pneumatic actuated flange butterfly valve

Didier Vassal, Motlatsi oa Mopresidente oa Victaulic OEM le Litšebeletso tsa Marine, o ile a bapisa mekhoa ea ho hokahanya liphaephe tse nang le flanged le grooved mme a hlalosa melemo eo liphaephe tsa grooved li fanang ka tsona holim'a li-flanges. Mekhoa e metle ea liphaephe e bohlokoa bakeng sa mefuta e mengata ea litšebeletso tse hlokahalang likepeng, ho kenyelletsa le lisebelisoa tse thusang tse kang li-bilge le ballast systems, metsi a pholileng a leoatle le a hloekileng, oli e tlotsang, tšireletso ea mollo le ho hloekisa marulelo. Bakeng sa lits'ebetso tsena tse lumelletsoeng ke sehlopha sa liphaephe, mokhoa o mong o sebetsang oa ho sebelisa likhokahano tsa mochini tse cheselitsoeng ke ho sebelisa manonyeletso a mochini a slotted, a fanang ka letoto la melemo ea tekheniki, moruo le ts'ebetso. Tsena li kenyelletsa ts'ebetso e ntlafalitsoeng; ka potlako le bonolo ho kenya le tlhokomelo, le ho fokotsa boima ba moea. Litaba tsa ts'ebetso Linonyellong tsa liphaephe tse nang le flanged, li-flange tse peli tsa ho nyalana li kopantsoe hammoho 'me gasket e hatelloa ho etsa tiiso. Ha liboutu le linate tsa lenonyeletso la flange li monya le ho lefella matla a sistimi, ha nako e ntse e ea, ka lebaka la ho feto-fetoha ha khatello, khatello ea ts'ebetso ea sistimi, ho sisinyeha, le ho atoloha ha mocheso le ho honyela, liboutu le linate li ka otlolla mme tsa lahleheloa ke ho tiea ha tsona pele. Ha liboutu tsena li phomola torque, gasket e tla lahleheloa ke tiiso ea eona ea compression, e tla baka likhato tse fapaneng tsa ho lutla. Ho itšetlehile ka sebaka le mosebetsi oa tsamaiso ea liphaephe, ho lutla ho ka baka litšenyehelo tse phahameng le likotsi, tse lebisang tlhokomelong / ho lokisa nako le kotsi. Ka mor'a ho tlosa lenonyeletso, gasket e tla hloka ho nkeloa sebaka hobane gasket e tla khomarela holim'a flange ka nako e itseng. Ha o qhaqha lenonyeletso, li-gaskets li hloka ho hlajoa holim'a libaka tse peli tsa flange, 'me libaka tsena li lokela ho hloekisoa pele ho nkeloa sebaka sa li-gaskets, e leng ho eketsang nako ea tlhokomelo. Ka lebaka la matla a bolt le ho atolosoa le ho fokotseha ha tsamaiso, flange gasket e tla boela e hlahise "deformation" ea compression ha nako e ntse e feta, e leng sesosa se seng sa ho lutla. Moralo oa motsoako oa peipi ea mochini o grooved o hlola mathata ana a ts'ebetso. Ntlha ea pele, groove e thehoa qetellong ea phala, 'me khokahanyo ea pipe e tsitsitsoe ka ho kopanya ho amohelang gasket ea elastic, e arabelang khatello ea elastomer. Ntlo ea ho kopanya e pota-potile ka ho feletseng gasket, e matlafatsa tiiso le ho e lokisa sebakeng sa eona, hobane ho kopanya ho kopanela le ho theha sepakapaka se ka tšeptjoang ka har'a pipe groove. Theknoloji ea morao-rao ea khokahanyo e nolofalletsa liphaephe tse fihlang ho 24 inches (600 mm) bophara hore li kopane ka ho feletseng ka linate tse peli feela le liboutu ho boloka manonyeletso a ho itšireletsa. Ka lebaka la kamano ea moralo pakeng tsa tube, gasket, le matlo, motsoako oa mochine o etsa tiiso e meraro, e matlafatsoang ha tsamaiso e hatelloa. Li-Couplings tse Rigid le tse Fetohang Li-coupling tsa liphaephe tsa mochini tse Slotted li fumaneha ka mefuta e thata le e tenyetsehang, tseo ka bobeli li amohetsoeng ke sechaba sa lihlopha, 'me li ka sebelisoa