"Pneumatic" imatanthauza njira yoyendetsera magetsi, yomwe imagwiritsa ntchito mpweya wopanikizika kuti igwiritse ntchito valavu, zomwe zimathandiza kuti magetsi aziyendetsedwa patali kapena paokha.
Vavu ya gulugufe yolumikizana ndi flange ndi mtundu umodzi wa mtundu wolumikizira, wokhala ndi ma flange ofunikira kumapeto onse awiri a thupi la valavu, zomwe zimathandiza kuti ma flange a mapaipi akhale olimba.
Ma valve a gulugufe achitsulo chopangidwa ndi chitsulo chopangidwa ndi ductile amagwiritsidwa ntchito kwambiri powongolera kayendedwe ka madzi m'mafakitale osiyanasiyana, koma amasiyana malinga ndi katundu, magwiridwe antchito, mtengo ndi momwe amagwiritsidwira ntchito.
Kodi kusiyana pakati pa valavu ya gulugufe ndi valavu yowunikira gulugufe ndi kotani? Ngakhale kuti ali ndi mayina ofanana ndipo onse amagwiritsa ntchito kapangidwe ka mtundu wa disc, ntchito zawo, magwiridwe antchito awo, ndi momwe amagwiritsidwira ntchito zimasiyana kwambiri.
Ma valve a gulugufe a pneumatic, okhala ndi kapangidwe kake kosavuta, magwiridwe antchito mwachangu, komanso kutsika mtengo, akhala gawo lofunika kwambiri pamakina amakono a mapaipi.
Muyezo uwu wafalitsidwa ndi BSI ndipo ukugwirizana ndi miyezo ya ku Europe (EN), yomwe imapereka dongosolo lonse la kapangidwe, zipangizo, miyeso, mayeso, ndi magwiridwe antchito a ma valve a gulugufe.
- DN150: M'mimba mwake mwa dzina 150mm (yofanana ndi mainchesi 6 mu NPS).
- 150lb / 150 / Kalasi 150: Kuyeza kwa kupanikizika kwa ANSI/ASME Kalasi 150 (pafupifupi 150 psi, yofanana ndi PN20 ku China/Germany).
Nkhaniyi ikufotokoza kusiyana kwakukulu, ubwino, kuipa, ndi kugwiritsa ntchito ma valve a gulugufe a lug ndi double flange kuti akutsogolereni pakupanga zisankho.
- Chiwonetsero: Chiwonetsero cha Ma Valve Amakampani
- Malo: Centro Citibanamex
- Nambala Yoyimilira: A231
- Tsiku: 2-4, Seputembala
• Chochitika: ECWATECH 2025
• Masiku: Seputembala 9–11, 2025
• Chipinda: 8C8.6
• Malo: Crocus Expo International Exhibition Centre, Moscow, Russia
Chidule cha kuchuluka kwa ma valve a gulugufe okhala ndi mainchesi osiyanasiyana okhala ndi njira zosiyanasiyana zolumikizirana ndi mitundu yosiyanasiyana ya kapangidwe kake, kutengera miyezo yodziwika bwino yamakampani ndi machitidwe ogwiritsira ntchito. Popeza kuchuluka kwa mainchesi kumatha kusiyana kutengera wopanga ndi momwe amagwiritsidwira ntchito (monga kuchuluka kwa kuthamanga, mtundu wapakati, ndi zina zotero), nkhaniyi ikupereka zambiri za ma valve a zfa.
Vavu ya gulugufe ndi valavu yozungulira kotala. Imagwiritsidwa ntchito kulamulira kapena kupatula kuyenda kwa madzi m'mapaipi. Vavu ya gulugufe ndi chifukwa cha kapangidwe kake kosavuta komanso magwiridwe antchito abwino komanso m'magulu onse a anthu.
Chiyambi cha dzina la valavu ya gulugufe: chivundikiro cha valavu chimaoneka ngati gulugufe ndipo chimatchedwa choncho.
Pakati pa mitundu yosiyanasiyana ya ma valve a gulugufe, ma valve a gulugufe opambana kwambiri (HPBV) ndi ma valve a gulugufe ozungulira ndi omwe amagwiritsidwa ntchito kwambiri. Kuyerekeza kumeneku kudzagawa kusiyana pakati pa awiriwa kuchokera kumitundu yosiyanasiyana kuti kumveketse bwino ntchito zawo m'mafakitale ndi m'mizinda.
