U tseba hakae ka litekanyetso tse tloaelehileng tsa li-valve? Li-valve tsa ho futhumatsa tse sebelisoang hangata

U tseba hakae ka litekanyetso tse tloaelehileng tsa li-valve? Li-valve tsa ho futhumatsa tse sebelisoang hangata

BS 6364 valve ea mocheso o tlase
SHELL SPE 77/200 -50¡æ ka tlase ho belofo
SHELL SPE 77/209 0 ~ -50¡æ valve
Li-valve tsa ho futhumatsa tse sebelisoang hangata
Ho na le mefuta e mengata ea li-valve le mefuta e mengata ea tšebeliso. Ka liphaephe ka linako tse ling ke thepa e ka sehloohong, bapala karolo ea taolo; Ka linako tse ling ke sesebelisoa sa bobeli mme se bapala karolo e thusang. Haeba e sebelisoa ka mokhoa o sa lokelang, ho tla ba le "ho matha, ho ipeha kotsing, ho rotha, ho lutla" ketsahalo, leseli le ama tlhahiso, likotsi tse ngata tse bakang likotsi. Kahoo kutloisiso le tšebeliso e nepahetseng ea li-valve ke taba ea bohlokoa haholo.
1 Sehlopha sa li-valve
Ho na le mefuta e mengata ea li-valve tse sebelisoang tsamaisong ea ho futhumatsa. Tse kang li-valve tsa heke, li-valve tsa globe, li-valve tsa bolo, li-valve tsa serurubele, li-valve tsa ho hlahloba, li-valve tsa tšireletso, li-valve tse laolang, li-bancing valves, li-valve tsa ho itekanya joalo-joalo. Ha re feteng ho tsona ka bonngoe.
1.1 li-valve tsa heke
E boetse e bitsoa valve ea heke, valve ea heke, ke mofuta oa valve o sebelisoang.

MOLAO-MOTHEO OA HO SEBETSA: Sefahleho se koalang sa GATE le setulo sa valve se koalang sefahleho se boreleli, se boreleli, se tsitsitse, se entsoe hore e be para e tiisang haholo. Ka khatello ea holimo le tlase ea kutu ea valve, heke e etsa conduction le ho koala ha mahareng. E sebetsa joalo ka mokhoa oa ho koala liphaephe.

Melemo: Ho hanyetsa metsi a tlaase; Sebaka sa ho tiisa ha se senyehe ha se butsoe ka botlalo; E ka sebelisoa tabeng ea mokhoa oa ho phalla oa litsela tse peli, ha ho na tataiso; E matla ebile e tšoarella; Ha e loketse feela ho etsa li-valve tse nyane, empa hape e ka etsa li-valve tse kholo.
Mefokolo: bophahamo bo phahameng; Nako e telele ea ho bula le ho koala; E boima; Ho thata ho lokisa; Haeba e le valve e kholo ea heke, ts'ebetso ea matsoho e boima le ho feta.
Sephahla sa heke ho ea ka mofuta o fapaneng oa molamu o hlakileng le mofuta oa molamu o lefifi; Ho ea ka sebopeho sa poleiti ea heke, mofuta o tšoanang le mofuta oa wedge o fapane; Ho na le heke e le 'ngoe, libaka tse peli tsa liheke. Boenjiniere ba ho futhumatsa, hangata e sebelisoa ho bula valve ea molamu oa mofuta o le mong oa heke (Z41H-16C) le valve e lefifi ea mofuta oa heke e le 'ngoe (Z45T-10), ea pele e kentsoe lehlakoreng la mantlha la seteishene sa mocheso, ea morao-rao. e kenngoa ka lehlakoreng la bobeli la seteishene sa mocheso. Ka kakaretso e bapala likarolo tse peli: e le sesebelisoa sa lisebelisoa tse kholo; E le lisebelisoa tse thusang tse kentsoeng pele le ka mor'a lisebelisoa tse ka sehloohong bakeng sa tlhokomelo.