sebakeng sa mokhoa oa ho cheselletsa / flange ho litsamaiso tse 30, empa li tlameha ho lumellana le litekanyetso tse ling le tse ling tsa Tlhophiso. e thehilweng ke mokgatlo wa setifikeiti. Li-couplings tse thata li sebelisoa, mohlala, ho potoloha libaka tse kang manifolds le li-valve, 'me ho bonolo ho li fumana le ho li fetola ho feta li-flanges. Ho ea ka sebopeho sa sebopeho sa eona, likhokahano tse thata li boetse li fana ka boima ba axial le radial bo bapisoang le li-flanges kapa manonyeletso a cheselitsoeng. Flexible couplings na le melemo ho likopo. Ntle le ho sisinyeha ha liphaephe ka lebaka la ho atolosoa ha mocheso kapa ho sisinyeha, ho lebeletsoe hore ho tsamaee ho lekanyelitsoeng pakeng tsa phala le mohaho o tšehetsang. Ho atolosoa le ho fokotseha ho beha khatello holim'a li-flange le liphaephe, tse ka senyang gasket ka nako. Ha sena se etsahala, manonyeletso a kotsing ea ho lutla. The grooved flexible coupling e ka amohela phallo ea liphaephe ka mokhoa oa ho sisinyeha ha axial kapa ho kheloha ha angular. Ka hona, li loketse ho kenya liphaephe tse telele, haholo-holo pakeng tsa li-blocks tse kholo moo sepakapaka sa leoatle se ka etsang hore li-flange li theolehe ha nako e ntse e ea, e leng se lebisang ho lutla le kotsi ea ho arohana ha lipeipi. Li-couplings tse thata le li-flexible couplings li boetse li na le monyetla oa ho fokotsa lerata le ho thothomela, kahoo li felisa tlhokahalo ea likarolo tse khethehileng tsa ho fokotsa lerata le melumo ea rabara e senyehang kapa lintho tse tšoanang. Ts'ebeliso ea liphaephe tse kentsoeng ka mochini li ka potlakisa le ho nolofatsa ho kenya le ho hlokomela, le ho eketsa ts'ebetso ea sistimi ea liphaephe tse holim'a board. Ho bonolo ho kenya Ha u kenya ka lekhetlo la pele, likoti tsa bolt tsa flange li tlameha ho lumellana ka nepo, ebe li tiisa ho lokisa motsoako. Li-index tsa lesoba la bolt holim'a lisebelisoa le lisebelisoa li tlameha ho lumellana ka ho phethahetseng le li-flange tse holim'a liphaephe tse tla kopanngoa le thepa. Tabeng ea e 'ngoe ea libaka tse ngata tse tsitsitseng tse khethiloeng feela ke palo ea likoti holim'a flange, ke feela se loketseng kapa valve e ka fetoloang ho bapisa likoti tsa bolt. Ho phaella moo, karolo e 'ngoe ea phala ea flange e boetse e tlameha ho tsamaisana le flange ea eona ea ho kopanya, e leng ho eketsang bothata ba kopano le kotsi ea ho se lumellane. Sistimi ea liphaephe tsa grooved ha e na bothata bona, 'me e ka kenngoa ka mokhoa o bonolo haholoanyane,' me liphaephe le likarolo tsa ho nyalana li ka potoloha ka likhato tse 360 ​​tse felletseng. Ha ho hlokahale ho hlophisa mohlala oa lesoba la bolt, 'me ho kopanya ho ka lebisoa sebakeng leha e le sefe se pota-potileng motsoako. Ho kopanya ho ka potoloha phala ho fihlella liboutu habonolo le ho nolofatsa mokhoa oa ho fumana lisebelisoa. Ntle le ho felisa ho se lumellane nakong ea ts'ebetso ea ho kenya, ts'ebetso ea 360-degree orientation ea coupling le profil e nyane ha e bapisoa le flange e etsa hore ho hlongoa tsamaiso ea groove e be khetho e nepahetseng bakeng sa libaka tse moqotetsane. Ho phaella moo, mochine o kenyang o ka hokahanya liboutu tsohle tsa kopano sebakeng se seng le se seng ho ea sebakeng se le seng ho nolofatsa tlhahlobo le tlhokomelo ea tsamaiso. Flange e ka ba habeli bophara ba kantle ba phala eo e