Chiyambi cha mavavu a Butterfly
Mavavu a butterfly
Vavu ya Gulugufe ndi valavu yozungulira yozungulira kotala, yomwe imagwiritsidwa ntchito kuyimitsa, kuwongolera, ndikuyamba kuyenda.
Mavavu agulugufe ndi osavuta komanso otsegula mwachangu. Kuzungulira kwa 90 ° kwa chogwirira kumapereka kutseka kwathunthu kapena kutsegula kwa valve. Mavavu Agulugufe Aakulu nthawi zambiri amakhala ndi bokosi lotchedwa gearbox, pomwe gudumu lamanja limalumikizidwa ndi tsinde. Izi zimathandizira kugwira ntchito kwa valve, koma mopanda liwiro.
Mitundu ya mavavu a Gulugufe
Mavavu agulugufe ali ndi thupi lalifupi lozungulira, diski yozungulira, mipando yachitsulo-to-zitsulo kapena yofewa, pamwamba ndi pansi pa shaft bearings, ndi bokosi lodzaza. Mapangidwe a thupi la Butterfly valve amasiyana. Mapangidwe omwe amagwiritsidwa ntchito kwambiri ndi mtundu wawafer womwe umakwanira pakati pa ma flanges awiri. Mtundu winanso, wopangidwa ndi nthiti zopyapyala, umayikidwa pakati pa ma flanges awiri ndi mabawuti omwe amalumikizana ndi ma flanges awiriwo ndikudutsa mabowo akunja kwa valavu. Ma valve agulugufe amapezeka ngakhale ndi ma flanged, ulusi ndi matako kuwotcherera, koma sagwiritsidwa ntchito nthawi zambiri.
Mavavu agulugufe ali ndi zabwino zambiri kuposa zipata, globe, pulagi, ndi mavavu a mpira, makamaka pamavavu akuluakulu. Kusunga kulemera, malo, ndi mtengo ndizo zabwino zoonekeratu. Ndalama zolipirira nthawi zambiri zimakhala zotsika chifukwa pali magawo ochepa osuntha ndipo palibe matumba otsekera madzi.
Mavavu agulugufe ndi oyenerera kwambiri kunyamula madzi ochuluka amadzimadzi kapena mpweya womwe umakhala wochepa kwambiri komanso kunyamula slurries kapena zakumwa zokhala ndi zolimba zambiri zoyimitsidwa.
Mavavu agulugufe amamangidwa pa mfundo ya damper ya chitoliro. Chigawo chowongolera mafunde ndi disk ya pafupifupi m'mimba mwake mofanana ndi m'mimba mwake ya chitoliro cholumikizana, chomwe chimazungulira pa olamulira oima kapena opingasa. Pamene disk ikufanana ndi kuthamanga kwa mapaipi, valve imatsegulidwa kwathunthu. Pamene disk ikuyandikira malo a perpendicular, valve imatsekedwa. Maudindo apakatikati, pazolinga zogwedeza, amatha kutetezedwa ndi zida zotsekera.
Kupanga Mpando wa Gulugufe
Kuyimitsidwa kwa madzi kumatheka ndi valavu disk kusindikiza mpando umene uli mkati mwa chigawo chapakati cha thupi la valve. Ma valve a Gulugufe ambiri amakhala ndi mpando wa elastomeric womwe diskiyo imasindikiza. Mavavu ena a Gulugufe ali ndi dongosolo la mphete zosindikizira zomwe zimagwiritsa ntchito mphete yotchinga ndi mphira pa mphete ya rabara yozungulira. Mapangidwe awa amalepheretsa kutuluka kwa mphete za O.
M'mapangidwe oyambirira, diski yachitsulo idagwiritsidwa ntchito kusindikiza pampando wachitsulo. Dongosololi silinapereke kutseka kolimba, koma linapereka kutseka kokwanira muzinthu zina (mwachitsanzo, mizere yogawa madzi).