Kutuluka kwa valavu ya gulugufe, kuthetsa mavutowa kumafuna kuphatikiza kusankha valavu yoyenera, kuyika mosamala, kukonza nthawi zonse, ndi kukonza makina. Mwa kusankha zipangizo zoyenera kugwiritsa ntchito, kutsatira malangizo oyika ndi kuyang'anira momwe ntchito ikuyendera, ogwiritsa ntchito amatha kuchepetsa kwambiri chiopsezo cha kutuluka kwa madzi.
Mitundu yosiyanasiyana ya zipangizo zoikira mipando ya mavavu ili ndi makhalidwe osiyanasiyana a thupi ndi mankhwala ndipo ndi yoyenera mikhalidwe yosiyanasiyana yogwirira ntchito. M'nkhaniyi, tikuphunzira makamaka ndikuyerekeza mitundu yayikulu, magwiridwe antchito ndi momwe mipando ya mavavu yotanuka imagwirira ntchito.
Munkhaniyi, tiwunikanso opanga ma valvu a gulugufe 7 apamwamba kwambiri ku China ndikuchita kafukufuku wokwanira kuchokera ku mfundo za satifiketi ndi ziyeneretso, mtundu wa malonda, mphamvu zopangira ndi kutumiza, mpikisano wamitengo, luso laukadaulo, ntchito yogulitsa pambuyo pogulitsa, komanso mbiri ya msika.
Kusanthula mozama kusiyana pakati pa miyezo ya API 607 ndi API 608, kudziwa bwino mfundo zazikulu zaukadaulo pakusankha ma valve a mafakitale, kuphatikiza zofunikira zaposachedwa zoyesera ndi malangizo otsatira.
Valavu ya gulugufe ndi chipangizo chomwe chimawongolera kuyenda kwa chitoliro. Chimayendetsedwa mwa kuzunguliza diski kotala. Nthawi zambiri amagwiritsidwa ntchito pamene amatseka mwachangu.
Ndizodziwika bwino kuti ma valve a gulugufe ndi othandiza kwambiri, amapangidwa pang'ono komanso ndi otsika mtengo, motero amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana. Komabe, monga gawo lililonse la makina, ma valve a gulugufe amathanso kulephera. Kulephera kumagawidwa m'magulu awiri: kubadwa ndi kupezeka.
Pali kusiyana koonekeratu pakati pa valavu ya gulu la gulu la gulu la A ndi valavu ya gulu la gulu la B. Mavalavu a gulu la gulu la A ndi amtundu wa "concentric", mavalavu a gulu la gulu la B ndi amtundu wa "offset".
Kusintha ma valve a gulugufe ndi njira yovuta yomwe imafuna chidziwitso chaukadaulo, kulondola, ndi zida zoyenera kuti zitsimikizire kuti valavuyo ikugwira ntchito bwino komanso kuti isamatseke bwino. Buku lotsogolera la akatswiri okonza ma valve ndi akatswiri limapereka malangizo atsatanetsatane, njira zabwino, komanso malangizo othetsera mavuto.
Tikukondwera kulengeza kuti kampani yathu iwonetsa zinthu zathu zaposachedwa komanso zatsopano pa chiwonetsero chodziwika bwino cha R22, FENASAN, chomwe chidzachitike kuyambira pa 22 Okutobala mpaka 24 Okutobala, 2024.
Kulemera kwa valavu ya gulugufe ndikofunikira kwambiri pakupanga makina onse. Kumakhudza kuyika, kukonza, komanso kugwira ntchito bwino kwa makina onse. Imadziwika ndi kapangidwe kake kakang'ono komanso kuwongolera bwino kayendedwe ka madzi.
Ma valve a gulugufe ogwira ntchito bwino kwambiri amawonjezera ntchito yofunika kwambiri ya ma valve a gulugufe m'mafakitale. Ma valve amenewa amatha kulamulira bwino kayendedwe ka madzi.
Tikukupemphani mochokera pansi pa mtima kuti mudzakhale nawo pa chiwonetsero cha WASTETECH/ECWATECH chomwe chikubwera, mu8E8.2 IEC Crocus Expo, Moscowpa10-12 Seputembala, 2024.
Mvetsetsani momwe ma valve a gulugufe amawongolera kuyenda kwa madzi pogwiritsa ntchito diski yozungulira. Fufuzani njira za ZFA zotsika mtengo komanso zosasamalira kwambiri za makina akuluakulu amadzimadzi.
