileng e ntlafatsa bophelo ba li-valve tsa sekhutlo se nepahetseng le ts'ebetso ea tsona.
Leha ho le jwalo, ho tshwaneleha ha tsona ho itshetlehile ka moralo wa sistimi le ditlhoko tsa kgatello. Ho buisana le moetsi ya tshepahalang jwalo ka Yuyao World Fire Fighting Equipment Factory ho netefatsa kgetho e nepahetseng bakeng sa ditlhoko tsa hao.
Nyeoe tse Molemohali tsa Tšebeliso bakeng sa Li-valve tsa Angle e Nepahetseng
Li-valve tse ka lehlakoreng le letona lia ipabola lits'ebetsong moo sebaka se fokolang kapa moo ho hlokahalang ho potoloha ha metsi ka likhato tse 90. Li sebelisoa hangata ho:
- Mehaho e melelele e hlokangtaolo ea khatello.
- Mekhoa ea ho fafatsa mollo e nyane.
- Libaka tsa indasteri tse nang le meralo e rarahaneng ea liphaephe.
Bokhoni ba tsona ba ho sebetsana le maemo a khatello e phahameng bo li etsa khetho e khethiloeng bakeng sa lits'ebetso tse hlokang tlhokomelo ea mollo.
Ho Hlahloba Li-valve tsa Oblique
Likarolo tsa Bohlokoa tsa Li-valve tsa Oblique
Li-valve tse oblique, tse tsejoang hape e le di-valve tsa diaphragm tsa radial, di etseditswe ho ntlafatsa bokgoni ba phallo le ho fokotsa tahlehelo ya kgatello. Moralo wa tsona o ikgethang wa mmele o beha dikou tsa ho kena le tsa ho ntsha ka tsela e otlolohileng, ho theha tsela ya phallo e otlolohileng haholoanyane. Sebopeho sena se fokotsa moferefere mme se ntlafatsa tshebetso ditsamaisong tsa polokeho ya mollo.
| Tšobotsi | Tlhaloso |
|---|---|
| Moralo oa 'Mele | Likou tsa ho kena le tsa ho tsoa li sekametse ka lehlakoreng le otlolohileng, e leng se fanang ka tsela e otlolohileng haholoanyane ea phallo. |
| Melemo | Ho theoha ha khatello ka mokhoa o itekanetseng ha ho bapisoa le li-valve tsa 'mele oa Z; e sebetsa hantle bakeng sa taolo ea phallo. |
| Mathata | Ha e atile haholo ebile ha e fumanehe haholo kapa ha e etsoe ka mokhoa o tloaelehileng joalo ka meralo e meng ea li-valve tsa globe. |
Moralo o tsoetseng pele oa li-valve tse oblique o boetse o kenyelletsa li-diaphragm tse tiileng tsa PTFE, tse lumellang mocheso o phahameng oa ho bolaea likokoana-hloko. Tšobotsi ena e atolosa linako pakeng tsa ho nkeloa sebaka ha li-diaphragm, e fokotsa litšenyehelo tsa tlhokomelo le ho ntlafatsa ho fumaneha ha sistimi.
Melemo le Mathata a Li-valve tsa Oblique
Li-valve tsa Oblique li fana ka melemo e 'maloa ea tekheniki e etsang hore e be khetho ea bohlokoa bakeng sa litsamaiso tsa polokeho ea mollo:
- Ho Ntlafatsa ho Ntlafatsa ha Metsi: Sekoahelo sa mohala se behiloe ka ntle ho valve, e leng se ntlafatsang ho hlwekisa le ho hlwekisa hantle.
- Ho Fokotseha ha Khatello: Tsela ea phallo e otlolohileng e fokotsa khanyetso, e netefatsa phallo ea metsi e boreleli.
- Ho tšoarella: Li-diaphragm tsa PTFE tse tiileng li mamella mocheso o phahameng, e leng se eketsang nako ea bophelo ba valve.
Hlokomela: Ho fapana le di-valve tse ka lehlakoreng le letona, di-valve tse oblique di tlosa maoto a shweleng tsamaisong ya diphaephe, tse ka bolokang ditshila ditshebedisong tse itseng.
Leha ho le jwalo, di-valve tse otlolohileng ha di atile haholo mme di kanna tsa se fumanehe haholo jwalo ka mefuta e meng ya di-valve. Ho buisana le mofani ya tshepahalang jwalo ka Yuyao World Fire Fighting Equipment Factory ho netefatsa phihlello ya di-valve tse otlolohileng tsa boleng bo hodimo tse etseditsweng ditlhoko tse itseng.
Nyeoe e Molemohali ea Tšebeliso bakeng sa Li-valve tsa Oblique
Li-valve tsa Oblique li loketse bakeng salitsamaiso tsa polokeho ea mollodi hloka taolo e sebetsang hantle ya phallo le tahlehelo e fokolang ya kgatello. Di loketse haholo bakeng sa:
- Mekhoa e nang le liphaephe tse telele moo ho fokotseha ha khatello ho lokelang ho fokotsoa.
