Ho khetha se nepahetsengvalve ea metsi a ho tima molloho bohlokoa bakeng sa ho netefatsa polokeho le ho latela melao libakeng tsa indasteri.valve ea hydrant ea mollo ea indasterie ama ka ho toba katleho ealisebelisoa tsa ho loantša mollole litsamaiso tsa tšireletso ea mollo. Khetho e nepahetseng ea li-valve e netefatsa ho latela maemo a indasteri, melao ea polokeho ea mollo ea lehae, le litlhoko tsa molao. Lintlha tsena li bapala karolo ea bohlokoa ho bolokeng botšepehi ba ts'ebetso le ho qoba likotlo. Ba etsang liqeto ba lokela ho nahana ka lintlha tse kang mofuta oa li-valve, thepa le litlhaloso tsa tekheniki ho netefatsa hore boemo bo holimo ba lisebelisoa tsa polokeho ea mollo, ho kenyeletsoa li-valve tsa hydrant ea mollo ea UL le li-valve tsa hydrant ea mollo ea BS, lia sebetsa.
Lintlha tsa Bohlokoa
- Ho khetha valve e nepahetseng ea hydrant ea molloho bohlokoa bakeng sa polokeho le ho latela melao libakeng tsa indasteri.
- Mefuta e fapaneng ea li-valve tsa metsi a mollo, joalo ka moqomo o omileng le moqomo o metsi, li sebeletsa merero e ikhethang ho latela maemo a leholimo le litlhoko tsa ts'ebetso.
- Khetho ea thepa e ama ho tšoarella ha eona; tšepe e entsoeng ka ductile le tšepe e sa hloekang ke likhetho tse ntle bakeng sa li-valve tsa hydrant ea mollo.
- Tlhokomelo e tloaelehileng, ho kenyeletsoa le litlhahlobo le liteko tsa phallo, ho netefatsa hore li-valve tsa metsi a mollo li sebetsa hantle nakong ea maemo a tšohanyetso.
- Ho buisana le litsebi tsa tšireletso ea mollo ho ka ntlafatsa polokeho le ho latela melao, ho netefatsa phepelo e tšepahalang ea metsi nakong ea liketsahalo tsa mollo.
Mefuta ea Li-valve tsa Mocheso oa Mollo
Ho khetha mofuta o nepahetseng oa valve ea hydrant ea mollo ho bohlokoa bakeng sa tšireletso e sebetsang ea mollo libakeng tsa indasteri. Mefuta e fapaneng ea li-valve e sebeletsa merero e ikhethang 'me e etselitsoe ho fihlela litlhoko tse itseng tsa ts'ebetso. Mona ke mefuta e meholo ea li-valve tsa hydrant ea mollo tse sebelisoang hangata lits'ebetsong tsa tšireletso ea mollo ea indasteri:
- Lipompo tsa Mollo tsa Meqomo e Omileng:
- Li-hydrant tsena li loketse maemo a leholimo a batang. Li thibela ho hoama ka ho boloka phepelo ea metsi e le ka tlase ho moeli oa serame. Ha e butsoe, ke karolo e ka holimo feela ea hydrant e tlatsang metsi, e leng se netefatsang ts'ebetso e tšepahalang esita le maemong a batang a leholimo.
- Metsi a ho Halaletsa Mollo a Metsi a Meqomo:
- E loketse maemo a leholimo a batang, li-hydrant tsa libarele tse metsi li na le li-valve tse kaholimo ho mobu tse lulang li tletse metsi. Moralo ona o lumella phihlello ea metsi hang-hang, e leng se etsang hore li sebetse hantle libakeng tseo ho hoama e seng bothata.
- Li-Hydrant tsa Khokahano ea Pomper:
- Li-hydrant tsena li kenyelletsa likhokahano tse ling tse etselitsoeng literaka tsa mollo ka ho khetheha. Li fa bo-ralitima-mollo phihlello e potlakileng ea phepelo e kholo ea metsi, e leng se ntlafatsang bokhoni ba ho tima mollo nakong ea maemo a tšohanyetso.
