Mokhoa oa ho phekola oa ho lutla ha li-valve Na valve e hloka ho kenya melao-motheo ea li-valve le Litlhophiso?

Mokhoa oa ho phekola oa ho lutla ha li-valve Na valve e hloka ho kenya melao-motheo ea li-valve le Litlhophiso?

Hlakola liboutu ka ho lekana le ka symmetrically. Haeba ho hlokahala, sebelisa wrench ea torque. Phalliso ea pele e lokela ho fihlela litlhoko mme e se be kholo haholo kapa e nyane. Ho lokela hore ho be le tumello e itseng ea ho jara pele lenonyeletsong la flange le khoele. Kopano ea gasket e lokela ho lumellana le setsi 'me matla a lokela ho tšoana. The gasket lap le gasket habeli ha lia lumelloa.
Lebaka:
1, ho tiisa holim'a ho sila ho sa lekane, ho ke ke ha etsa mohala o haufi.
2. Kamano pakeng tsa stem le karolo e koalang e emisitsoe, eseng e otlolohile kapa e apere.
3, ho kobeha ha valve kapa kopano ha e nepahale, e le hore karolo e koalang e khelohe kapa e se bohareng.
4. Khetho e fosahetseng ea boleng ba thepa ea ho tiisa holim'a metsi kapa ho se khethoe ha valve ho ea ka maemo a sebetsang.
Mekhoa ea ho thibela le ho felisa:
1. Khetha ka nepo thepa le mofuta oa bouncing gasket ho ea ka maemo a ho sebetsa.
2, phetoho e hlokolosi, ts'ebetso e boreleli.
3, e lokela ho ba evenly le symmetrically screw bolt, haeba ho hlokahala, e lokela ho sebelisa torque wrench, preload e lokela ho finyella litlhoko, eseng e kholo haholo kapa e nyenyane. Ho lokela ho ba le tumello e itseng ea ho jara pele lenonyeletsong la flange le khoele.
4, kopano ea gasket e lokela ho lumellana, matla a tšoana, lesela la gasket le tšebeliso ea gasket e habeli ha e lumelloe.
5, static sealing surface corrosion, ts'ebetso ea ts'enyehelo, boleng ba ts'ebetso ha bo phahame, bo lokela ho lokisoa, ho sila, ho hlahloba mebala, ho etsa hore sebaka sa ho tiisa se tsitsitseng se fihlelle litlhoko tse nepahetseng.
6. Ha u kenya gasket, tlhokomelo e lokela ho lefshoa ho hloekisa, ho tiisa holim'a metsi ho lokela ho ba le parafine e hlakileng, 'me gasket ha ea lokela ho oela fatše.
Na valve e hloka ho kenya melao-motheo ea li-valve tsa bypass le Litlhophiso? Ka linako tse ling re bona li-valve tse batlang li le khōlō liphaepheng tse ling, 'me kamehla ho na le li-valve tsa bypass tse kentsoeng. Hobaneng ho le joalo? Mosebetsi oa eona o ka sehloohong ke ofe? E hloka ho kenngoa tlas'a maemo afe? Bophara ba valve ea bypass ea thepa e lumellanang ke eng? Ha e le hantle, valve ea bypass e behiloe pompong, 'me karolo ea eona e ka aroloa ka lintlha tse peli ka kakaretso: e' ngoe ke ho bapala karolo ea tšireletso (khatello ea ho leka-lekana lipheletsong tse peli), e 'ngoe ke boemo ba tšohanyetso!
Ka linako tse ling re bona li-valve tse batlang li le khōlō liphaepheng tse ling, 'me kamehla ho na le li-valve tsa bypass tse kentsoeng. Hobaneng ho le joalo? Mosebetsi oa eona o ka sehloohong ke ofe? E hloka ho kenngoa tlas'a maemo afe? Bophara ba valve ea bypass ea thepa e lumellanang ke eng?
Ha e le hantle, valve ea bypass e behiloe pompong, 'me karolo ea eona e ka aroloa ka lintlha tse peli ka kakaretso: e' ngoe ke ho bapala karolo ea tšireletso (khatello ea ho leka-lekana lipheletsong tse peli), e 'ngoe ke boemo ba tšohanyetso!
Ntlha ea pele, phello ea tšireletso, e ka boela ea boleloa e le tekanyo e sireletsang ea valve e kholo, ho thibela valve pele le ka mor'a hore phapang ea khatello e kholo haholo, 'me e baka ho hanyetsa ho bulehileng, valve ha e ntle ho bula, haholo-holo ho tse ling. tekanyo e kgolo kapa phaephe ya kgatello e kgolo. Pele o bula phaephe ea khatello e phahameng ka ho fokotsa khatello ea valve ea bypass, e le ho qoba khatello e phahameng ka tšohanyetso, ho thehoa ha phala e ka tlas'a valve. Kapa phapang ea khatello pakeng tsa lipheletso tse peli tsa valve e kholo haholo, torque e bulang e kholo haholo, e le ho qoba tšenyo ea torque ho valve, ho fokotsa khatello pele ho bula valve.
Ea bobeli, karolo ea ts'ohanyetso, e le phaephe e emeng e lokelang ho sebelisoa, molemo o moholo ke hore ha ho hloleha ha li-valve tse kholo, kapa tlhokahalo ea ho lokisoa le ho lokisoa, o ka bula phallo ea li-valve tsa bypass, mme ha e ame tlhahiso e tloaelehileng.
Hore na valve e hloka ho kenngoa ka litlhoko tse khethehileng tsa valve le Litlhophiso* bakeng sa litšupiso)
2.5mpa kereiti, DN400 kapa ka holimo; 4.0mpa kereiti, DN250 kapa ka holimo; 6.4mpa kereiti, DN200 kapa ka holimo; 10MPa kereiti, DN150 kapa ka holimo;
DN100 ~ DN200 valve, phala ea ho pota-pota le valve ea ho pota-pota bakeng sa DN20; DN250 ~ DN600 valve, phala ea bypass le valve ea ho pota-pota bakeng sa DN25; Bakeng sa li-valve tse ka holimo ho DN600, pipe ea bypass le valve ea bypass ke DN40.