- Libaka tse behang pele maemo a holimo a ho bolaea likokoana-hloko, joalo ka lipetlele kapa lilaboratori.
- Lisebelisoa moo ho hlokahalang ho hlwekisa kapa ho hlokomela khafetsa.
Moralo oa tsona o tsoetseng pele le litšobotsi tsa ts'ebetso li etsa hore li-valve tse otlolohileng e be khetho e tšepahalang bakeng sa libaka tse hlokang tšireletso mollong. Yuyao World Fire Fighting Equipment Factory e fana ka li-valve tse otlolohileng tse entsoeng ka boqhetseke ho fihlela litlhoko tsena, ho netefatsa polokeho le katleho ts'ebelisong e 'ngoe le e 'ngoe.
Ho Bapisa Li-valve tsa Sekhutlo se Nepahetseng le Li-valve tsa Oblique
Tshebetso ho Sistimi ea Polokeho ea Mollo
Tshebetso e bapala karolo ea bohlokoa ho khetholleng ho tšoaneleha ha valve bakeng sa litsamaiso tsa polokeho ea mollo. Li-valve tse ka lehlakoreng le letona lia ipabola litsamaisong tse nyane moo lithibelo tsa sebaka li hlokang taolo e sebetsang ea phallo ea metsi. Moralo oa tsona oa likhato tse 90 o netefatsa taolo e nepahetseng ea phallo, e leng se etsang hore li be ntle bakeng sa libaka tse nang le khatello e phahameng. Li-valve tsena li fihlela maemo a indasteri, ho kenyeletsoa le NFPA 14, e netefatsang ts'epo ea tsona lits'ebetsong tse thata.
Li-valve tse oblique, ka lehlakoreng le leng, e beha pele bokgoni ba phallo. Moralo wa tsona o otlolohileng o fokotsa pherekano mme o fokotsa tahlehelo ya kgatello, ho netefatsa hore phepelo ya metsi e ba bonolo. Tshebetso ena e etsa hore di sebetse hantle haholo ditsamaisong tse nang le diphaephe tse telele kapa ditshebediso tse hlokang sekgahla se tsitsitseng sa phallo. Dibaka tse kang dipetlele le dilaboratori di rua molemo ho di-valve tse oblique ka lebaka la bokgoni ba tsona ba ho boloka maemo a hodimo a ho hlwekisa ha di ntse di fana ka tshebetso e ntle ka ho fetisisa.
Mefuta ena ka bobeli ea li-valve e fana ka melemo e ikhethang. Li-valve tse ka lehlakoreng le letona li fana ka ho ba bokhutšoanyane le ho nepahala, ha li-valve tse otlolohileng li ntlafatsa katleho ea phallo le ho fokotsa ho theoha ha khatello. Ho khetha valve e loketseng ho latela litlhoko tse ikhethileng tsa sistimi ea polokeho ea mollo.
Mehopolo ea ho Kenya le Tlhokomelo
Ho kenya le ho hlokomela habonolo ho ama haholo ts'ebetso ea nako e telele ea li-valve tsa polokeho ea mollo. Li-valve tse ka lehlakoreng le letona li bonolo ho li kenya ka lebaka la moralo oa tsona o moqotetsane. Sebopeho sa tsona se bonolo se lumella ho hokahanya le ho kopanya kapele litsamaisong tsa liphaephe, e leng se fokotsang nako ea ho kenya. Tlhokomelo e bonolo ka ho lekana, kaha phihlello ea tsona e nolofatsa tlhahlobo le litokiso tsa kamehla.
Li-valve tse oblique li hloka ho beoa ka hloko ho eketsa katleho ea phallo ea tsona. Ho lokisoa hantle ha ho kenngoa ho thibela ho lutla le ho tsofala, ho netefatsa ho tšepahala ha nako e telele. Phihlello ea lisebelisoa e bohlokoa bakeng sa tlhokomelo, kaha litšitiso li ka sitisa tlhahlobo le litokiso. Liteko tsa kamehla tsa ts'enyeho, ho tsofala le ts'ebetso ea actuator lia hlokahala ho boloka ts'ebetso ea tsona.