- Li-hydrant tse hloekileng:
- E etselitsoe libaka tse nang le sephethephethe se seholo, li-hydrant tse ntšang metsi li lula fatše. Li fokotsa tšitiso 'me li lumella phihlello e bonolo ntle le ho sitisa motsamao oa likoloi.
Ntle le li-hydrant, mefuta e fapaneng ea li-valve e phetha karolo ea bohlokoa lisebelisoa tsa polokeho ea mollo:
- Valve ea Heke: Mofuta ona o tloaelehileng oa valve o tšepahala ebile o bonolo ho o sebelisa. O fana ka ts'ebetso e bonolo ea ho bula/ho tima, e leng se etsang hore e lokele ho arola likarolo tsa phepelo ea metsi.
- Valve ea Serurubele: Valve ena e laola phallo ea metsi ho sebelisoa mokhoa oa disc. E sebetsa hantle bakeng sa ho laola phallo 'me hangata e sebelisoa lits'ebetsong tse kholo.
- Hlahloba Valve: Valve ena e thibela phallo e kgutlelang morao ditsamaisong tsa masepala, e netefatsa hore metsi a phalla ka lehlakoreng le le leng feela. E bohlokwa bakeng sa ho boloka botsitso ba sistimi.
- Valve ea polaka: Le hoja e se ntho e tloaelehileng haholo ho tima mollo, li-valve tsa polaka li sebelisoa haholo-holo lits'ebetsong tsa metsi a litšila. Li fana ka ts'ebetso e bonolo ea ho bula/ho tima empa hangata ha li ratoe bakeng sa tšireletso ea mollo.
Ho utloisisa liphapang pakeng tsa mefuta ena ea li-valve ho ka ama haholo katleho ea litsamaiso tsa tšireletso ea mollo. Mohlala, khetho pakeng tsa valve ea globe le valve ea heke e ka ama taolo ea phallo le ts'ebetso ea ho tima. Li-valve tsa globe li ipabola ho laoleng phallo, ha li-valve tsa heke li le molemo ka ho fetisisa bakeng sa merero ea ho itšehla thajana.
| Karolo | Valve ea Lefatše | Valve ea Heke |
|---|---|---|
| Mosebetsi oa mantlha | E ntle haholo bakeng sa taolo ea phallo le ho thibela phallo ea mali | E ntle ka ho fetisisa bakeng sa ho itšehla thajana — ts'ebetso ea ho bula/ho tima |
| Ho theoha ha Khatello/Bokgoni ba ho Phalla | Ho theoha ho hoholo ha kgatello ka lebaka la moralo wa kahare | Ho theoha ha khatello e tlase ha e butsoe ka botlalo |
| Tshebetso ea ho tima | E koetsoe ka thata ka ho tiisa hantle | Ho koaloa ho sebetsang hantle ha ho koetsoe ka botlalo |
| Tlhokomelo / Ts'ebetso | Hangata ho bonolo ho e lokisa sebakeng seo | Moralo o bonolo empa o ka hloka boiteko bo eketsehileng |
Ho khetha mofuta o nepahetsengea valve ea hydrant ea mollo ke ea bohlokoa bakeng sa ho netefatsa polokeho le ho latela melao libakeng tsa indasteri. Mofuta o mong le o mong oa valve o na le melemo le mathata a oona, 'me ho utloisisa tsena ho ka thusa baetsi ba liqeto ho khetha khetho e nepahetseng ka ho fetisisa bakeng sa litlhoko tsa bona tse ikhethileng.
