Litsamaiso tsa metsi li hloka litharollo tse matla, tse sebetsang hantle le tse tšepahalang. ThePPR valve ea hekee hlahloba mabokose ana kaofela, e etsa hore e be khetho e hlahelletseng bakeng sa lipeipi tsa sejoale-joale. Ho tšoarella ha eona le ts'ebetso ea eona li tšehetsoa ke lipalo-palo tse khahlang:
- E mamella likhatello tse fetang 5 MPa, e netefatsa matla a tšusumetso.
- E sebetsa ka katleho mochesong o fihlang ho 100°C.
- E fana ka nako ea bophelo ea lilemo tse 50 kapa ho feta, e kopanang le maemo a lefats'e.
Likarolo tsena li tiisa tšebetso e thellang, lerata le fokotsehileng, le lebelo le nepahetseng la phallo—litšoaneleho tse phahamisang katleho le boiketlo ba tsamaiso ea metsi.
Lintlha tsa bohlokoa
- Li-valve tsa heke tsa PPR li matla 'me li ka sebetsa lilemo tse 50. Ba akhetho e tšepahalang bakeng sa sistimi ea metsi.
- Li-valve tsena li bolokehile ebile li hloekile, li boloka metsi a nooang a se na lik'hemik'hale tse kotsi.
- Li-valve tsa heke tsa PPR li boloka mocheso, li boloka matla le ho thusa tikoloho.
Likarolo tse Ikhethang tsa PPR Gate Valves
Melemo ea Boitsebiso ba PPR
Lintho tse sebelisoang ho li-valve tsa heke tsa PPR li li khetholla ho khetho ea setso. Polypropylene random copolymer (PP-R) e fana ka motsoako o ikhethang oa polokeho, ho tšoarella, le katleho. Ha e na chefo ebile e hloekile, e etsa hore e be e loketseng lits'ebetsong tsa metsi a nooang. Ho fapana le li-valve tsa tšepe, ha e bola kapa e ntša lintho tse kotsi ka metsing.
Lisebelisoa tsa PP-R li boetse li ipabola ho hanyetsa mocheso. E khona ho sebetsana le mocheso o ka holimo ho 95°C, ho etsa hore e be sebaka se loketseng liphaephe tsa metsi a chesang. Conductivity ea eona ea mocheso e tlase haholo ho feta tšepe, e thusang ho boloka mocheso le ho fokotsa tšebeliso ea matla. Tšobotsi ena e bohlokoa ka ho khetheha lits'ebetsong tsa ho futhumatsa moo matla a sebetsang a leng bohlokoa.
Mona ke ho sheba ka potlako melemo ea thepa ea PPR:
| Molemo | Tlhaloso |
|---|---|
| E seng chefo le bohloeki | E entsoe ka carbon le hydrogen, ho netefatsa hore ha ho na likarolo tse kotsi, tse loketseng tsamaiso ea metsi a nooang. |
| Ho boloka mocheso le ho boloka matla | Thermal conductivity e tlase haholo ho feta tšepe, e matlafatsang matla a matla. |
| Ho hanyetsa mocheso ho molemo | E khona ho mamella mocheso ho fihla ho 95 ℃, e loketseng lisebelisoa tsa metsi a chesang. |
| Bophelo bo bolelele ba tšebeletso | Nako e lebelletsoeng ea bophelo e feta lilemo tse 50 tlasa maemo a tloaelehileng, mohlomong lilemo tse fetang 100 mochesong o tloaelehileng. |
| Ho kengoa habonolo le khokahano e tšepahalang | Ts'ebetso e ntle ea welding e lumella ho kenngoa ha bonolo ka manonyeletso a matla. |
| Lisebelisoa li ka sebelisoa hape | Matlakala a ka sebetswa le ho sebediswa hape tlhahisong ntle le ho sekisetsa boleng. |
Likarolo tsena li etsaLi-valve tsa heke tsa PPRkhetho e bohlale bakeng sa mang kapa mang ea batlang ho ntlafatsa mekhoa ea bona ea metsi.
Melemo ea Moralo bakeng sa Litsamaiso tsa Metsi
Moralo oa li-valve tsa heke tsa PPR o etselitsoe litlhoko tsa sejoale-joale tsa lipeipi. Sebopeho sa bona se bobebe se etsa hore ho sebetsana le ho kenya ho be bonolo ha ho bapisoa le li-valve tsa tšepe tse ngata. Li-valve li etselitsoe ho fana ka phallo e boreleli ea metsi, ho fokotsa lerata le ho netefatsa khatello e tsitsitseng.