| Bopaki | Tlhaloso |
|---|---|
| Tekanyo e Nepahetseng | Ho se tsamaisane hantle ha ho kenngwa ho ka lebisa ho dutleng, ho tsofala, esita le ho hloleheng ha valve ha nako e ntse e ya. Sebedisa disebediswa tsa ho tsamaisana hantle bakeng sa ho nepahala. |
| Phihlello | Kenya di-valve libakeng tse lumellang phihlello e bonolo nakong ea tlhokomelo. Nahana ka sebaka sa likarolo tse haufi ho qoba litšitiso. |
| Litlhahlobo tsa Kamehla | Etsa diteko tsa kamehla bakeng sa ho dutla, ho tsofala le ho bola. Hlahloba tshebetso ya actuator ho netefatsa hore e sebetsa ka tsela e arabelang le e nepahetseng. |
| Litlaleho tsa Tlhokomelo | Boloka direkoto tse nepahetseng le tse nakong tsa mesebetsi yohle ya tlhokomelo, ho kenyeletswa le ditlhahlobo, ditokiso le di-calibration. Ditokomane tsena di bohlokwa bakeng sa ho rarolla mathata ka katleho, ho latela tshebetso le ho latela melao. |
Fektheri ea Lefatše ea Lisebelisoa tsa ho Loantša Mollo ea Yuyao e fana ka li-valve tse entsoeng ka boqhetseke tse nolofatsang ho kenngoa le tlhokomelo, ho netefatsa ts'ebetso e ntle le ts'epo.
Papiso ea Litšenyehelo
Hangata ho nahaneloa ka litšenyehelo ho susumetsa khetho pakeng tsali-valve tse ka lehlakoreng le letonale di-valve tse otlolohileng. Di-valve tse ka lehlakoreng le letona hangata di theko e tlase ka lebaka la moralo wa tsona o bonolo le ho fumaneha ha tsona hohle. Sebopeho sa tsona se senyenyane se fokotsa ditjeo tsa thepa, e leng se etsang hore e be kgetho e bolokang tjhelete bakeng sa diporojeke tse shebaneng le tekanyetso.
Li-valve tse oblique, ka moralo oa tsona o tsoetseng pele le bokhoni ba phallo, li atisa ho ba theko e boima hanyane. Litšobotsi tsa tsona tse ikhethang, tse kang ho fokotseha ha khatello le ho tšoarella ho eketsehileng, li lokafatsa ntlha e phahameng ea theko. Meaho e behang pele ts'ebetso ea nako e telele le litšenyehelo tse fokolang tsa tlhokomelo hangata e fumana li-valve tse oblique e le letsete le nang le thuso.
Leha di-valve tse ka lehlakoreng le letona di fana ka theko e tlase le botshepehi, di-valve tse otlolohileng di fana ka tshebetso e phahameng le bokgoni. Yuyao World Fire Fighting Equipment Factory e netefatsa ditheko tse hlwahlwa bakeng sa mefuta ka bobedi ya di-valve, e fana ka ditharollo tsa boleng bo hodimo tse etseditsweng ditlhoko tse fapaneng tsa polokeho ya mollo.
Ho Khetha Valve e Nepahetseng bakeng sa Litlhoko tsa Hao tsa Polokeho ea Mollo
Lintlha Tse Lokelang ho Nahaneloa Ha U Khetha Valve
Ho khetha valve e nepahetseng bakeng sa litsamaiso tsa polokeho ea mollo ho hloka tlhahlobo e hlokolosi ea lintlha tse 'maloa tsa bohlokoa. Sistimi ka 'ngoe e na le litlhoko tse ikhethang, 'me ho utloisisa tsena ho ka thusa ho netefatsa ts'ebetso e ntle le polokeho. Lintlha tsa bohlokoa li kenyelletsa:
- Moralo le Sebopeho sa Sistimi: Valve e tlameha ho tsamaisana le sebopeho sa sistimi. Mohlala, sistimi e nyane e ka rua molemo ho Valve ea Sekhutlo se Letona ka lebaka la moralo oa eona o bolokang sebaka.
- Litlhoko tsa Tshebetso: Lekola bokhoni ba valve ba ho sebetsana le khatello le sekhahla sa phallo. Li-valve tse oblique, tse nang le khatello e fokotsehileng, li loketse litsamaiso tse hlokangphepelo ea metsi e sebetsang hantlemaeto a malelele.
- Ho latela Melao: Ho latela maemo a indasteri a kang NFPA 14 le OSHA 1910.307 ho netefatsa botshepehi le polokeho. Ho kwala mocheso, mohlala, ho ntlafatsa polokeho ka ho arola libaka ha mocheso o feteletseng o lemohuoa.
- Litšenyehelo le Tlhokomelo: Nahana ka litšenyehelo tsa pele le litlhoko tsa tlhokomelo ea nako e telele. Li-valve tsa Angle e Nepahetseng hangata li fana ka tharollo e theko e tlaase, athe li-valve tse oblique li ka fokotsa litšenyehelo tsa tlhokomelo ka lebaka la moralo oa tsona o tsoetseng pele.