Lintho Tse ka Nahanoang ka Lintho Tse ka Hare ho Lisebelisoa tsa Polokeho ea Mollo
Ho khetha thepa e nepahetseng bakeng sa li-valve tsa hydrant ea mollo ho bohlokoa bakeng sa ho netefatsa ho tšoarella le ho tšepahala lits'ebetsong tsa tšireletso ea mollo tsa indasteri. Thepa e sebelisoang e ama ka kotloloho ts'ebetso, bolelele ba nako le polokeho ea lisebelisoa tsa polokeho ea mollo. Tsena ke tse ling tsa lisebelisoa tsa bohlokoa tse sebelisoang hangata tlhahisong ea li-valve tsa hydrant ea mollo:
- Tšepe e Lahliloeng ea Ductile: Thepa ena e ntse e tuma haholo ka lebaka la matla a eona le ho hanyetsa ho thulana. E fana ka ho tšoarella ho hoholo libakeng tse nang le tšusumetso e matla.
- Koporo: Hangata e sebediswa bakeng sa di-fitting, koporo e theko e tlase mme e fana ka kganyetso e ntle ya mafome. Leha ho le jwalo, e ka angwa ke ho ntsha di-zinc dibakeng tse itseng.
- Tšepe ea Khabone: Tšepe ea khabone e tsebahalang ka matla a eona, hangata e sebelisoa lits'ebetsong tse hlokang kaho e matla.
- Ts'epe e sa beng le mabali: Thepa ena e ratoa haholo ka lebaka la ho hanyetsa mafome haholo, haholo-holo libakeng tse thata.
- Tšepe e Lahliloeng: Khetho ea setso, tšepe e entsoeng ka tšepe e fana ka botsitso empa e ka hloka masela a sireletsang ho ntlafatsa ho hanyetsa ha eona mafome.
Ha ho lekolwa thepa, ho hanyetsa mafome ho bapala karolo ea bohlokoa. Tafole e latelang e bapisa ho hanyetsa mafome ha koporo le tšepe e sa hloekang, e leng thepa e 'meli e sebelisoang haholo li-valve tsa hydrant ea mollo:
| Thepa | Khanyetso ea ts'enyeho |
|---|---|
| Koporo | E mahareng; e hlahisa patina mme e kotsing ea ho bola ha chloride/sulfide. |
| Ts'epe e sa beng le mabali | E Phahameng; Mofuta oa 316 o mamella ho fafatsa ka letsoai ka lihora tse fetang 1,000 ntle le mafome. |
Mabaka a tikoloho a kang mocheso le mongobo a susumetsa haholo tshebetso ya thepa ena. Mohlala, dibakeng tsa lewatle,boronse hangata e ratoaho feta koporo ka lebaka la ho hanyetsa ha yona tshenyo e bakwang ke letswai. Boronse, e entsweng haholo-holo ka koporo le thini, e fana ka kganyetso ya tlhaho ya ho bola, e leng se etsang hore e be ntle bakeng sa dibaka tse nang le mongobo o phahameng le letswai.
