Mu dziko lovuta la mapaipi a mafakitale, kuwongolera kayendedwe ka madzi modalirika ndikofunikira kwambiri.Flanged Mpira Valavuimaonekera ngati imodzi mwa njira zomwe zimagwiritsidwa ntchito kwambiri komanso zodalirika.
Kodi valavu ya mpira wopindika ndi chiyani?
Flanged Mpira Valavundi valavu ya mpira yokhala ndiMapeto a FlangeKulumikizana.
Ndi mtundu wa valavu yozungulira kotala yomwe imagwiritsa ntchito mpira wa valavu kuti ilamulire kuyenda kwa madzi. Ndi chinthu chodziwika bwino? M'malo mwa malekezero opindika kapena opindika, imakhala ndiMa Flangepamalo olowera ndi potulukira. Ma flange awa amamangirira mwachindunji ku ma flange ofanana pa payipi, zomwe zimapangitsa kuti pakhale kulumikizana kolimba, kolimba, komanso kosavuta kusamalira. Kapangidwe kameneka kamapangitsa ma valavu a mpira opindika kukhala abwino kwambiri pantchito zovuta m'mafakitale ambiri, kuyambira pamizere ya nthunzi yothamanga kwambiri mpaka kukonza mankhwala owononga.
Kumvetsetsa Ma Vavulopu a Mpira Opindika: Ma Flanges ndi Ma Vavulopu a Mpira
Kuti timvetse bwino valavu ya mpira yozungulira, tiyeni tigawane zinthu ziwiri zofunika kwambiri:
Kodi Valavu ya Mpira ndi Chiyani?:
Pamtima pake pali muyezoValavu ya Mpiramfundo. Mpira wozungulira wokhala ndi bore (dzenje) pakati pake umazungulira madigiri 90 mkati mwa thupi la valavu. Bore ikagwirizana ndi chitoliro, kuyenda kwake kumakhala kopanda malire (kotseguka). Ukazunguliridwa mopingasa, mpira wolimba umatseka kuyenda konse (kotsekedwa). Kapangidwe kameneka kamapereka ntchito yachangu, kuthekera kotseka bwino, komanso kuchepetsa kuyenda kwake pang'ono akatsegulidwa kwathunthu (makamaka m'mapangidwe a full port).
Kodi Kulumikizana kwa Flange End ndi Chiyani?
Flange ya valavu ndi kapangidwe kake komwe valavu imalumikizidwa ku payipi pogwiritsa ntchito njira yolumikizira flange. Ndi gawo lodziwika bwino lolumikizirana lomwe limatha kuchotsedwa mumakina opangira mapaipi a mafakitale.
Tanthauzo Lalikulu:
Flange ya valavu ndi kapangidwe kofanana ndi flange komwe kamapangidwa kumapeto onse awiri kapena polowera ndi potulukira thupi la valavu. Imalumikizidwa ku flange ya payipi pogwiritsa ntchito mabolts ndi ma gaskets kuti itseke ndi kuyenda bwino.
Ili m'gulu la "ma valve olumikizidwa ndi flange," kutsindika njira yolumikizira osati mtundu wa valavu (monga ma valve a gulugufe, ma valve a mpira, ma valve a chipata, ndi zina zotero, zonse zitha kulumikizidwa ndi flange).
Ma flange ndi athyathyathya, ofanana ndi ma disc okhala ndi mabowo angapo obooledwa mozungulira perimeter yawo. Pa valavu ya mpira wopindika, awa amaponyedwa kapena kuwongoleredwa kumapeto kwa thupi la valavu. Vavu imayikidwa mwa kuyika gasket pakati pa ma flange ake ndi ma flange a pipeline, kenako kumangirira ma bolt mozungulira. Izi zimapangitsa kuti cholumikizira champhamvu kwambiri, chosapanikizika chikhale chosavuta kudulidwa kuti chikonzedwe kapena kusinthidwa popanda kudula chitoliro. Miyezo yodziwika bwino ya flange ndi ASME B16.5 (ANSI) ndi ASME B16.47 (API).
Zinthu Zazikulu:
Kusindikiza Kwabwino:Kutseka kodalirika kumachitika kudzera mu ma gasket (monga rabara, asbestos, ma gasket achitsulo ozungulira, ndi zina zotero).