hokahaneng ho eona. Ka karolelano, li-couplings tse grooved ke halofo feela ea boholo bona. Molemo oa boholo ba moralo o monyane o etsa hore e be khetho e nepahetseng bakeng sa litsamaiso tsa likhoele, tse loketseng mosebetsi o nang le sebaka se lekanyelitsoeng, joalo ka ho kenella ha li-decks le marako. Taba ena e ka saloa morao ho tloha lilemong tsa bo-1930, ha li-coupling tsa Victaulic li ne li sebelisoa ka lekhetlo la pele mabaleng a likepe a Borithane. Lebelo la kopano Hobane ho kopanya ho na le liboutu tse fokolang 'me tlhokahalo ea torque ha e fete lisenthimithara tse 12 (300 mm), ho kenngoa ha liphaephe tsa grooved ho potlakile ho feta ho kenya flange. Ho fapana le li-flange tse lokelang ho chesetsoa lipheletsong tsa liphaephe, likaroloana tsa valve tse grooved ha li hloke ho cheselletsa, e leng ho fokotsang nako ea ho kenya, ho felisa tšenyo e ka bang teng ea mocheso ho belofo, le ho fokotsa likotsi tsa polokeho ka ho felisa ts'ebetso e phahameng ea mocheso. Papiso ea DIN 150 mela ea ballast e kentsoeng ho sebelisoa lihlahisoa tsa Victaulic grooved tse nang le mekhoa e tloaelehileng ea ho hokahanya e bontša hore nako eohle ea ho kenya e hlokahalang e fokotsehile ka 66% (lihora tse 150.47 le lihora tsa motho tse 443.16). Ha ho bapisoa le ho kenya li-couplings tse 60 tse thata, nako e hlokahalang ho kenya li-slide-in flange tse 52, li-elbows le li-tee li na le phapang e kholo ka ho fetisisa. Ho kopanya ho hloka liboutu tse peli feela ho fihlela boholo ba phala ea lisenthimithara tse 24 (600 mm). Ha ho bapisoa, ka boholo bo boholo, flange e hloka bonyane lihlopha tse 20 tsa linate le liboutu. Ho phaella moo, flange e hloka hore ho sebelisoe wrench ea linaleli e jang nako ho tiisoa ka sekontiri se khethehileng ho lekanya le ho netefatsa hore tlhaloso e nepahetseng ea torque e fihlile. Theknoloji ea li-grooved tube e lumella tšebeliso ea lisebelisoa tse tloaelehileng tsa matsoho ho kopanya ho kopanya, 'me hang ha lesela la mating bolt la ntlo ea ho kopanya le ama tšepe ho tšepe, lenonyeletso le ka kenngoa hantle. Tlhahlobo e bonolo ea pono e ka netefatsa kopano e nepahetseng. Ka lehlakoreng le leng, li-flange ha li fane ka tiiso ea pono: tsela e le 'ngoe feela ea ho etsa bonnete ba hore kopano e nepahetseng ke ho tlatsa le ho hatella tsamaiso, ho hlahloba ho lutla le ho tiisa manonyeletso ha ho hlokahala. Ho boloka tsamaiso ea liphaephe tsa grooved e na le litšobotsi tse ts'oanang tsa ho potlakisa li-bolts - liboutu tse fokolang 'me ha ho na litlhoko tsa torque - hape e etsa tlhokomelo ea tsamaiso kapa ho fetola mosebetsi o potlakileng le o bonolo. Ho fihlella pompo kapa valve, ka mohlala, lokolla li-bolt tse peli tsa ho kopanya 'me u tlose ntlo le gasket ho tloha motsoako. Ka tsamaiso ea flange, liboutu tse ngata li hloka ho tlosoa. Ha o kenya hape flange, mokhoa o ts'oanang oa ho tiisa bolt o nkang nako o tlameha ho etsoa nakong ea ts'ebetso ea pele. Hobane ha ho hlokahale ho tiisa hape, ho kopanya ho boloka mosebetsi o mongata oa ho lokisa o tloaelehileng o amanang le li-flanges. Ho fapana le li-flanges moo likhatello tse fapaneng li sebelisoang ho li-washers, linate le li-bolts, li-couplings li tšoara li-washer tse tsoang ka ntle ho motsoako oa liphaephe ka matla a ho hatella a nepahetseng. Ho phaella moo, kaha gasket ea ho kopanya ha e na khatello e