Ho phaella moo, ho latela maemo a polokeho ya mollo ho bohlokwa ha ho kgethwa thepa ya di-valve tsa metsi a mollo. Tafole e latelang e hlalosa maemo a bohlokwa le dibaka tsa ona tse tsepamisitsweng maikutlo:
| E tloaelehileng | Tsepamisa maikutlo | Bohlokoa |
|---|---|---|
| API | Litekanyetso tsa ts'ebetso le polokeho | E netefatsa botshepehi tlas'a maemo a khatello e phahameng le mocheso o phahameng |
| JIS | Ho nepahala le boleng | E loketse lits'ebetso tse hlokang ho nepahala ho tiileng ha litekanyo |
| BS | Ho tšoarella le polokeho | E totobatsa polokeho libakeng tsa indasteri le tsa masepala |
| UL | Khatello ea tikoloho | E netefatsa bokhoni ba ho mamella maemo a tikoloho |
| FM | Polokeho ea mollo | E netefatsa ts'ebetso lits'ebetsong tsa ho tima mollo |
| ISO | Boleng le botsitso | E netefatsa boleng ba sehlahisoa limmarakeng tse fapaneng |
Litlhaloso tsa Tekheniki
Ha o kgetha valve ya hydrant ya mollo bakeng sa ditsamaiso tsa tshireletso ya mollo wa diindasteri, o lokela ho utlwisisalitlhaloso tsa tekhenikike ea bohlokoa. Litlhaloso tsena li netefatsa hore valve e khethiloeng e fihlela litlhoko tsa ts'ebetso le maemo a polokeho. Litlhaloso tsa bohlokoa tseo u lokelang ho li nahana ke tsena:
| Mofuta oa Tlhaloso | Lintlha tse qaqileng |
|---|---|
| Litlhoko tsa Setifikeiti | Hangata li-valve tse amohetsoeng ke UL kapa FM lia hlokahala bakeng sa tšebeletso ea tšireletso ea mollo. |
| Khatello le Mocheso | Mekhoa e tloaelehileng e sebetsa ho 175 PSI, 'me e meng e hloka 250 PSI kapa ho feta. |
| Lisebelisoa tsa Valve | Dikgetho di kenyeletsa tshepe ya khabone le tshepe e sa ruseng ho latela tshebediso. |
| Qetella Mofuta oa Khokahano | Wafer, Lug, Grooved, kapa Flanged ho latela litlhoko tsa ho kenya. |
| Litlhoko tsa ho Fetola ho Tamper | Ho lumellana le li-switch tsa tlhokomelo hoa hlokahala. |
| Tlhokomelo le Phihlello | Nahana ka bonolo ba ts'ebetso le sebaka sa tlhokomelo. |
| Boholo ba Liphaephe le Litlhoko tsa Phallo | Liphaephe tse kholo li ka hloka meralo e itseng bakeng sa phallo e ntle ka ho fetisisa. |
Sekhahla sa phallo le lintlha tsa khatello lia fapana ho latela tse fapanengsehatsetsi sa mollomehlala ea li-valve. Mohlala, li-hydrant tsa libarele tse metsi hangata li na le tekanyo ea khatello ea 100 PSI kapa ho feta, e leng se lumellang sekhahla se phahameng sa phallo ka lebaka la moralo oa tsona. Ka lehlakoreng le leng, li-hydrant tsa libarele tse omisitsoeng li sebetsa ka khatello e tlase, e leng se ka fokotsang sekhahla sa phallo ho latela litlhoko tsa ts'ebetso.
| Mofuta oa Hydrant | Tekanyo ea Khatello (PSI) | Tšusumetso ea Sekhahla sa Phallo |
|---|---|---|
| Mokelikeli oa Metsi oa Barrel | 100+ | Sekhahla se phahameng sa phallo ka lebaka la moralo |
| Moqomo o omileng oa Barrel | Tlase ho feta metsi | Sekhahla sa phallo se tlase ka lebaka la litlhoko tsa ts'ebetso |
Mefuta ea khokahano le eona e susumetsa ho kenngoa le ho tsamaellana. Likhokahano tse nang le li-flanged li sebetsana le khatello e phahameng le phallo, e leng se etsang hore li lokele litsamaiso tse matla. Likhokahano tse nang le likhoele li lumella ho kenngoa kapele empa li lekanyelitsoe ho litsamaiso tse nang le khatello e tlase. Likhokahano tse nang le li-grooved li fana ka ho tenyetseha le ho kenngoa kapele empa li kanna tsa se ke tsa mamella khatello e phahameng ka katleho.
| Mofuta oa Khokahano | Melemo | Mathata |
|---|---|---|
| E betliloeng | E sebetsana le khatello e phahameng le phallo, tlhokomelo e bonolo | Tlhomamiso e rarahaneng haholoanyane |
| E hlophisitsoe ka khoele | Ho kenya ka potlako, tlhokomelo e bonolo | E lekanyelitsoe ho litsamaiso tse tlase tsa khatello |
| Grooved | Ho kenngoa ka potlako, ho tenyetseha, ho monya ho thothomela | E kanna ea se ke ea sebetsana le khatello e phahameng hammoho le e flanged |
Ho utloisisa litlhaloso tsena tsa tekheniki ho thusa ho netefatsa hore valve ea hydrant ea mollo e khethiloeng e fihlela litlhoko tse ikhethileng tsa tikoloho ea indasteri, e leng se ntlafatsang katleho ea lisebelisoa tsa polokeho ea mollo ka kakaretso.
