Belofo ea lefatše e sebetsa joang? Malebela a li-valve: Ho u ruta ho tseba boleng ba li-valve tsa serurubele le mefuta e tloaelehileng ea li-valve tsa lefatše

Belofo ea lefatše e sebetsa joang? Malebela a li-valve: Ho u ruta ho tseba boleng ba li-valve tsa serurubele le mefuta e tloaelehileng ea li-valve tsa lefatše

Ka mohlala, nahana ka tanka e kholo e nang le sekwahelo. Metsi a kena ka tanka ebe a tsoa hloohong ea silinda. Hlooho ea cylinder e sebetsa e le karolo e koalang ea valve. Haeba letsoho le nyolohela hloohong ea cylinder, le lekana le molao-motheo oa ho sebetsa oa valve ea ho emisa. Haeba u tsamaisa hlooho ea cylinder ho pota-pota, e sebetsa ka tsela e tšoanang le ea valve ea ho emisa.
Ka mohlala, nahana ka tanka e kholo e nang le sekwahelo. Metsi a kena ka tanka ebe a tsoa hloohong ea silinda. Hlooho ea silinda e sebetsa e le karolo e koalang ea valve. Haeba letsoho le nyolohela hloohong ea cylinder, le lekana le molao-motheo oa ho sebetsa oa valve ea ho emisa. Haeba u tsamaisa hlooho ea cylinder ho pota-pota, e sebetsa ka tsela e tšoanang le ea valve ea ho emisa.
Lintlha tsa bohlokoa:
1. Tlhaloso ea moralo: GB/T 12235
2. Tlhaloso ea khokahano:
1) BW bakeng sa butt welding end: tobetsa GB/T 12224
2) Flange end RF: tobetsa JB79; GB/T 9113; HG20592
3, tlhahlobo ea li-valve le liteko :GB/T 13927; JB/T 9092
Sebelisa mohaho o latelang:
Bula mofuta oa foreimi ea tšehetso ea bar
Screw e kopantsoeng le valve e le 'ngoe ea phallo; Khatello ea khase e itšebetsang e le 'ngoe ea phallo e le 'ngoe
Setulo se le seng sa ho tiisa ka holimo
A:
Likarolo tse bulang le tse koalang tsa valve ea lefats'e ke cylindrical disc, 'me bokaholimo ba protruder ke polane kapa e chitja. The valve disc e tsamaea ka mokhoa o ts'oanang le axis ea mokelikeli ka tsela e otlolohileng. Mokhoa oa ho sisinyeha ha kutu ea valve, ho na le mofuta oa molamu o sutumetsang oa motlakase (phetoho ea li-valve stem, spindle ha e lokisoe), le ho lokisa mofuta oa molamu oa rotary (ho phahamisoa ha lehlaka le li-valve, bolt e hahiloeng holim'a poleiti ea oli). Valve ea lefats'e ke ea ho bula le ho koala feela, e etselitsoeng motho ka mokhoa o ikhethileng e ka fetoloa le valve ea throttle.
Ha valve ea lefats'e e buloa, bophahamo bo lekanyelitsoeng ba ho bula disc ke 25% ~ 30% ea bophara ba ka ntle, phallo eohle e fihlile ho e kholo haholo, e bontšang hore valve e bile ho feta boemo bo bulehileng ka ho feletseng. Ka hona, sebaka se feletseng se bulehileng sa valve ea lefats'e se lokela ho khethoa ke sekoti sa disc.
Malebela a valve: E u ruta ho tseba boleng ba valve ea serurubele le lisebelisoa tse tiisitsoeng tsa valve tsa mofuta oa globe le boemo ba eona ba ho lutla ha eona ke lintlha tse ka sehloohong tse khethollang boemo ba index ea valve. Valve ha e ntle kapa e mpe, valve ea kopo ea boemo bo ikhethang ea ho sebetsa e ka sebelisoa nako e telele e ka boela ea sebelisoa ka nako e khutšoanyane haholo. Kahoo u se ke ua ahlola ka makhabane. E itšetlehile ka motsoako oa maemo a sebetsang. Plunger globe valve: Ka tsela ena valve ea lefats'e ke phapang ea valve ea motheo ea lefats'e. Ka valve ena, li-valve tsa liheke tsa li-disc le khatello e phahameng li atisa ho etsoa ho ea ka lebaka la plunger. Diski e belisoa hore e be plunger mme e hokahane le kutu. Tiiso e finyelloa ka mehele e 'meli ea elastomer e kentsoeng ka har'a plunger.