Ha valve ea heke e kenngoa, u se ke ua etsa letsoho ka tlas'a mola o otlolohileng (inverted), ho seng joalo seaplane se tla bolokoa sekoahelong sa valve ka nako e telele, ho bonolo ho senya kutu. Boenjiniere ba ho futhumatsa, valve ea heke e kile ea e-ba matla a ka sehloohong a valve. Hona joale ha ho sebelisoa li-valve tsa serurubele, li-valve tsa heke li nketsoe sebaka ke li-valve tsa serurubele.
1.2 valve ea ho emisa
Hape ke mofuta oa valve o sebelisoang. Boemo bo akaretsang bo ka tlase ho 100mm. E SEBETSA JOALOKA KHATE VALVE NTLE HO SEBELE HORE SHUTOFF (DISC) E TSAMAEA MOKHOA OA BOHARE OA SETULO. E na le karolo ea ho koala lipeipi, e ka fetola phallo e batlang e le teng.
Melemo: Ho bonolo ho e etsa, ho bonolo ho e hlokomela, e matla ebile e tšoarella.
Go tlhoka mesola: Ke tsela e le 'ngoe feela ea phallo ea mecha ea litaba e lumelloang, e lebisang tseleng ha e kenngoa. Ho hanyetsa ho phalla ho hoholo, ho tiisa ho futsaneha.

Ho ea ka sebopeho sa lintlha tse fapaneng mofuta o otlolohileng, mofuta o nepahetseng oa Angle, phallo e otlolohileng, mofuta o leka-lekaneng. Flange e otlolohileng (J41H) le khoele e ka hare e otlolohileng (J11H) hangata e sebelisoa boenjiniere. Valofo ea globe e shebile, e ke ke ea hatelloa morao. Ha ea lokela ho khelosoa.
Tlhahisong ea rona, bophelo, nakong e fetileng e neng e sebelisoa ka mokhoa o otlolohileng, e nyane ea caliber globe valve, hona joale e nketsoe sebaka ke belofo ea bolo.
1.3 valve ea bolo
Ha ho bapisoa le valve ea heke le valve ea globe, valve ea bolo ke mofuta o mocha oa valve o amohetsoeng butle-butle. Molao-motheo oa eona oa ho sebetsa ke: spool ke bolo e nang le sekoti, 'me spool e potoloha 90¡ã ho pholletsa le stem ea valve ho etsa hore valve e se ke ea thijoa kapa e koetsoe. E sebetsa joalo ka ho koala liphaephe.
Melemo: Ho phaella melemo ea valve ea heke le valve ea lefats'e, ho na le molumo o monyenyane, ho tiisa hantle (ho lutla ha zero), ho bonolo ho sebelisa melemo. Hajoale, e sebelisoa ho petrochemical, matla a motlakase, matla a nyutlelie, sefofane, sefofane le likarolo tse ling.
Mathata: Ho thata ho hlokomela.
Li-valve tsa bolo li na le mefuta e 'meli: mofuta oa bolo e phaphametseng le mofuta oa bolo e tsitsitseng. Boenjiniere ba ho futhumatsa, maemo a mang a bohlokoa, joalo ka makala a bohlokoa, palo ea batho ba hokahaneng le seteishene sa mocheso, DN250 ka tlase, hangata e amohela li-valve tsa bolo tse tsoang kantle ho naha. E fapane le sebopeho sa belofo ea bolo ea lapeng: 'mele oa lehae oa bolo ea maoto hangata ke likotoana tse peli, likotoana tse tharo, khokahano ea flange; 'Mele oa valve oa valve ea ho kenya bolo o kopantsoe, khokahanyo e cheselitsoeng, ntlha ea phoso e fokotsehile. Tšimoloho ea eona ke Nordic joalo ka Finland, Denmark le theknoloji e 'ngoe ea ho futhumatsa ho feta linaha tse tsoetseng pele. Mohlala, NAVAL,VEXVE ho tsoa Finland, DAFOSS ho tsoa Denmark, joalo-joalo Ka lebaka la tiiso ea eona e ntle, ts'epahalo ea ts'ebetso, esale e ratoa ke basebelisi. Li-valve tsa bolo ha li tsamaise tsela 'me li ka kenngoa ka Angle efe kapa efe. Ho kenya tjheseletsa bolo e rapameng, belofo e tlameha ho buloa, ho qoba tjheseletsa ha tlhase ea motlakase e tsoa kotsi le bokaholimo ba bolo; Ha E KEntsoe PIPING E VERTICAL, VALVE E TLAMEHA HO Buloa HAEBA SEHOHONEKE E KA HOLIMO SE TŠEBELETSOE LE HO TLOA HAEBA SEHOHOHOHO SA TLASE SE TŠELETSOE HO QOBA CHESO EA MOCHESO O HAHOLO KA HAR'A VALVE.