Litlhoko tsa Tlhokomelo
Tlhokomelo e tloaelehileng ea li-valve tsa metsi a molloho bohlokoa bakeng sa ho netefatsa ts'epo ea ts'ebetso le polokeho lits'ebetsong tsa ts'ireletso ea mollo ea indasteri. Valve e hlokometsoeng hantle e ka ntlafatsa haholo katleho ea lisebelisoa tsa polokeho ea mollo nakong ea maemo a tšohanyetso. Mona ke mesebetsi ea bohlokoa ea tlhokomelo le makhetlo a eona a khothaletsoang:
| Mosebetsi oa Tlhokomelo | Maqhubu a NFPA | Maqhubu a Ntlafalitsoeng | Melemo ea Bohlokoa |
|---|---|---|---|
| Tlhahlobo ea Pono | Selemo le selemo | Semi-selemo | Ho lemoha mathata esale pele, ho fokotsa litokiso tsa maemo a tšohanyetso |
| Teko ea Phallo | Lilemo tse ling le tse ling tse 5 | Lilemo tse ling le tse ling tse 3 | Netefatso ea ts'ebetso, netefatso ea bokhoni |
| Teko ea Ts'ebetso | Selemo le selemo | Selemo le selemo | Netefatso ea mosebetsi oa mechini, ts'ebetso ea valve |
| Setlolo | Jwalo ka ha ho hlokahala | Selemo le selemo | Ts'ebetso e boreleli, ho tsofala ho fokotsehileng, bophelo bo bolelele |
Tlhokomelo e tloaelehileng e ama ts'epo ea ts'ebetso ea li-valve tsa hydrant ea mollo ka litsela tse 'maloa:
- Tlhahlobo: Litlhahlobo tsa pono tse etsoang khafetsa li thusa ho lemoha li-hydrant tse nang le phoso kapele.
- Teko ea Phallo le Boikoetliso: E netefatsa phepelo e lekaneng ea metsi 'me e khetholla mathata a kang phallo e fokotsehileng kapa khatello.
- Setlolo le Ts'ebetso: Ho tlotsa kamehla ho netefatsa hore likarolo tse tsamaeang li sebetsa hantle.
- Ho tšoaea le ho tšoaea: E thusa ho tseba le ho fihlella kapele nakong ea maemo a tšohanyetso.
Mathata a tloaelehileng a tlhokomelo a kenyeletsa:
| Phephetso ea Tlhokomelo | Tlhaloso |
|---|---|
| Ho hloekisa | E thibela ho bokellana ha lithōle le mafome, e netefatsa hore metsi a phalla hantle 'me e eketsa nako ea bophelo ba valve. |
| Setlolo | E fokotsa khohlano pakeng tsa likarolo tse tsamaeang, e thibela ho tsofala le ho taboha, 'me e ntlafatsa ho koaleha ho qoba ho lutla. |
| Teko | E netefatsa tshebetso mme e netefatsa kgatello e lekaneng ya metsi, e tiisa bokgoni le tshebetso ya valve. |
| Litokomane | E fana ka nalane e hlakileng ea boemo ba valve, e tšehetsang ho latela melaoana le ho fokotsa likotsi tsa kotlo. |
Mekhoa e metle ea ho hlahlobale li-valve tsa metsi a ho tima mollo tse sebetsang ka ho hloekisa li kenyelletsa:
- Ho kenya tshebetsong lenaneo la teko le tlhokomelo la selemo le selemo le selemo le ipapisitseng le mofuta wa hydrant le boemo ba lehodimo.