Hlalosa boleng ba valve ea serurubele
Ho tiea ha valve ke ho leka valve. E ka fihlela tiiso e phethahetseng ka ho fetesisa e ipapisitse le lisebelisoa tsa valve, ts'ebetso ea tlhahiso, ts'ebetso ea tlhahiso le boemo ba ts'ebetso bo sebelisitsoeng.
Thepa ea ho tiisa ea valve le boemo ba eona ba ho lutla ha tiiso ke lintlha tse ka sehloohong tsa boleng ba index ho khetholla bophahamo ba valve. Valve ha e ntle kapa e mpe, valve ea kopo ea boemo bo ikhethang ea ts'ebetso e ka sebelisoa nako e telele e ka boela ea sebelisoa ka nako e khutšoanyane haholo. Kahoo u se ke ua ahlola ka makhabane. E itšetlehile ka motsoako oa maemo a sebetsang.
Karolo e bulang le e koalang ea serurubele ke poleiti ea serurubele e bōpehileng joaloka disk, e potolohang moleng oa eona o bohareng oa 'mele ho bula le ho koala kapa ho lokisa belofo e bitsoang belofo ea serurubele. Belofo ea serurubele hangata e ka tlase ho likhato tse 90 ho tloha ho buloa ho isa ho koalang. Belofo ea serurubele le molamu oa serurubele ha lia notleloa ka matla. E le ho beha poleiti ea serurubele, mochine o fokotsang polanete o lokela ho kenngoa holim'a stem ea valve. Khetho ea ho fokotsa lipolanete, ha e khone feela ho etsa hore serurubele se be le boemo ba ho koala, e le hore serurubele se qetelle se le boemong bo sa tloaelehang, empa hape se ka ntlafatsa litšobotsi tsa ts'ebetso ea valve.
Litšobotsi tsa li-valve tsa serurubele sa tlhahiso ea liindasteri li ka thibela mocheso, sehlopha sa khatello ea ho sebetsa se fumanehang le sona se phahame haholo, bophara ba "valve" bo boholo, valve ea solenoid e entsoe ka carbon steel, lesale la ho tiisa poleiti e entsoe ka tšepe sebakeng sa selikalikoe sa rabara. Li-valve tsa serurubele tse kholo le tse mahareng tse nang le mocheso o phahameng o tsoelang pele li etsoa ka lipoleiti tsa tšepe tse chesellang, tse sebelisoang haholo mocheng oa mocheso o phahameng o tsoelang pele oa mosi le liphaephe tsa mafura.
Mefuta e tloaelehileng ea li-valve tsa lefats'e
1, Angle globe valve ka har'a Angle globe valve, mokelikeli o hloka feela ho fetola mokhoa oa ho sheba hanngoe, e le hore khatello ea khase ka valve e nyane ho feta sebopeho sa motheo sa valve ea lefats'e.
2, valve ea mofuta oa DC e phallang ka ho toba le valve ea lefats'e e bōpehileng joaloka Y, heke ea poleiti ea mochine oa oli le tsela e kholo ea ho phalla ho slash, boemo ba phallo bo tlase ho feta valve ea motheo ea lefats'e, kahoo ho latela bamboo Ze valve. ho hanyetsa ho phalla ho boetse ho lumellana le tse nyenyane.
3, valve ea mofuta oa plunger: tsela ena ea valve ea lefats'e ke ho fetoha ha valve ea motheo ea lefats'e. Ka valve ena, li-valve tsa liheke tsa li-disc le khatello e phahameng li atisa ho etsoa ho latela lebaka la plunger. Diski e belisoa hore e be plunger mme e hokahane le kutu. Tiiso e finyelloa ka mehele e 'meli ea elastomer e kentsoeng ka har'a plunger. Litiiso tse peli tsa elastomeric li arotsoe ka clasp 'me li kopantsoe ho pota-pota plunger ka mojaro o kentsoeng ho valve e le' ngoe ea phallo ka linate tsa phallo e le 'ngoe. Li-elastoseal lia ntšoa 'me li ka etsoa ka lisebelisoa tse fapaneng. Belofo e sebelisoa haholo ho "bula" kapa "ho koala" valve, empa li-plungers tse entsoeng ka mokhoa o khethehileng kapa clasp e khethehileng le tsona li ka sebelisoa ho lokisa valve.