Lithuto tsa lipalo-palo li totobatsa bohlokoa ba lintlha tsena. Litlaleho tsa NFPA li senola hore mello ea liindasteri e baka tšenyo e kaalo ka $1.2 bilione selemo le selemo US, 'me libaka tsa tlhahiso li ikarabella bakeng sa 30.5% ea mello e nang le tahlehelo e kholo ka 2022. Lipalo tsena li totobatsa tlhoko ea lisebelisoa tse tšepahalang le tse lumellanang le melao ea tšireletso ea mollo.
Li-valve tse ka lehlakoreng le letona le li-valve tse otlolohileng li sebeletsa merero e ikhethang lits'ebetsong tsa polokeho ea mollo. Li-valve tse ka lehlakoreng le letona li ipabola ka ho seta li-compact setup, li fana ka meralo e bolokang sebaka le taolo e nepahetseng ea phallo. Li-valve tse ka lehlakoreng le letona, ka litsela tsa tsona tsa phallo e otlolohileng, li netefatsa hore metsi a tsamaisoa hantle le hore khatello e fokotsehile, e leng se etsang hore li be ntle bakeng sa lits'ebetso tse nang le liphaephe tse telele tse tsamaeang.
Ho kgetha valve e nepahetseng ho itshetlehile ka mabaka a kang sebopeho sa sistimi, ditlhoko tsa tshebetso, le tekanyetso. Bakeng sa ditsamaiso tse nyane, valve e nang le sekhutlo se nepahetseng hangata ke kgetho e ntle ka ho fetisisa. Ditsamaiso tse hlokang phallo e sebetsang hantle le tahlehelo e nyane ya kgatello di rua molemo haholo ho di-valve tse oblique.
Fektheri ea Lefatše ea Lisebelisoa tsa ho Loantša Mollo ea Yuyao e fana ka li-valve tsa boleng bo holimo tse etselitsoeng litlhoko tse fapaneng tsa polokeho ea mollo. Tsebo ea bona e netefatsa litharollo tse tšepahalang bakeng sa ts'ebeliso efe kapa efe.
LBH
Phapang e ka sehloohong pakeng tsa li-valve tse nang le sekhutlo se nepahetseng le li-valve tse oblique ke efe?
Phapang e ka sehloohong e teng moralong oa tsona. Li-valve tse nang le sekhutlo se letona li na le ho reteleha ha likhato tse 90 bakeng sa ho kenya li-compact, ha li-valve tse oblique li na le tsela ea phallo e otlolohileng e fokotsang tahlehelo ea khatello. E 'ngoe le e 'ngoe e sebeletsa litlhoko tse itseng tsa sistimi ho latela litlhoko tsa sebopeho le ts'ebetso.
Na li-valve tse oblique li theko e boima ho feta li-valve tse nang le sekhutlo se letona?
E, hangata li-valve tse oblique li bitsa chelete e ngata ka lebaka la moralo oa tsona o tsoetseng pele le katleho ea phallo. Leha ho le joalo, ho tšoarella ha tsona le litlhoko tse fokotsehileng tsa tlhokomelo hangata li lokafatsa matsete a holimo a pele, haholo-holo bakeng sa litsamaiso tse hlokang ts'ebetso ea nako e telele.
Ke valve efe e betere bakeng sa litsamaiso tse nang le khatello e phahameng?
Li-valve tse ka lehlakoreng le letona li loketse haholoanyane litsamaiso tsa khatello e phahameng. Moralo oa tsona o tiileng o netefatsa taolo e nepahetseng ea phallo le ts'epo tlas'a maemo a thata. Ho buisana le moetsi ea tšepahalang joalo kaFeme ea Lisebelisoa tsa ho Loantša Mollo ea Lefatše ea Yuyaoe netefatsa khetho e nepahetseng bakeng sa lits'ebetso tse joalo.
Na mefuta ena ka bobeli ea li-valve e ka fihlela maemo a NFPA?
E, li-valve tse nang le sekhutlo se letona le tse otlolohileng li ka fihlela maemo a NFPA ha li tsoa ho bahlahisi ba nang le botumo bo botle. Yuyao World Fire Fighting Equipment Factory e netefatsa hore melao ea indasteri ea lateloa, e fana ka li-valve tse tšepahalang le tse netefalitsoeng tsa polokeho ea mollo.
Nka khetha valve e nepahetseng joang bakeng sa sistimi ea ka ea polokeho ea mollo?
Nahana ka lintlha tse kang moralo oa sistimi, litlhoko tsa khatello le tekanyetso. Li-valve tse sekhutlo se letona li sebetsa hantle litlhophisong tse nyane, ha li-valve tse oblique li ipabola lits'ebetsong tse hlokang phallo e sebetsang hantle le tahlehelo e fokolang ea khatello. Tataiso ea litsebi ho tsoa ho Yuyao World Fire Fighting Equipment Factory e netefatsa khetho e ntle bakeng sa litlhoko tsa hau.
Nako ea poso: Mots'eanong-07-2025