Tšobotsi e 'ngoe e hlahelletseng ke moralo oa bona oa ho lutla. Ts'ebetso ea welding ea thepa ea PPR e netefatsa likhokahano tse matla tse ke keng tsa hloleha ha nako e ntse e ea. Ho tšepahala hona ho bohlokoa bakeng sa lits'ebetso tsa bolulo le tsa khoebo moo lits'ebetso tsa metsi li hlokang ho sebetsa ntle le tšitiso.
Li-valve tsa heke tsa PPR le tsona li tla ka boholo bo fapaneng, li etsa hore li feto-fetohe bakeng sa mefuta e fapaneng ea liphaephe. Ebang ke sistimi e nyane ea lapeng kapa setaele se seholo sa indasteri, li-valve tsena li lekana hantle moahong.
Thermal Insulation le Matla a Matla
Ho kenya mocheso ke e 'ngoe ea likarolo tse khahlang haholo tsa li-valve tsa heke tsa PPR. Ka conductivity ea mocheso ea 0.21 W / mK feela, e fokotsa haholo tahlehelo ea mocheso ha e bapisoa le li-valve tsa tšepe tse tloaelehileng. Thepa ena e thusa ho boloka mocheso oa metsi lits'ebetsong tsa metsi a chesang, ho boloka matla le ho theola likoloto tsa lisebelisoa.
Matla a matla ha a felle feela ka ho boloka chelete—e boetse e mabapi le ho tšoarella. Ka ho fokotsa tahlehelo ea mocheso, li-valve tsa heke tsa PPR li kenya letsoho mekhoeng ea ho haha e tala. Li ikamahanya le tlhokahalo e ntseng e eketseha ea litharollo tsa eco-friendly ho tsa kaho le lipeipi tsa metsi.
Ho feta moo, matla a li-valve a ho mamella mocheso o phahameng o netefatsa hore li sebetsa hantle maemong a boima. Ebang ke mochini oa ho futhumatsa ntlo kapa lipeipi tsa khoebo tsa metsi a chesang, li-valve tsa heke tsa PPR li fana ka ts'ebetso e tšepahalang ha li ntse li lekola tšebeliso ea matla.
Melemo e Sebetsang ea PPR Gate Valves
Tšepahalang ea Phallo Control
Tsamaiso e tšepahalang ea metsi e itšetlehile ka taolo e boreleli le e tsitsitseng ea ho phalla. Sephahla sa heke sa PPR se sebetsa hantle sebakeng sena, ka lebaka la moralo oa eona o tsoetseng pele le thepa ea thepa. Mabota a eona a ka hare a boreleli a fokotsa ho hohlana, ho etsa hore metsi a phalle ka bolokolohi ntle le ho thibana. Tšobotsi ena ha e tiise khatello e tsitsitseng ea metsi empa e boetse e fokotsa tahlehelo ea matla nakong ea ts'ebetso.
Ts'ebetso ea hydraulic ea valve ke ntlha e 'ngoe ea bohlokoa. Moqapi oa eona o thibela ho bokellana ha li-deposit, ho boloka tsamaiso e sebetsa hantle ka nako. Ebang ke tsamaiso ea lipeipi tsa bolulo kapa mokhoa o moholo oa khoebo, valve ea heke ea PPR e fana ka taolo e tšepahalang ea phallo.
Mona ke karohano e potlakileng ea ts'ebetso ea eona ea taolo ea phallo:
| Metric ea Ts'ebetso | Tlhaloso |
|---|---|
| Ho hanyetsa Mocheso o Phahameng | mocheso o phahameng o tsitsitseng oa ho sebetsa ho fihlela ho 70 ° C; mocheso oa nakoana ho fihlela ho 95 ° C. |
| Matla a Phallo e Phahameng | Mabota a ka hare a boreleli a lebisa tahlehelong e tlase ea khatello le phallo e phahameng ea molumo. |
| Bophelo Bolelele | Bophelo ba tšebeletso bo lebeletsoeng ho feta lilemo tse 50 tlas'a maemo a tloaelehileng. |
| Lits'enyehelo tse Tlase tsa ho Kenya | E bobebe ebile e bonolo ho sebetsana le eona, e fokotsa litšenyehelo tsa kakaretso. |
| Optimum Hydraulic Performance | Letlalo la ka hare le boreleli le thibela ho bokellana, ho netefatsa phallo e sebetsang ea haeteroliki. |
| Khanyetso ea Lik'hemik'hale | E mamella ho bola ho tsoa mobung o mabifi le o letsoai le litšila tsa likhoerekhoere. |
Likarolo tsena li etsa hore valve ea heke ea PPR e be khetho e holimo ho mang kapa mang ea batlang taolo e tšepahalang le e sebetsang ea phallo ea metsi.