Kumanga Thupi la Gulugufe
Mapangidwe a thupi la butterfly valve amasiyana. Chokwera mtengo kwambiri ndi mtundu wawafesi womwe umakwanira pakati pa ma flange awiri a mapaipi. Mtundu winanso, wopangidwa ndi ma wafer, amaikidwa m'malo ake pakati pa mapaipi awiri otchinga ndi mabawuti omwe amalumikizana ndi ma flanges awiriwo ndikudutsa mabowo akunja kwa valavu. Mavavu agulugufe alipo ndi ochiritsira malekezero flanged kwa bolting kwa flanges chitoliro, ndi mu ulusi mapeto yomanga.
Seat Disk ndi Tsinde la valve ya Butterfly
Tsinde ndi disk ya vavu ya Gulugufe ndi zidutswa zosiyana. Diskiyo amatopa kulandira tsinde. Njira ziwiri zimagwiritsidwa ntchito kuteteza diski ku tsinde kuti diski imazungulira pamene tsinde likutembenuzidwa. Mu njira yoyamba, diski imabowoleredwa ndikutetezedwa ku tsinde ndi mabawuti kapena zikhomo. Njira ina imaphatikizira kutopetsa diski monga kale, kenaka kupanga tsinde lapamwamba kuti ligwirizane ndi tsinde la masikweya kapena hekisi. Njirayi imalola diski "kuyandama" ndikuyang'ana malo ake pampando. Kusindikiza kofanana kumakwaniritsidwa ndipo zomangira tsinde zakunja zimachotsedwa. Njira yophatikizira iyi ndi yothandiza pama disks ophimbidwa komanso pakuwononga ntchito.
Kuti diskiyo ikhale yoyenera, tsinde liyenera kupitirira pansi pa disk ndikulowa mu bushing pansi pa thupi la valve. Chitsamba chimodzi kapena ziwiri zofanana ndizomwe zili pamwamba pa tsinde. Zitsambazi ziyenera kukhala zosagwirizana ndi zofalitsa zomwe zimagwiridwa kapena kusindikizidwa kuti zofalitsa zowononga zisakumane nazo.
Zisindikizo za tsinde zimakwaniritsidwa ndi kulongedza m'bokosi lokhazikika kapena pogwiritsa ntchito zisindikizo za O-ring. Ena opanga ma valve, makamaka omwe ali odziwa bwino ntchito zowononga zinthu, amayika tsinde mkati mwa valavu kuti pasapezeke chinthu chogwiridwa ndi valavu chomwe chingakhudze tsinde la valavu. Ngati bokosi lopangira zinthu kapena O-ring yakunja ikugwiritsidwa ntchito, madzi omwe amadutsa mu valve amakumana ndi tsinde la valve.
Mavavu a Gulugufe
Valavu ya Gulugufe imatha kugwiritsidwa ntchito mumitundu yosiyanasiyana yamadzimadzi ndipo imagwira bwino ntchito mopanda phokoso. Izi ndi zina mwazomwe zimagwiritsidwa ntchito ndi ma valve a Gulugufe:
- Madzi ozizira, mpweya, mpweya, chitetezo moto etc.
- Masamba ndi ntchito zofananira
- Service vacuum
- Kuthamanga kwambiri komanso kutentha kwambiri kwamadzi ndi ntchito za nthunzi
Ubwino wa mavavu a butterfly
- Mapangidwe ang'onoang'ono amafunikira malo ochepa kwambiri poyerekeza ndi ma valve ena
- Wopepuka kulemera
- Kuchita mwachangu kumafuna nthawi yocheperako kuti mutsegule kapena kutseka
- Zopezeka mumitundu yayikulu kwambiri
- Kutsika kwapang'onopang'ono komanso kuchira kwamphamvu kwambiri
Kuipa kwa ma valve a Butterfly
- Utumiki wa throttling umangokhala ndi kupanikizika kochepa kosiyana
- Cavitation ndi kutsamwitsidwa otaya ndi awiri angathe nkhawa
- Kusuntha kwa disc sikumayendetsedwa komanso kumakhudzidwa ndi chipwirikiti choyenda
Vanessa triple offset butterfly valve
Ndemanga za Wolemba…
Ma Gaskets ndi kukhazikitsa ma valve a Gulugufe
Pa Seputembala 14, 2012 ndidalandira imelo yokhala ndi ndemanga iyi:
Ndili ndi lingaliro kwa inu lomwe sindikuganiza kuti layankhidwa patsamba lanu, lomwe ndikufotokozera mtundu wanji wa gasket kuti mugwiritse ntchito ma valve a Gulugufe osiyanasiyana (Mtundu E kapena F) ndi mtundu wanji wa flange womwe uyenera kugwiritsidwa ntchito (RF kapena FF), komanso ngati gasket sikofunikira chifukwa ma valve a Gulugufe ali ndi ma gaskets ofunikira. Ndapeza kuti nthawi zambiri pamakhala chisokonezo pankhaniyi.