Kuthamanga Kwambiri Kunyamula Mphamvu:Yoyenera pamavuto apakati ndi okwera (mavoti ofala a kupanikizika PN1.0～PN40.0, Gulu 150～2500).
Kukhazikitsa ndi Kusamalira Kosavuta:Ikhoza kuphwanyidwa kangapo, yoyenera makina a mapaipi omwe amafunika kukonzedwa nthawi zonse.
Kukhazikika kwapamwamba: M'dziko, muyezowu umatsatira kwambiri GB/T 9112 ~ 9124-2010, muyezo wa ma flange achitsulo.
Mitundu yodziwika bwino (ndi kapangidwe kake):
Flange yophatikizana:Chopangidwa kapena chopangidwa mogwirizana ndi thupi la valavu.
Kuwotcherera Khosi Flange:Kulimba kwambiri, komwe kumagwiritsidwa ntchito popaka mphamvu kwambiri komanso kutentha kwambiri.
Flange yotchingira:Amagwiritsidwa ntchito pa ntchito zapakati ndi zochepa.
Flange yotayirira:Zosavuta kuzilumikiza, zomwe zimagwiritsidwa ntchito kwambiri pazitsulo zosapanga dzimbiri kapena mapaipi achitsulo osapanga chitsulo.
Zindikirani:Pakusankha, chifukwa cha kusiyana kwa kapangidwe ndi momwe zimagwirira ntchito, ma valve a mpira nthawi zambiri amagwiritsa ntchito maulumikizidwe olumikizidwa, maulumikizidwe olumikizidwa, maulumikizidwe olumikizirana, ndi zina zotero. Chifukwa chake, ma valve ofanana ndi ma valve a mpira olumikizidwa amaphatikizapo ma valve a mpira olumikizidwa, ma valve a mpira olumikizidwa, ndi ma valve a mpira olumikizirana.
Chithunzi chotsatira cha valavu ya mpira chikuwonetsa mavalavu a mpira omwe ali ndi kulumikizana kosiyana.
Kugawa kwa Flanged Ball Valve: Kusiyana Kofunika
Ma valve a mpira opindika amabwera m'njira zosiyanasiyana kuti agwirizane ndi zosowa zosiyanasiyana. Zofunikira pakugawa ndi izi:
Ndi Kumanga Thupi:
* Gawo limodzi:Thupi ndi chinthu chimodzi chopangidwa ndi chitsulo chosungunula/chopangira. Chotsika mtengo kwambiri, chokhazikika. Chokhacho ndi cha kukula kochepa/kupanikizika kochepa.
* Zidutswa Ziwiri:Thupi limagawidwa m'magawo awiri akuluakulu (nthawi zambiri thupi + chivundikiro chimodzi chakumapeto), cholumikizidwa pamodzi. Chimalola kulowa mkati kuti mukonze/kuyeretsa popanda kuchotsa pamzere. Mtundu wofala kwambiri.
* Zidutswa Zitatu:Thupi lake lili ndi gawo lapakati ndi zipewa ziwiri zomaliza, zonse zolumikizidwa pamodzi. Limapereka mwayi wosavuta wopeza mpira ndi mipando yokonzera/kukonza/kusintha, yabwino kwambiri poigwiritsa ntchito pafupipafupi kapena paukhondo. Nthawi zambiri mtengo wake ndi wokwera.
Kukula kwa Doko:
* Doko Lonse (Lodzaza Lonse):Chimake cha chibowo cha mpira chikufanana ndi m'mimba mwake wa chitoliro cholumikizira (~chofanana ndi kukula kwa valavu). Chimachepetsa kutsika kwa kuthamanga kwa magazi, chimalola kukwera, choyenera kugwiritsidwa ntchito poyesa kuchuluka kwa madzi.
* Doko Lochepetsedwa (Bore Lochepetsedwa):Chipinda cha mpira ndi chaching'ono kuposa kukula kwa valavu/chizindikiritso cha chitoliro. Zimapangitsa kuti kuthamanga kwa mpweya kuchepe kwambiri koma kumakhala kochepa komanso kotsika mtengo. Koyenera komwe kuletsa kuyenda kwa madzi sikofunikira kwenikweni.