Ho hanyetsana le Khatello e Phahameng le Mocheso
Hangata tsamaiso ea metsi e tobana le maemo a feteletseng, a kang khatello e phahameng kapa mocheso o phahameng. Sephahla sa heke sa PPR se hahiloe ho sebetsana le mathata ana habonolo. Kaho ea eona e matla e e lumella ho boloka ts'ebetso esita le tlas'a maemo a boima.
Liteko tsa khatello le mocheso li tiisa khanyetso ea eona e tsotehang. Ka mohlala, ka 20 ° C, valve e ka mamella likhatello ho fihlela ho 30.0 MPa bakeng sa mekhoa e lekantsoeng ea PN10. Esita le mocheso o phahameng, o kang 75 ° C, o sebetsa ka botšepehi, o boloka tekanyo ea khatello ea 12.3 MPa bakeng sa mekhoa ea PN10.
Mona ke tlhahlobo e qaqileng ea ts'ebetso ea eona tlasa maemo a fapaneng:
| Mocheso | PN10 | PN12.5 | PN16 | PN20 |
|---|---|---|---|---|
| 20 ℃ | 30.0 | 23.8 | 18.9 | 15.0 |
| 40 ℃ | 21.2 | 17.1 | 12.4 | 9.2 |
| 50 ℃ | 18.3 | 14.5 | 10.5 | 8.2 |
| 60 ℃ | 15.4 | 12.2 | / | / |
| 75℃ | 12.3 | 9.9 | / | / |
Boemo bona ba nako e telele bo tiisa hore valve ea heke ea PPR e ka sebetsana le tšebeliso ea letsatsi le letsatsi le maemo a feteletseng, e leng se etsang hore e be khetho e ka tšeptjoang bakeng sa mekhoa ea metsi.
Leak-Bopaki le Thepa ea Bohloeki
Ho dutla ho ka sitisa ditsamaiso tsa metsi mme ha baka ditokiso tse bitsang tjhelete e ngata. Sephahla sa heke sa PPR se felisa ho tšoenyeha hona ka eonamoetso wa ho dutla. Ts'ebetso ea eona ea li-welding e netefatsa likhokahano tse matla, tse se nang moeli tse lulang li bolokehile ha nako e ntse e ea. Ho tšepahala hona ho bohlokoa haholo lits'ebetsong moo ho phalla ha metsi ho sa sitisoeng ho leng bohlokoa.
Ntle le ho thibela ho lutla, valve e boetse e hloekile haholo. E entsoe ka thepa e se nang chefo, e bolokehile hore e ka sebelisoa lits'ebetsong tsa metsi a nooang. Thepa ea polypropylene random copolymer (PP-R) ha e je kapa e ntša lintho tse kotsi ka metsing. Sena se etsa hore e be khetho e ntle bakeng sa lits'ebetso moo boleng ba metsi bo leng bohlokoa haholo.
Motsoako oa ts'epahalo ea bopaki ba ho lutla le thepa ea bohloeki e etsa hore valve ea heke ea PPR e be khetho e hlahelletseng bakeng sa lits'ebetso tsa metsi tsa bolulo le tsa khoebo. E fana ka khotso ea kelello ha e ntse e netefatsa polokeho le katleho ea marang-rang a lipeipi.
Boleng ba Nako e Telele ea PPR Gate Valves
Tšireletseho e Ikhethang le Nako ea Bophelo
Li-valve tsa heke tsa PPR li hahiloe hore li tšoarelle. Ho tšoarella ha tsona ho netefalitsoe ke liteko tse matla le litekanyetso tsa machaba. Ka mohlala, ISO/TR9080-1992 le DIN16892/3 li tiisa hore li-valve tsena li ka sebetsa ka botšepehi ho fihlela lilemo tse 50 tlas'a maemo a sa khaotseng a ho sebetsa. Ka botenya bo nepahetseng le litekanyetso tsa khatello, li ka ba tsa feta nako ena ea bophelo mocheso oa kamore.