Kuwona bwino koteroko ndi izi:
Malangizo oyika kuchokera kwa ogulitsa ma valve a Butterfly:
Valavu idapangidwa kuti igwiritsidwe ntchito pakati pa mitundu yonse ya Flat kapena Raised Face flanges.
OSAGWIRITSA NTCHITO GASKET ZA FLANGE.Mapangidwe a vavu a Gulugufe amalepheretsa kufunikira kwa ma gaskets. Kuti muyike bwino, danga pakati pa ma flanges liyenera kukhala lokwanira kuti ma valve alowe popanda kusokoneza chisindikizo cha flange. Zindikirani kuti m'mphepete mwa diac yosindikizira ikugwirizana ndi kutsetsereka kwa shaft. Tembenuzani tsinde kuti muyike diski mkati mwa thupi, ikani valavu pakati pa ma flanges ndikumangitsa ma bolts pamanja.
TSEGULUKA PACHOKERAvalavu yotsutsana ndi mawotchi kuti muwone ngati pali chilolezo chokwanira cha disc.
Bwezeretsani DISC KU 10% YOSEGULITSA POSI& phatikizani ma bolt onse, fufuzaninso chilolezo chokwanira cha disc.
Zolakwika
Diski pamalo otsekedwa ndipo ma Gaskets adayikidwa
pakati pa valve ndi mating flanges
Zolondola
Palibe gaskets flange ntchito ndi Chimbale mu
pafupifupi malo otsekedwa.
Malangizo ena oyika kuchokera kwa ogulitsa ma valve a Gulugufe:
CHENJEZO
Ma gaskets otsatirawa ayenera kugwiritsidwa ntchito poyika ma valve mu mapaipi.
- Mtundu wa Gasket
Gasket yolimbitsa PTFE (gasket yokhala ndi jekete, Spiral Wound gasket kapena Metal gasket siyingayikidwe.) - Kukula kwa Gasket
Miyeso ya gasket iyenera kutsata ASME B16.21. (Kunenepa kwambiri kwa gasket ndi 3mm.)
Mavavu sangathe kukhazikitsidwa kuti atseke. Valavu iyenera kukhazikitsidwa molingana ndi muvi, woperekedwa kumbali ya woyendetsa wokwera flange. Muvi uyenera kuloza kuchokera ku mbali yothamanga kwambiri kupita kumunsi kwapansi pa valve yotsekedwa.
Choncho, tikulimbikitsidwa kutsatira malangizo a Gulugufe valve supplier!
Kupewa zovuta ndi ma valve a Gulugufe
Mavuto ambiri omwe ali ndi mavavu a Gulugufe m'munda amagwirizana mwachindunji ndi njira zoyika bwino. Pachifukwa ichi, ndi bwino kuganizira momwe mungagwiritsire ntchito bwino poyala chitoliro-ntchito ndikuyika valve yokha.
Mpando wa valavu ya Gulugufe wokhazikika nthawi zambiri umayenda mozungulira kumaso onse a valve. Zotsatira zake, palibe ma gaskets omwe amafunikira chifukwa mipandoyi imagwira ntchito ya gasket. Zida zapampando zomwe zimapitilira kumaso zimapanikizidwa pakuyika ndikuyenderera chapakati pampando wa valve. Kusintha kulikonse mu kasinthidwe kameneka chifukwa cha kuyika kosayenera kumakhudza mwachindunji mlingo wa kuthamanga ndi ma torque okhala / osasunthika.