phahameng, ha ho hlokahale hore e nkeloe sebaka ho ea ka kemiso ea kamehla ea tlhokomelo, 'me gasket ea flange e hloka ho nkeloa sebaka ha tsamaiso e qhaqhoa bakeng sa tlhokomelo. E le ho fokotsa lerata le ho sisinyeha ha tsamaiso, tsamaiso ea flange e hloka ho sebelisa melumo ea rabara kapa li-hoses tse lohiloeng. Lintho tsena li ka 'na tsa hlōleha ka lebaka la ho otlolla ho feta tekano,' me tlas'a ho senyeha ho tloaelehileng, li hloka ho nkeloa sebaka ka karolelano lilemo tse ling le tse ling tse 10, e leng se ka lebisang litšenyehelong le ho fokotsa nako ea tsamaiso. Leha ho le joalo, manonyeletso a liphaephe a nang le li-grooves tsa mechine a ka lelefatsa bophelo ba tsamaiso. Ba na le bokhoni ba ho ikamahanya le ho sisinyeha ha tsamaiso le ho fokotsa kotsi ea ho hlōleha ha manonyeletso ntle le tlhokahalo ea lihlahisoa tse khethehileng tse hlokang tlhokomelo ea kamehla kapa ho nkeloa sebaka. Li-washer tsa selemo tse elastic tse ka har'a li-couplings tse tenyetsehang le tse thata li tšoarella haholo 'me li khona ho mamella likhatello tse kholo tsa ho sebetsa le meroalo ea nako le nako. Sistimi e ka hatelloa le ho hatelloa khafetsa ntle le mokhathala oa gasket ea elastomer. Likarolo tsa li-valve tse bobebe hangata li entsoe ka likarolo tsa flange. Leha ho le joalo, mokhoa ona oa ho hokahanya o eketsa boima bo sa hlokahaleng tsamaisong ea liphaephe. Kopano ea valve ea flange ea 6-inch (150 mm) e na le valve ea lug butterfly. Belofo ea serurubele e hokahane le lesela le cheselitsoeng la molala, 'me liboutu tse robeli le linate li hokahantsoe lehlakoreng le leng le le leng la belofo, e boima ba lik'hilograma tse 85. Kopano ea li-valve tsa 6-inch (150 mm) e sebelisa belofo ea serurubele e nang le ntlha e kobehileng, phala e nang le ntlha e motso, le likhokahano tse peli tse thata ho kopanya likarolo tsena. Boima bo ka ba lik'hilograma tse 35, e leng 58% e bobebe ho feta kopano ea flanged. . Ka hona, kopano ea li-valve tsa grooved ke khetho e nepahetseng bakeng sa indasteri ea kaho ea likepe. Ha u sebelisa lihlahisoa tsa Victaulic grooved ho e-na le mokhoa o tloaelehileng oa ho hokahanya, papiso e ka holimo ea mohala oa ballast oa DIN 150 o kentsoeng o bontša ho fokotsa boima ba 30% (2,164 pounds vs. 3,115 pounds). Li-flange tse thellang tse 52, li-bolt sets le li-washer, ha li-coupling tse 60 tse thata li nka boima bo bongata tsamaisong ea li-welding/flange. Liphaepheng tsa boholo bo sa tšoaneng, boima bo ka fokotsoa ka ho sebelisa manonyeletso a liphaephe ho e-na le li-flanges. Boholo ba ho fokotseha ho itšetlehile ka bophara ba pipe le mofuta oa manonyeletso a sebelisoang. Tekong e sebelisang Victaulic Style 77 coupling (ho kopanya ho boima ka ho fetisisa ka har'a marang-rang) ho hokahanya phala, ho kenngoa ha kakaretso ea kopano ea grooved ho bapisoa le li-flange tse peli tse bobebe PN10 slide-in Boima bo fokotsehile haholo. Ho lahleheloa ke boima ba 'mele ho tlalehiloe ka tsela e latelang: lisenthimithara tse 4 (100 mm) -67%; lisenthimithara tse 12 (300 mm) -54%; 20 lisenthimithara (500 limilimithara) -60.5%. Tšebeliso ea mofuta o bobebe oa 75 kapa mofuta o thata oa li-couplings tsa 07 le / kapa li-flange tse boima haholo li ka finyella ho fokotsa boima ba 70%. Ka mohlala, 24-inch (600 mm) flange kit e sebelisoang tsamaisong ea TG2 e boima ba lik'hilograma