1.4 valve ea serurubele
Mocheng oa ho futhumatsa, o sebelisoa hona joale, mefuta e mengata ea valve.
Molao-motheo oa ho sebetsa: The disc ke disc, ka ho potoloha ha stem, disc sebakeng sa setulo bakeng sa ho potoloha ha 90¡æ, ho lemoha phetoho ea valve. E sebetsa joalo ka ho koala liphaephe.
E ka boela ea fetola sekhahla sa phallo.
Melemo: Sebopeho se bonolo, molumo o bobebe, ts'ebetso e bonolo, ho tiisa hantle.
Mefokolo: ha e bulehile ka ho feletseng, poleiti ea valve (ring ea tiiso) e senyeha ke seaplane.
Boenjiniere ba ho futhumatsa, belofo ea serurubele e na le valve ea serurubele sa eccentric metal seal, rabara soft seal butterfly valve.
1.4.1 Triple eccentric metal seal butterfly valve
Seo ho thoeng ke "eccentricity e meraro" se bolela "valve shaft", "valve plate" sebakeng se lekanyelitsoeng sa valve ea offset. Tloaelehileng serurubele belofo ke eccentric, ke hore, belofo shaft setsi sa mola le sealing holim'a setsi line (valve plate center line) kheloha; Bakeng sa ts'ebetso e phahameng, eketsa eccentricity, ke hore, mohala o bohareng oa shaft ea valve o kheloha moeling o bohareng oa valve (mohala o bohareng oa pipe); Sepheo sa ho kopanya habeli ke ho tlosa para ea tiiso ho tloha ho e mong ka mor'a hore letlapa la valve le bulehe ho 20¡ã, kahoo ho fokotsa likhohlano (CAM effect). Tse tharo eccentric serurubele belofo ka holimo habeli eccentric motheong oa ho eketsa eccentric e ikhethang - oblique khoune, ke hore, offset ea poleiti belofo (ho tiisa holim'a le phala paatsepama sefofane se sekamisa e Angle). Sena se etsa hore valve e be sebakeng sa maeto a 90¡ã, karohano e feletseng pakeng tsa lihlopha tsa ho tiisa, eseng feela ho matlafatsa phello ea CAM, empa hape e felisa ka ho feletseng likhohlano; Koala valve ka nako e ts'oanang, ha li-seal pair li koala butle-butle, "phello ea wedge", e nang le torque e nyenyane ho finyella ho thata ka ho fetisisa.

Seo ho thoeng ke "setiiso sa tšepe" se bua ka setulo sa valve, lesale la ho tiisa ho sebelisa ho hanyetsa, ho hanyetsa kutu, ho hanyetsa mocheso o phahameng oa alloy ea boleng bo entsoeng; Ka nako e ts'oanang e le ho qoba lesale la ho tiisa le setulo ka thata, para ea ho tiisa e etselitsoe ho kopana le maemo, e leng ho thehoa ha "elastic metal seal", ho etsa bonnete ba hore haufi-ufi, ho buloa ho se na likhohlano. Ka sebopeho sa "eccentric" tse tharo, hammoho le "elastic metal seal", li-valve tse joalo li bonolo ho sebetsa, li tšoarella ebile li tiisitsoe hantle.