Mosiyana ndi mitundu yambiri ya valavu, diski ya Butterfly valve imapitirira kupitirira nkhope ya thupi la valve pamakona otsegulira (mwachitsanzo, 30 ° kapena kuposa) ikayikidwa pakati pa flanges. Choncho, n'kofunika kwambiri pamaso unsembe kuonetsetsa kuti chimbale amatha momasuka kutembenukira ndi kulowa flanges ndi chitoliro-ntchito.
Kutumiza ndi Kusunga
- Ikani ma discs pa 10% otseguka kuti asakhale osakhazikika.
- Nkhope za valve iliyonse ziyenera kuphimbidwa kuti zisawonongeke pampando wa mpando, m'mphepete mwa disc, kapena mkati mwa valve.
- Sungani m'nyumba, makamaka ndi kutentha kwapakati pa 5 ° C ndi 30 ° C.
- Tsegulani ndi kutseka ma valve miyezi itatu iliyonse.
- Ma valve otumiza ndi sitolo kuti pasakhale katundu wolemetsa omwe amagwiritsidwa ntchito pa matupi.
Malo a Vavu
- Mavavu agulugufe akhazikike ngati kuli kotheka ma diameter a mapaipi osachepera 6 kuchokera ku mizere ina, mwachitsanzo, zigongono, mapampu, mavavu, ndi zina zambiri. Nthawi zina izi sizingatheke, koma ndikofunikira kukwaniritsa mtunda wautali momwe mungathere.
- Kumene valavu ya Gulugufe imagwirizanitsidwa ndi valavu yowunikira kapena mpope, sungani malo okwanira pakati pawo kuti zitsimikizire kuti diski sichikusokoneza zipangizo zoyandikana nazo.
Kuwongolera kwa Vavu
Monga lamulo la chala chachikulu, mavavu a Gulugufe amaikidwa ndi tsinde pamalo oyima ndi chowongolera chokwera pamwamba pake, komabe, pali ntchito zina zomwe tsinde liyenera kukhala lopingasa. Fayilo ya .pdf ili m'munsiyi imakuuzani chifukwa chake tsinde nthawi zina liyenera kuyikidwa mopingasa.
(Malangizo oyika ma valve a butterfly)
Njira zoyika
- Onetsetsani kuti nkhope za mapaipi ndi flange ndi zoyera. Zinthu zilizonse zakunja monga zitsulo zachitsulo, sikelo ya chitoliro, kuwotcherera slag, ndodo zowotcherera, ndi zina zotero zimatha kuchepetsa kusuntha kwa disc kapena kuwononga diski kapena mpando.
- Ma gaskets safunikira pa ma valve okhala pansi chifukwa amafikira nkhope zonse za valve.
- Gwirizanitsani ntchito ya chitoliro, ndi kufalitsa ma flanges mokwanira kuti thupi la valve lilowetsedwe mosavuta pakati pa ma flanges popanda kukhudzana ndi zitoliro.
- Onetsetsani kuti valavu disc yakhazikitsidwa pafupifupi 10% yotseguka kotero kuti isakhale yodzaza ndikukhala pansi.
- Ikani valavu pakati pa flanges monga momwe tawonetsera, kusamala kuti musawononge nkhope za mpando. Nthawi zonse kwezani valavu pogwiritsa ntchito mabowo opeza kapena kugwiritsa ntchito nayiloni pakhosi kapena pathupi. Musanyamule valavu ndi actuator kapena woyendetsa wokwera pa valve.
- Ikani valavu pakati pa ma flanges, pakati pake, ikani ma bolts ndikuwalimbitsa pamanja. Tsegulani chimbale mosamala, kuonetsetsa kuti chimbale sichikukhudzana ndi mkati mwa mapaipi oyandikana nawo.
- Tsekani pang'onopang'ono chimbale cha valve kuti muwonetsetse kuti m'mphepete mwa diski muli chilolezo chochokera ku chitoliro choyandikana nacho.
- Tsegulani kwathunthu chimbale ndikumangitsa mabawuti onse a flange monga momwe zasonyezedwera.
- Bwerezani kuyandikira kwathunthu kwa kuzungulira kotseguka kwa diski kuti muwonetsetse zovomerezeka.
Nthawi yotumiza: May-06-2020