Ndi Flange Facing (Malo Ofunika Kwambiri!):
* Valavu ya Mpira RF (Nkhope Yokwezedwa):Flange ili ndi mphete yokwezedwa, yosalala yozungulira bore. Gasket yosalala (nthawi zambiri yosakhala yachitsulo monga graphite kapena PTFE) imakhala pamwamba pa malo okwezedwa awa. Mtundu wowonekera kwambiri pamafakitale onse (ASME B16.5).Chofunika kwambiri pa "Ball Valve RF".
* Valavu ya Mpira RTJ (Mtundu wa Mphete):Flange ili ndi mbewa yopangidwa kumaso kwake. Gasket yachitsulo yooneka ngati mphete (yozungulira kapena ya octagonal) imalowa mu mbewa iyi, ndipo imasinthasintha pansi pa katundu wa bolt kuti ipange chisindikizo chachitsulo kuchokera kuchitsulo kupita kuchitsulo cholimba kwambiri. Chofunika kwambiri pa ntchito yothamanga kwambiri, kutentha kwambiri, kapena yofunika kwambiri (monga ASME 900# ndi kupitirira apo, kunyanja, pansi pa nyanja).Chofunika kwambiri pa "Ball Valve RTJ".
* Nkhope Yathyathyathya (FF): Sizofala kwambiri pa ma valve a mpira, makamaka pa ma valve achitsulo otsika mphamvu omwe amalumikizana ndi ma flange a nkhope yathyathyathya.
Ndi Zipangizo:
Zipangizo zoyeretsera thupi/zoyeretsera zimasiyana kwambiri (Chitsulo cha Carbon, Chitsulo Chosapanga Dzimbiri 316/304, Duplex, Alloy 20, Hastelloy, PVC, CPVC) kuti zigwire madzi osiyanasiyana, kupanikizika, kutentha, ndi dzimbiri. Mipando (nthawi zambiri PTFE, PTFE yolimbikitsidwa, PEEK, chitsulo) ndi zotsekera zimasankhidwa kuti zigwirizane ndi magwiridwe antchito a zotsekera.
Ubwino Waukulu wa Ma Valves a Mpira Wopindika
Kutchuka kwawo kumachokera ku zabwino zingapo:
1. Kulumikizana Kolimba & Kolimba kwa Kutaya:Malekezero opindika amapereka mphamvu yapadera komanso kutseka bwino, makamaka pogwiritsa ntchito gasket yoyenera (RF kapena RTJ), zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito pa kutentha kwambiri komanso pamagetsi.
2. Kukhazikitsa ndi Kusamalira Kosavuta:Kuyika maboliti kumathandiza kuyika mosavuta poyerekeza ndi kuwotcherera. Ma valve amatha kuchotsedwa mosavuta kuti akawunikidwe, kukonzedwa, kapena kusinthidwa popanda kusokoneza payipi yonse.
3. Kuzimitsa Kwabwino Kwambiri:Kapangidwe ka mpira kamapereka chitseko cholimba ngati thovu pamene chatsekedwa ndi mipando yabwino.
4. Mphamvu Yochepa & Kugwira Ntchito Mwachangu:Kugwira ntchito kotala (90°) kumalola kuti mutsegule/kutseka mwachangu popanda khama lalikulu.
5. Kutsika Kochepa kwa Kupanikizika (Doko Lonse):Ma valve otseguka mokwanira sapereka mphamvu zambiri pa kayendedwe ka madzi akatsegulidwa mokwanira.
6. Kusinthasintha:Imapezeka m'mitundu yosiyanasiyana ya kukula, kupanikizika (ASME 150# mpaka 2500#), zipangizo, ndi mapangidwe kuti zigwirizane ndi ntchito iliyonse yamafakitale.
7. Kulimba ndi Moyo Wautali:Zopangidwa ndi zipangizo zolimba komanso zopangidwa kuti zigwiritsidwe ntchito molimbika, zimapereka kudalirika kwa nthawi yayitali.