Ntchito yaikulu ya valavu ya gulugufe ndi kulumikiza kapena kudula kayendedwe ka payipi, kusintha njira yoyendera payipi, kusintha kuthamanga ndi kuyenda kwa payipi, ndikuyika mavalavu osiyanasiyana, akulu ndi ang'onoang'ono, mu dongosolo. Kudziwa momwe mungayezere kukula kwa valavu ya gulugufe kungalepheretse kusagwira bwino ntchito ndi zolakwika zodula.
Kukhazikitsa valavu ya gulugufe kumaphatikizapo njira zingapo zofunika. Kuyeretsa musanayike, kuyiyika bwino, kukonza ndi kuyang'anitsitsa komaliza kumatsimikizira kuti ikugwira ntchito bwino.
Kukhazikitsa valavu ya gulugufe kumaphatikizapo njira zingapo zofunika. Kuyeretsa musanayike, kuyiyika bwino, kukonza ndi kuyang'anitsitsa komaliza kumatsimikizira kuti ikugwira ntchito bwino.
Makampani awa kum'mwera ali m'madera a Jiangsu, Zhejiang, Shanghai, makamaka amapanga ma valve a zipata zolimba, pomwe kumpoto kuli m'madera a Beijing, Tianjin, Hebei, makamaka amapanga ma valve a zipata zofewa.
Nkhaniyi ifotokoza mitundu yosiyanasiyana ya ma valve oyezera ndi mfundo zofunika kuziganizira pa malangizo oyika ma valvewa mwatsatanetsatane.
Mu kufananiza kwathunthu kumeneku, tiwona mozama kapangidwe kake, ubwino, kuipa kwake, ndi momwe ma valve awiriwa amagwirira ntchito.
Nkhaniyi ifotokoza mwatsatanetsatane kusiyana pakati pa mavavu a gulugufe ndi mavavu a chipata kuyambira pa mfundo, kapangidwe kake, mtengo wake, kulimba kwake, malamulo oyendetsera kayendedwe ka madzi, kukhazikitsa kwake ndi kukonza kwake.
Ngati chitoliro chili chochepa ndipo kuthamanga kwake kuli kochepa, DN≤2000, tikupangira valavu ya gulugufe ya wafer;Ngati chitoliro chili chokwanira ndipo kuthamanga kwake kuli pakati kapena pansi, DN≤3000, valavu ya gulugufe ya flange imalimbikitsidwa.
Ngati kutentha kuli kokwera kwambiri ndipo palibe tinthu tating'onoting'ono tating'onoting'ono, mutha kusankha valavu ya gulugufe yolimba yokhala ndi chitsulo chonse.Kupanda kutero, chonde sankhani valavu yotsekera gulugufe ya multilayer sealing yamtengo wotsika.
M'nkhaniyi, tifufuza mozama za kuchuluka kwa mphamvu zomwe valavu ya gulugufe imatha kupirira, ndikuphunzira momwe mphamvu ya mphamvuyo imakhudzira zinthu monga kapangidwe ka valavu ya gulugufe, zinthu, kutseka, ndi zina zotero.
Ngati kutentha kuli kokwera kwambiri ndipo palibe tinthu tating'onoting'ono tating'onoting'ono, mutha kusankha valavu ya gulugufe yolimba yokhala ndi chitsulo chonse.Kupanda kutero, chonde sankhani valavu yotsekera gulugufe ya multilayer sealing yamtengo wotsika.
Kumanga valavu ya gulugufe ndi njira yosavuta koma yovuta. Vavu ya gulugufe ndi yomwe imagwira ntchito bwino pokhapokha ngati sitepe iliyonse yachitika mosamala. Apa ndi kufotokozera mwachidule njira yomanga valavu ya gulugufe ya wafer.
Kukonza ma valve a gulugufe kumatha kusiyana malinga ndi mtundu wa kuwonongeka kapena kulephera. Kungagawidwe m'magulu awiri: kukonza, kukonza wamba, ndi kukonza kwakukulu.
Nthawi yotsegulira ndi kutseka valavu ya gulugufe imakhudzana ndi liwiro la ntchito ya actuator, kuthamanga kwa madzi ndi zinthu zina.
t=(90/ω)*60,
Vavu ya chipata ndi valavu yomwe imagwiritsidwa ntchito KUTSEKA ndi KUZIMA kuyenda kwa madzi mu payipi. Imatsegula kapena kutseka valavu pokweza chipata kuti ilole kapena kuletsa kuyenda kwa madzi. Tiyenera kutsindika kuti valavu ya chipata singagwiritsidwe ntchito polamulira kuyenda kwa madzi.