- Ho sebelisa pompo ea mollo ho netefatsa hore e sebetsa hantle.
- Ho tlotsa hydrant ho latela litaelo tsa moetsi ho thibela ho bola.
- Ho hlatswa hydrant ho tlosa thepa e ka thibang valve.
- Ho hlahloba metsi a emeng ho thibela ho hoama maemong a batang.
Valve ea pompo ea mollo e hlokometsoeng hantle e ka nka lilemo tse pakeng tsa 25 le 50, e leng se etsang hore tlhokomelo ea kamehla e be letsete le molemo bakeng sa mehaho ea indasteri.
Ho khetha valve e nepahetseng ea hydrant ea mollo ho kenyelletsa lintlha tse 'maloa tsa bohlokoa. Ba etsang liqeto ba tlameha ho nahana ka mefuta ea li-valve, thepa le litlhaloso tsa tekheniki ho netefatsa ts'ebetso e ntle ka ho fetisisa. Polokeho le ho latela melao li ntse li le bohlokoa libakeng tsa indasteri.
Ho buisana le litsebi tsa tšireletso ea mollo ho fana ka melemo e mengata:
- E netefatsa phepelo e tšepahalang ea metsi nakong ea liketsahalo tsa mollo
- E thusa ho boloka khatello ea sistimi le ho leka-lekana ha phallo
- E tšehetsa liteko, tlhokomelo le ho itšehla thajana ka potlako
- E ntlafatsa polokeho, ho latela melao le ho itokisetsa ts'ebetso
Qoba liphoso tse tloaelehileng, tse kang ho kenya ka tsela e sa lokelang le ho hlokomoloha litlhaloso tsa moetsi. Ho sebelisana le litsebi ho ka lebisa litharollong tse etselitsoeng uena tse ntlafatsang litsamaiso tsa polokeho ea mollo.
LBH
Mosebetsi o ka sehloohong oa valve ea hydrant ea mollo ke ofe?
Li-valve tsa metsi a ho tima mollolaola phallo ea metsi lits'ebetsong tsa tšireletso ea mollo. Li nolofalletsa bo-ralitima-mollo ho fumana metsi kapele nakong ea maemo a tšohanyetso, ho netefatsa boiteko bo sebetsang ba ho tima mollo.
Li-valve tsa hydrant tsa mollo li lokela ho hlahlojoa hangata hakae?
Mokhatlo oa Naha oa Tšireletso ea Mollo (NFPA) o khothaletsalitlhahlobo tsa selemo le selemoLeha ho le jwalo, diteko tsa halofo ya selemo di ka ntlafatsa botshepehi le ho hlwaya mathata a ka bang teng esale pele.
Ke thepa efe e molemohali bakeng sa li-valve tsa metsi a mollo?
Tšepe e entsoeng ka lesela le sa hloekang ke likhetho tse tsebahalang. Li fana ka ho tšoarella le ho hanyetsa mafome, e leng tsa bohlokoa bakeng sa ho boloka ts'ebetso maemong a thata.
Na ho na le mangolo a itseng a di-valve tsa hydrant tsa mollo?
E, batla mangolo a UL kapa a FM. Tsena di netefatsa hore di-valve di fihlella maemo a polokeho le tshebetso a hlokahalang bakeng sa ditsamaiso tsa tshireletso ya mollo.
Nka netefatsa joang hore li-valve tsa hydrant ea mollo li kenngoa hantle?
Kopanya litsebi tse tšoanelehang bakeng sa ho kenya. Ba tla latela litlhaloso tsa moetsi le melao ea lehae, ba netefatse ts'ebetso e ntle le ho latela melao ea polokeho.
Nako ea poso: Hlakubele-31-2026