Kugwiritsa Ntchito Ma Valves a Mpira Osiyanasiyana
Ma valve a mpira opindika amapezeka paliponse m'mafakitale ambiri omwe amafuna njira yodalirika yoyendetsera kayendedwe ka madzi:
* Kupanga ndi Kuyeretsa Mafuta ndi Gasi:Mipata ya zitsime, mapaipi, kulekanitsa, njira zoyeretsera (kusamalira mafuta osakonzedwa, gasi, zinthu zoyeretsedwa).
* Kukonza Mankhwala ndi Mafuta:Kusamalira ma acid, zosungunulira, maziko, ndi madzi osiyanasiyana a processing pansi pa mikhalidwe yowononga.
* Kupanga Mphamvu: Ma waya a nthunzi (kuthamanga kwambiri/kutentha kwambiri), madzi operekera chakudya, makina ozizira.
* Kukonza Madzi ndi Madzi Otayira:Kuwongolera mapampu, maukonde ogawa, kusamalira matope.
* Mankhwala ndi Chakudya ndi Zakumwa (Zaukhondo zitatu):Njira zaukhondo zomwe zimafuna kutsukidwa pafupipafupi (CIP/SIP).
* Zamkati ndi Pepala:Kukonza mankhwala, nthunzi, madzi.
* HVAC:Makina akuluakulu otenthetsera ndi kuziziritsira amalonda/mafakitale.
* Kumanga Sitima Zapamadzi ndi Zombo:Madzi a m'nyanja, ballast, makina opangira mafuta.
Kusankha Valavu Yoyenera ya Mpira Wokhala ndi Flanged Wopanga & Wogulitsa
Kusankha chodalirikaFlanged Ball Vavu WopangandiFlanged Ball Valve Supplierndikofunikira kwambiri pakugwira ntchito bwino komanso chitetezo. Ganizirani zinthu izi:
* Kutsatira Malamulo ndi Ziphaso: Yang'anani opanga omwe amatsatira miyezo yapadziko lonse lapansi (API 6D, API 607/6FA, ASME B16.34, ISO 17292, PED, CE) ndipo ali ndi ziphaso zoyenera zaubwino (ISO 9001).
* Ukatswiri pa Zinthu: Onetsetsani kuti ali ndi ma valve mu zipangizo zoyenera madzi anu, kuthamanga, kutentha, ndi dzimbiri.
* Kutha Kupanga: Kodi angapereke mtundu weniweni (2/3-piece, Full/Reduced Port), flange facing (RF, RTJ), pressure class, ndi actuation (pamanja, giya, pneumatic, electric) zomwe mukufuna?
* Kuyesa & Kuwongolera Ubwino: Opanga odziwika bwino amachita mayeso okhwima (kuyesa chipolopolo, kuyesa mipando, kuyesa moto ngati kuli kofunikira).
* Chithandizo cha Ogulitsa: Sankhani wogulitsa yemwe ali ndi chidziwitso champhamvu chaukadaulo, kupezeka kwa zinthu zomwe zilipo, komanso chithandizo chabwino kwa makasitomala kuti akupatseni mitengo, kutumiza, komanso chithandizo chomaliza mukamaliza kugulitsa.
Mapeto
TheFlanged Mpira Valavundi maziko a makina amakono ogwiritsira ntchito madzi a m'mafakitale. Kuphatikiza kwake ndi njira yosavuta komanso yothandiza yogwiritsira ntchito ma valve a mpira, mphamvu ndi magwiridwe antchito a maulumikizidwe olumikizana kumapangitsa kuti ikhale yankho lofunikira kwambiri pa ntchito zambiri. Kumvetsetsa mfundo zazikulu -kodi ndi chiyani, zakekugawa magulu(kuphatikizapo kusiyana kwakukulu mongaVavu ya Mpira RFmotsutsana ndiValavu ya Mpira RTJ), ubwino wake waukulu, ndi kugwiritsa ntchito kwake kwakukulu - kumapatsa mphamvu mainjiniya ndi akatswiri ogula zinthu kuti apange zisankho zolondola. Mukamagula zinthu, gwirizana ndi anthu odalirikaFlanged Ball Vavu OpangandiOgulitsaimakutsimikizirani kuti mumalandira ma valve apamwamba komanso odalirika omwe amakwaniritsa zosowa zanu mosamala komanso moyenera.
Nthawi yotumizira: Juni-04-2025