Valve ea ho Lula e Tšehali e fana ka ts'ebetso e tšepahalang bakeng sa litsamaiso tsa sejoale-joale tsa tšireletso ea mollo. Baenjiniere ba tšepa moralo oa eona o tiileng le ho lumellana ha eona habonolo nakong ea maemo a tšohanyetso.Flange Type Landing Valve, Valve ea ho Lula ea Litsela tse pelileValve ea ho Lula ea Aluminium ea Brasshape e fihlela maemo a thata a polokeho. Bahlahlobi ba mollo ba dumella di-valve tsena bakeng sa ho latela melao.

• Batima-mollo ba itšetlehile ka li-valve tsena bakeng sa karabelo e potlakileng le phallo e tšepahalang ea metsi.

Valve ea ho Lula e Tšehali e Tšehali: Tlhaloso le Likarolo

Valve ea ho Lula e Tšehali e nang le Threaded ke Eng?

• TheValve ea ho Lula e Tšehali e Tšehalike valve ea hydrant ea mofuta oa flange ea mofuta oa globe, mofuta oa oblique.
• E fihlela maemo a BS 5041 Karolo ea 1 bakeng sa lisebelisoa tsa tšireletso ea mollo.
• Khokahano ea phaephe ea ho tlisa thepa le sekoahelo se se nang letho li latela maemo a BS 336:2010.
• Valve ena e arotsoe ka khatello e tlase, e nang lekhatello ea nominee ea ho kena ho fihlela ho libara tse 15.
• Koporo e sebetsa e le thepa ea bohlokoa bakeng sa ho tšoarella.
• Boholo ba lesoba ke lisenthimithara tse 2.5 ka flange, 'me boholo ba lesoba ke lisenthimithara tse 2.5BS 336.
• E sebetsa ka khatello e sebetsang ea li-bar tse 16 'me e hlahlojoa setulo sa valve ka li-bar tse 16.5 le 'mele ka li-bar tse 22.5.
• Valve e fana ka sekhahla sa phallo ea metsi sa lilithara tse 8.5 ka motsotsoana ka khatello ea ho ntša metsi ea li-bar tse 4.
• E etselitsoe li-wet risers litsamaisong tsa hydrant ea mollo, e sebetsa ka metsi a chariloeng ka ho sa feleng a tsoang phepelong e nang le khatello.
• E loketse lits'ebetso tsa tšireletso ea mollo lebōpong le kantle ho leoatle.
• E netefalitsoe ho latela maemo a maholo a tšireletso ea mollo, ho kenyeletsoa BS 5041 Karolo ea 1 le BS 336:2010.

Mesebetsi ea Bohlokoa Litsamaisong tsa Tšireletso ea Mollo

Valve ea ho Lula e Tšehali e bapala karolo ea bohlokoa lits'ebetsong tsa tšireletso ea mollo. E laola phallo ea metsi ho ea liphaepheng tsa mollo nakong ea maemo a tšohanyetso. Bo-ralitima-mollo ba sebelisa valve ena ho hokela liphaephe kapele le ho fumana metsi a hatelletsoeng. Valve e netefatsa phepelo e tsitsitseng le e tšepahalang ea metsi, e thusang lihlopha ho arabela ka potlako le ho laola mollo. Moralo oa eona o tšehetsa ts'ebetso e bonolo, esita le tlas'a maemo a sithabetsang. Ho lumellana ha valve le li-hose fittings tse tloaelehileng ho etsa hore e be khetho e ratoang mehahong le litsing tse ngata.

Litšobotsi tsa Pono le tsa 'Mele

Li-valve tsa ho lulisa tse tšehali tse nang le khoele li na le likarolo tse ikhethang tse li khethollang ho mefuta e meng. Li-valve tsena li sebelisalikhokahano tsa pheletso tse tšehali tse nang le khoeletse kurufetsang diphaepheng tse tshweu tse tona. Mefuta e tloaelehileng ya dithapo tse kang NPT, BSPT, kapa BSPP e etsa sekwahelo se tiileng, hangata ka theipi ya ho kwala kapa motsoako. Moralo o moqotetsane ha o na di-flange kapa masoba a diboutu, e leng se etsang hore ho kenngwa ho be bonolo dibakeng tse thata. Tafole e ka tlase e totobatsa dipharologanyo tse kgolo:

Maemo a Li-valve tsa ho Lula tse Tšehali le ho Latela Melao

Maemo a Machaba (BS 5041, EN 671-2, UL, IS 5290)

Moralo oa bahlahisiLi-valve tsa ho Lula tse Tšepehileng tsa Basaliho fihlela maemo a tiileng a machaba. Maemo ana a netefatsa hore di-valve di sebetsa ka botshepehi maemong a tshohanyetso a mollo mme di hokahane hantle le ditsamaiso tsa tshireletso ya mollo. Maemo a tsebahalang haholo a kenyeletsa:

• BS 5041-1: E totobatsa litlhoko tsa tlhahiso, liteko, matšoao le ho paka li-valve tsa ho lulisa. Li-valve li tlameha ho ba le li-inlets tsa tona kapa tse tšehali tse nang le khoele kapa tsa flange tse nang le DN65 (2 1/2”).
• BS 336: E hlalosa litlhoko tsa likhokahano tsa liphaephe tsa ho ntša metsi le likhetla tse koalang ka liketane.
• BS 5154: E akaretsa litlhaloso tse ling bakeng sa kaho le ts'ebetso ea li-valve.
• ISO 9001:2015, BSI, le LPCB: Fana ka ditumello tsa matjhaba bakeng sa taolo ya boleng le botshepehi ba sehlahiswa.

Hangata di-valve di na le thepa e sa senyeheng kapa di-epoxy tse kobehileng tse kopantsweng le fusion. Dikarolo tsena di thusa ho boloka tshebetso ha nako e ntse e ya. Le hoja EN 671-2, UL, le IS 5290 di le bohlokwa indastering ya tshireletso ya mollo, ditokomane ha di bue ka ho toba ka maemo ana bakeng sa Di-valve tsa ho Lula tse Tshwerweng ke Moriri tsa Basadi. Ditumello tse ngata tsa matjhaba di shebane le BS 5041 le BS 336.

Hlokomela: Setifikeiti sa machaba se netefatsa hore di-valve di fihlela ditlhoko tsa polokeho, ho tshwarella le ho tsamaellana le tsona mebarakeng ya lefatshe.

Likhoutu tsa US le Litlhoko tsa NFPA 14

United States, melao ea mollo e beha litlhoko tse hlakileng tsa li-valve tsa ho lulisa. NFPA 14, Standard for the Installation of Standpipe and Hose Systems, e tataisa khetho le ho kenya li-valve lits'ebetsong tsa tšireletso ea mollo. Bahlahlobi ba hlahloba hore li-valve li fihlela litlhaloso tsa boholo, tekanyo ea khatello le thepa. Ba boetse ba tiisa hore li-valve li na le mefuta e nepahetseng ea khoele le mekhoa e tšepahalang ea taolo.

Makala a tlhahlobo a latela ts'ebetso e qaqileng:

1. Netefatsa ho latela maemo a kang BS 5041 le melao e meng e amehang ea polokeho ea mollo.
2. Boitšoarolitlhahlobo tsa kamehla likhoeli tse ling le tse ling tse tšeletsengho hlahloba ho dutla ha metsi, mafome, le ts'ebetso e nepahetseng.
3. Netefatsa mekhoa e nepahetseng ea ho kenya, ho kenyeletsoa ho hokahanya khoele le ho tiisa.
4. Lekola ho tšoarella ha thepa le ho hanyetsa ho bola.
5. Hlahloba litlaleho tsa tlhokomelo le liphetho tsa liteko tsa khatello.
6. Netefatsa mangolo a netefatso a kang KITEMARK le ho latela kgatello ya mosebetsi le ditlhoko tsa kgatello ya teko.

Melao ea mollo e boetse e totobatsa likotlo bakeng sa ho se latele melao. Haeba valve e sa fihlelle litlhoko tse hlokahalang, setsi se ka tobana le litlamorao tsa molao. Bahlahlobi ba tiisa melao ena ho sireletsa maphelo le thepa.

Mekhoa ea ho Latela Melao: Khatello, Lisebelisoa, Likhoele

Li-valve tsa ho Lula tse Tšehali tse nang le Khoele li tlameha ho fihlela litekanyetso tse 'maloa tsa ho latela melao ho feta litlhahlobo le ho sebetsa ka katleho. Litekanyetso tsena li kenyelletsa:

Bahlahlobi ba hlahloba tekanyetso ka 'ngoe nakong ea tlhahlobo ea polokeho ea mollo. Ba batla matšoao a ho bola, ba netefatsa ho lumellana ha khoele, 'me ba tiisa hore li-valve li sebetsa hantle. Ho kenngoa hantle le tlhokomelo e tloaelehileng ho thusa ho netefatsa hore li-valve li lula li tšepahala maemong a tšohanyetso.

Keletso: Meaho e lokela ho boloka litlaleho tse qaqileng tsa tlhokomelo le liphetho tsa liteko ho bontša ho latela melao ho tsoelang pele nakong ea tlhahlobo.