Bophelo bona bo bolelele bo ba etsa matsete a bohlale bakeng sa litsamaiso tsa metsi. Ho fapana le li-valve tsa setso tse ka hlokang ho nkeloa sebaka khafetsa, li-valve tsa heke tsa PPR li fana ka khotso ea kelello ka bophelo ba bona bo atolositsoeng ba ts'ebeletso. Ebang li sebelisoa libakeng tsa bolulo kapa tsa khoebo, li netefatsa ts'ebetso e tsitsitseng ka lilemo tse mashome.
Tlhokomelo e Tlase le Litšenyehelo tsa Ts'ebetso
Li-valve tsa heke tsa PPR li etselitsoe ho fokotsa litlhoko tsa tlhokomelo. Libaka tsa tsona tse ka hare tse boreleli li ntlafatsa phallo ea metsi, li fokotsa tšebeliso ea matla nakong ea ts'ebetso. Ts'ebetso ena e thusa ho fokotsa litšenyehelo ka nako. Ho phaella moo, thepa ea tsona e sa jeng e etsa hore ho se ke ha e-ba le tlhokahalo ea ho lokisoa ka theko e boima e bakoang ke mafome kapa ho tsofala.
Ho kenya ho potlakile ebile ho hlakile, ho boloka nako le litšenyehelo tsa mosebetsi. Li-valve li tla le waranti ea lilemo tse 10, e totobatsang ho tšepahala ha tsona. Ka ho fokotsa litšenyehelo tsa tlhokomelo le ts'ebetso, li-valve tsa heke tsa PPR li fana katharollo e theko e boimabakeng sa tsamaiso ea metsi.
Lisebelisoa tsa Eco-Friendly le tsa Moshoelella
Sustainability ke karolo ea bohlokoa ea li-valve tsa heke tsa PPR. E entsoe ka polypropylene random copolymer e ka sebelisoang hape, e ikamahanya le mekhoa ea ho haha eco-friendly. Litšila leha e le life tse hlahisoang nakong ea tlhahiso li ka sebelisoa hape, ho fokotsa tšusumetso ea tikoloho.
Li-valve tsena li boetse li thusa ho sebetsa hantle ha matla. Ts'ebetso ea bona e tlase ea mocheso e thusa ho boloka mocheso lits'ebetsong tsa metsi a chesang, ho fokotsa tšebeliso ea matla. Ho khetha li-valve tsa heke tsa PPR ho bolela ho khetha bokamoso bo botala, bo tsitsitseng haholoanyane.
Li-valve tsa heke tsa PPR li fana ka motsoako o hapileng oa thepa e tsoetseng pele, moralo o bohlale, le ts'ebetso e tšoarellang nako e telele. Li hahiloe ho sebetsana le litlhoko tsa tsamaiso ea metsi ea bolulo le ea khoebo. Ebang ke ho tšoarella nako e telele, ho boloka litšenyehelo, kapa ho sebetsa hantle, li-valve tsena li hlahloba lebokose le leng le le leng. Bakeng sa mang kapa mang ea ntlafatsang tsamaiso ea bona ea metsi, valve ea heke ea PPR ke khetho e ka tšeptjoang.
LBH
Ke eng e etsang hore li-valve tsa heke tsa PPR li be betere ho feta li-valve tsa tšepe?
Li-valve tsa heke tsa PPR li hanela kutu, li fana ka mohatsela o betere, 'me li tšoarella nako e telele. Moralo oa bona o bobebe o boetse o nolofatsa ho kenya ha ho bapisoa le li-valve tsa tšepe tse boima.
Na li-valve tsa heke tsa PPR li ka sebetsana le lits'ebetso tsa metsi a chesang?
Ee! Li mamella mocheso ho fihla ho 95°C, e leng se etsang hore e be tse loketseng liphaephe tsa metsi a chesang le lisebelisoa tsa ho futhumatsa.
Na li-valve tsa heke tsa PPR li sebetsa hantle?
Ruri! E entsoe ka thepa e ka sebelisoang hape, e fokotsa litšila le ho tšehetsa mekhoa ea moaho e tsitsitseng. Moralo oa bona o baballang matla o boetse o thusa ho baballa lisebelisoa.
Nako ea poso: Jun-04-2025