Three eccentric metal seal butterfly valve hangata e sebelisoa tsamaisong ea ho futhumatsa ea mohala o moholo le lekala le ka sehloohong. Caliber DN300 kapa ka holimo.
Li-valve tsa serurubele tse tsoang kantle ho naha tse tharo ha li na tataiso, empa ka kakaretso li khothaletsoa ho kenya tataiso, ha lia lokela ho khutlisoa; Taelo ea lapeng, e khelohang ka kakaretso ho feta phapang ea pele ea boemo ba ho lutla kapa maemo a le mong ho isa ho a mabeli a khatello, e ke ke ea khutlisoa. Haeba ho tjheseletsa phala e otlolohileng, valve e lokela ho koaloa ho sireletsa reng ea tiiso; Tabeng ea VERTICAL pipe welding, valve e lokela ho koaloa 'me metsi a kenngoe holim'a poleiti ea valve nakong ea welding ho tima slag ea welding. Ha E kentsoe phala ea HORIZONTAL, ho kgothaletswa hore sebaka sa kutu se sekame ka ho rapama kapa se otlolohileng ho netefatsa hore sebaka se ka tlase se hloekile.
1.4.2 Rubber soft seal butterfly valve
Hangata poleiti ea serurubele e pentiloe ka tšepe ea nodular cast, 'me reng ea tiiso ke rabara. Thepa ea ho tiisa e sebelisitsoeng e fapane, ts'ebetso e fapane. Tse sebelisoang ka tloaelo ke: rabara ea Dingqing, mocheso o sebetsang oa 12¡æ a +82¡æ; Ethylene propylene rabara, mocheso o sebetsang oa 45¡æ a +135¡æ; Rabara ea ethylene propylene e thibelang mocheso, e loketseng mocheso oa 20¡æ +150¡æ.
Boenjiniere ba ho futhumatsa bo atisang ho sebelisoa sandwich (D371X), flange (D341X). DN125 ka tlase e fumanehang ho sebetsana le drive (D71, D41X). Motlakase oa serurubele oa serurubele o monyenyane ebile o bobebe, o bula ka potlako le ho koala, o bonolo ho sebetsa, o bonolo ho o kenya, o bonolo ho o boloka, ho tiisa hantle le ho lokisa ts'ebetso, ts'ebetso ea theko e phahameng, kahoo e lokela ho amoheloa ka matla. Soft seal butterfly valve ha e na tataiso, e ka kenngoa ka mokhoa o ikemetseng.
Ha valve ea serurubele e le polokelong, poleiti ea valve e lokela ho buloa 4¡ã to 5¡ã. E le ho qoba khatello ea nako e telele le deformation ea reng ea ho tiisa, e amang tiiso.
1.5 valve ea ho hlahloba
E boetse e bitsoa valve ea ho hlahloba, monyako o le mong oa phallo. Sephahla se thusang hangata se sebelisoang.
Molao-motheo oa ho sebetsa: Ho itšetlehile ka matla a mokelikeli ka boeona le boima ba disc, valve e bula ka boeona ebe e koala. Joalo ka ha lebitso le fana ka maikutlo, mosebetsi oa eona ke ho emisa seaplane ho khutlela morao. E kenngoa ka kakaretso sebakeng sa pompo ho thibela tšenyo ea hamore ea metsi pompong.
Hangata e sebelisoa ho boenjiniere ba ho futhumatsa ke mofuta oa ho phahamisa o otlolohileng (H41H), mofuta oa "valve swing" o le mong (H44H), mofuta oa serurubele se habeli (H77H).