tse 507, ha likarolo tse tšoanang tse sebelisang li-connectors tsa Victaulic li boima ba lik'hilograma tse 88 feela. Sebakeng se khethiloeng, sebaka sa likepe, se sebelisang likhokahanyo tse grooved ho e-na le li-flange, se fokolitse boima ba likepe tse tšehetsang lebōpong la leoatle ka lithane tse 12 le lithane tse 44 likepeng. Melemo ea moruo ea theknoloji ea ho betla ho beng ba likepe e totobetse: ho fokotsa boima ba 'mele ho bolela ho eketsa palo ea thepa kapa bapalami le ho fokotsa tšebeliso ea mafura. Sena se boetse se nolofalletsa ho sebetsana le tsamaiso ea liphaephe tsa sekepe. Mokhoa o ntseng o tsoela pele oa liphaephe tsa Grooved li na le melemo e mengata ho feta liphaephe tse nang le flanged ka lebaka la lebelo la tsona la ho kenya, ho boloka le ho fokotsa boima ba 'mele. Likarolo tsena, hammoho le melemo e meng e kang ho ts'epahala, ho tsamaisana ha bonolo le likotsi tse tlase tsa polokeho, li khothalelitse beng ba likepe, baenjiniere le libaka tsa likepe ho khetha litsamaiso tsa mochini tse koetsoeng sebakeng sa li-flanges. Mokhoa o ntseng o hōla oa tšebeliso ea theknoloji ea groove o tšehetsoa ke bafani ba thepa (joaloka li-heaters tsa mocheso, li-box coolers le li-coolers) hammoho le baetsi ba li-valve le ba compressor, bao bongata ba bona hona joale ba fanang ka lihlahisoa tsa bona Fana ka khokahanyo ea ho qetela ea grooved. Mefuta e mengata ea litšebeletso tse ka sebelisang liphaephe tsa grooved li ntse li eketseha. Ka ts'ebeliso ea eona e atlehileng lits'ebetsong tsa metsi, Victaulic e tla ntšetsa pele nalane ea eona e telele ea boqapi ho nts'etsapele li-gaskets tse sa cheng le ho fumana setifikeiti sa mofuta bakeng sa ts'ebeliso ea tsona lits'ebeletso tsa mafura a kantle ho naha. Sehlopha sa balekane ba indasteri ea likepe se hlahloba ka kopanelo bokhoni ba theknoloji, lichelete le tikoloho ... NovAtel, e leng karolo ea k'hamphani ea theknoloji ea Hexagon, e hlahisitse mochine o mocha oa GPS oa anti-jamming (GAJT) tlas'a maemo a mpe haholo. Sehlopha sa Hurtigruten se boletse hore ntlafatso e tala ea likepe tsohle tsa eona tsa Hurtigruten Norwegian coastal express-ho kenyeletsoa libeteri ... 'Muso oa Jeremane o boletse ka Mantaha hore indasteri ea likepe tsa ntoa e hloka tšebelisano e eketsehileng le ho kopanya. 'Muso oa Madache o amohetse consortium, ho kopanyelletsa le linatla tsa oli Royal Dutch Shell le Exxon Mobil hoo e ka bang US $ 2 limilione tse likete ... Morerong ofe kapa ofe oa matla a lebōpong la leoatle, polokeho ea basebetsi, mehaho, lisebelisoa le tikoloho ke tsa bohlokoa ka ho fetisisa. Khatisong ea khatiso ea March/April ... 'Muso oa Canada o tšepisitse ka Labone hore o tla haha ​​​​likepe tse peli tsa Arctic tse pshatlang leqhoa le ho hlahisa makholo a mesebetsi lipolotiking ka bobeli. Sekepe sa morao-rao sa Foss Maritime e tla ba sekepe sa pele sa koung ea folakha ea Amerika ho kopanya litsamaiso tse ikemetseng ho seketsoana sa khoebo sa lefats'e la nnete. Bapholosi ba se ba qalile ho tlosa peterole ka tankeng ea mafura ea sekepe sa lifti seo United States e ileng ea se etsa Koung ea Mexico khoeling e fetileng. "Maritime Journalist Electronic News" ke tšebeletso ea litaba tsa elektroniki tse kholo ka ho fetisisa le tse nang le bolaoli indastering ea maoatle. E romelloa ho lengolo-tsoibila la hau makhetlo a mahlano ka beke.