Melemo le Litšebeliso tsa Valve ea ho Lula e Tšehali e Tšoeu

Ho lumellana ha Khokahano le ho Feto-fetoha ha Eona

• Likhoele tse ka hare ka hare ho selika-likoe li lumella ho kopana ka thata le likhokahano tsa banna.
• Sekotjana sena se thibela ho sotha ha phaephe nakong ea khokahano, se ntlafatsa ts'ebeliso.
• Mefuta e tloaelehileng ea likhoele tse kang NH/NST, NPT, le NPSH e netefatsa ho tšoana hantle le likarolo tse ling tsa sistimi.
• Li-rocker lugs le li-notches tsa Higbee li thusa ho hokahanya likhoele kapele, e leng se etsang hore likhokahano li be kapele ebile li tšepahale.
• Li-gasket tse ka hare ho coupling li fana ka litiiso tse tiileng ho thibela ho dutla ha metsi.
• Masale a katoloso a hokela phaephe ka mokhoa o sireletsehileng, e leng se bolokang khokahano e le matla.

Litekanyetso tsa Khatello le Tshebetso

Valve ea ho Lula e Tšehali e tšehetsa khatello ea ho sebetsa ho fihlela ho 20 Bar (290 PSI). Tekanyetso ena e phahameng e netefatsa phallo e tšepahalang ea metsi nakong ea maemo a tšohanyetso. Valve e boloka ts'ebetso tlas'a maemo a thata, e thusa bo-ralitima-mollo ho laola mollo kapele. Phano e tsitsitseng ea khatello e tšehetsa ho tima mollo ka katleho mehahong e meholo le matlong a polokelo.

Ho Tšoarella ha Lintho le ho Hanela ho Sila

Kaho ea tšepe e sa ruseng le ea koporo e thusa valve ho nka nako e telele, esita le libakeng tse thata.

Melemo ea ho Kenya, Tlhokomelo le Ts'ebetso

Valve ea ho Lula e Tšehali e kenngoa habonolo ka lebaka la likhoele le boholo bo tloaelehileng. Lisebelisoa tse hanelang mafome le liphahlo tse sireletsang li fokotsa litlhoko tsa tlhokomelo. Valve e sebetsa ka mokhoa o tšepahalang tlas'a khatello e phahameng 'me e fihlela litekanyetso tse amoheloang. Batima-mollo ba fumana valve e le bonolo ho e sebelisa maemong a tšohanyetso, ka lebaka la moralo oa eona o monyane le ts'ebetso e bonolo.

Mehlala ea ho Kenya Melao e Tloaelehileng le Mehlala ea ho Latela Melao ea Lefatše la 'Nete

Libaka li kenya li-valve tsena litepising, likhaboteng tsa ho ntša metsi, lelitsamaiso tsa ho phahamisa metsi. Mehaho e melelele, matlo a polokelo le liforomo tsa lebopong la leoatle li li sebelisa bakeng sa tšireletso ea mollo. Bahlahlobi ba amohela li-valve tsena bakeng sa ho latela melao hobane li fihlela maemo a machaba 'me li fana ka ts'ebetso e tšepahalang.

Valve ea ho Lula e Tšehali e hlahella e le khetho e tšepahalang le e lumellanang le melao bakeng sa tšireletso ea mollo.

• Thepa e tšoarellang le moralo o hlokolosi li netefatsa ts'ebetso e tšepahalang nakong ea maemo a tšohanyetso.
• Lisetifikeiti tsa machaba le ho kenya habonolo ho tšehetsa polokeho mefuteng eohle ea meaho.
• Likhokahano tse potlakileng tsa liphaephe le libaka tse fumanehang habonolo li thusa bo-ralitima-mollo ho arabela ka potlako.

LBH

Ke eng e etsang hore valve ea ho lulisa e tšehali e lokele melao ea sejoale-joale ea mollo?

Bahlahlobi ba amohela di-valve tsena hobane di fihlela maemo a matjhaba. Moralo wa tsona o netefatsa phallo e tshepahalang ya metsi le kgokelo e bonolo ya hose nakong ya maemo a tshohanyetso.

Na li-valve tsa ho lulisa tse tšehali tse nang le khoele li ka lekana mefuta e fapaneng ea liphaephe tsa mollo?

E. Mefuta e tloaelehileng ea likhoele tse kang NPT, BSPT, le NH/NST e lumella li-valve tsena ho hokahana le liphaephe tse ngata tsa mollo tse sebelisoang lits'ebetsong tsa tšireletso ea mollo.

Libaka li lokela ho hlahloba li-valve tsa ho lulisa tse tšehali tse nang le khoele hangata hakae?

Libaka li lokela ho hlahloba li-valve tsena likhoeli tse ling le tse ling tse tšeletseng. Liteko tsa kamehla li thusa ho boloka ts'ebetso le ho netefatsa hore li latela melao.melao ea polokeho ea mollo.