Valofo ea ho hlahloba e ea ka tsela 'me e ke ke ea kenngoa morao. Mefuta e fapaneng ea li-valve tsa ho hlahloba, ho ea ka sebopeho sa tsona, li na le setsi se tsitsitseng, ha sea lokela ho kenngoa ka phoso. Mofuta oa ho phahamisa o otlolohileng o ka kenngoa feela phapeng e otlolohileng, 'me o netefatse hore valve ea disc e boemong bo otlolohileng; Mofuta o le mong oa "disc swing" o ka kengoa feela phaepheng e otlolohileng, 'me o netefatse hore mochini oa disc o maemong a otlolohileng; Serurubele sa li-valve tse peli se ka kenngoa ntle ho mabaka.
1.6 molaoli
E boetse e bitsoa throttle valve. Ke valve e tloaelehileng bakeng sa tsamaiso ea bobeli ea ho futhumatsa.

Molao-motheo oa ho sebetsa: sebopeho, sebopeho le valve ea ho emisa li tšoana. Ke para ea ho tiisa feela e fapaneng, "valve disc" le setulo se tšoanang le sekoaelo sa botlolo sa thermos le molomo oa botlolo, ka ho sisinyeha ha "valve disc" ho fetola sebaka sa phallo ho laola phallo. 'Mula holim'a shaft ea valve e bontša sekhahla sa phallo se tsamaisanang.
Mosebetsi: Fetola kabo ea phallo e mahareng lipakeng tsa liphaephe ho fihlela tekano ea mocheso.
Boenjiniere ba ho futhumatsa bo ne bo otlolohile (T41H), empa bo na le mefokolo e itseng: ho hanyetsa phallo e phahameng, eseng ho kenngoa ka holimo. Kahoo ka tsoelo-pele ea theknoloji, valve ea balance (PH45F) ho e-na le valve e laolang.
1.7 valve ea ho leka-lekana
Mofuta o ntlafalitsoeng oa ho laola valve. Mocha oa phallo o amohela phallo e otlolohileng, setulo se fetoloa ho PTFE; E hlola bofokoli ba ho hanyetsa phallo e kholo mme e eketsa melemo e 'meli: ho tiisa ho feta ho utloahalang le ts'ebetso ea cutoff.
E sebelisoa marang-rang a bobeli a seteishene sa mocheso ho futhumatsang boenjiniere, 'me e na le litšobotsi tse ntle tsa taolo ea phallo, haholo-holo e loketseng tsamaiso e fapaneng ea phallo.
E lebile 'me e ka hlongoa ho ea holimo kapa ho theosa.
1.8 Belofo ea ho itekanya
E boetse e bitsoa valve control valve. Molao-motheo oa eona oa ho sebetsa ke: ka valve ho na le filimi ea selemo le rabara e entsoeng ka mochine, e kopantsoe le stem. Haeba SEKELO SA PHALALATSO E EKETSEHILENG, HO TLA BA LE MATLA A SA LEBELENG HO EONA, HO TLA ETSA DISC HO TSAMAYA KA TSELA E TLOHELEHANG HO PHOKOTSA SEBAKA SA PHALALATSO, HO PHOKOTSA SEKELO, LE HO BUSETSA SEKHELO SA HO FIHLELA. Mme ka tsela e fapaneng. Ka hona, lebelo la phallo ka mor'a hore valve e lule e sa fetohe ho finyella morero oa ho laola lebelo la phallo.
E kentsoe tsamaisong ea ho futhumatsa sebakeng sa lekala la batho ba futhumatsang mocheso. Ho felisoa ka mokhoa o ikhethileng oa ho se leka-lekane ha hydraulic, ho ntlafatsa ts'ebetso ea sistimi, ho fihlela ts'ebetso ea moruo. Self - balancing valve directional, u se ke ua kenya reverse.

Ho phaella moo, ho na le ho senyeha ha tikoloho le tšireletso ea valve, ho senya le ho sireletsa sepakapaka ho ea ho valve, mocheso le khatello le mathata a ho tiisa le ho lutla joalo-joalo. Ka bokhutšoanyane, le hoja valve e le nyenyane, tsebo e kholo, e emetse hore re tsoele pele ho ithuta le ho akaretsa.