Pali mitundu yambiri ya ma disc a valve a gulugufe malinga ndi momwe ma valve a gulugufe amagwiritsidwira ntchito, kukula kofala kwambiri kwa ma valve a gulugufe pa masheya ndi DN50-DN600, kotero tikuwonetsa ma disc a valve malinga ndi kukula komwe amagwiritsidwa ntchito nthawi zonse.
Kodi kusiyana, ubwino ndi kuipa kwa valavu ya gulugufe ndi valavu ya mpira ndi kotani?Munkhaniyi, tikuwunika kuchokera ku mbali za kapangidwe kake, mfundo zake, momwe amagwiritsidwira ntchito komanso momwe amatsekera.
Makampani opanga ma valve ku China nthawi zonse akhala amodzi mwa makampani otsogola padziko lonse lapansi. Mumsika waukuluwu, ndi makampani ati omwe amatchuka kwambiri ndikukhala khumi apamwamba kwambiri mumakampani opanga ma valve ku China?
Zimadalira kwambiri kuchuluka kwa chete. Ma valve oletsa chete amangochotsa phokoso ndikuchepetsa phokoso. Ma valve oletsa chete amatha kuteteza ndikuletsa phokoso mwachindunji akagwiritsidwa ntchito.
kuthamanga kwa mayeso > kuthamanga kwapadera > kuthamanga kwa kapangidwe > kuthamanga kwa ntchito.
Mfundo yogwira ntchito ya valavu yamagetsi ya gulugufe ndikuyendetsa chipangizo chotumizira kudzera mu mota kuti chizungulire mbale ya valavu, potero kusintha dera la njira yamadzimadzi m'thupi la valavu ndikuwongolera kuyenda kwa madzi.
Malinga ndi kafukufuku ndi kusanthula, dzimbiri ndi chimodzi mwa zinthu zofunika kwambiri zomwe zimayambitsa kuwonongeka kwa ma valve a gulugufe.
Chifukwa chake, kuphimba pamwamba pa thupi la valavu ndi mbale ya valavu ndiyo njira yotsika mtengo kwambiri yotetezera ku dzimbiri m'malo akunja.
Zisindikizo zolimba zimapangidwa ndi chitsulo, monga ma gasket achitsulo, mphete zachitsulo, ndi zina zotero, ndipo kutseka kumachitika kudzera mukukangana pakati pa zitsulo. Zisindikizo zofewa zimapangidwa ndi zinthu zotanuka, monga rabala, PTFE, ndi zina zotero.
Ma valve ambiri aku China akutumizidwa kumayiko osiyanasiyana padziko lonse lapansi, ndipo makasitomala ambiri akunja sakumvetsa kufunika kwa nambala ya valve yaku China, lero tikukutengerani kumvetsetsa kwina, ndikuyembekeza kuti zingathandize makasitomala athu.
Kusankha pakati pa mitundu iwiriyi ya ma valve a gulugufe kumadalira zofunikira za ntchitoyo, kuphatikizapo zoletsa malo, zofunikira pa kuthamanga kwa mpweya, kuchuluka kwa kukonza, ndi bajeti.
Malinga ndi mawonekedwe olumikizira flange, thupi la valavu ya gulugufe limagawidwa makamaka m'magulu awiri: wafer mtundu A, wafer mtundu LT, single flange, double flange, U mtundu flange.
Mtundu wa Wafer A ndi wolumikizira mabowo osalumikizidwa, mtundu wa LT 24" pamwamba pa specifications zazikulu nthawi zambiri umagwiritsa ntchito mphamvu yabwino ya thupi la valavu ya U kuti ulumikizane ndi ulusi, kumapeto kwa payipi kumafunika kugwiritsa ntchito mtundu wa LT.
Valavu ya mpira yooneka ngati V ili ndi doko looneka ngati V mbali imodzi ya pakati pa valavu ya hemispherical.
Kutseguka kwa njira yoyendera madzi ya valavu ya mpira yooneka ngati O ndi kozungulira, kukana kwake kuyenda kwa madzi ndi kochepa, ndipo liwiro losinthira ndi lachangu.
Mu nkhani yapitayi, tinakambirana za ma valve a chipata ndi globe, lero tikupita ku ma valve a gulugufe ndi ma valve owunikira, omwe amagwiritsidwa ntchito kwambiri poyeretsa madzi.
Valavu ndi chipangizo chowongolera mapaipi amadzimadzi. Ntchito yake yayikulu ndikulumikiza kapena kudula kayendedwe ka mapaipi, kusintha njira yoyendera madzi, kusintha kuthamanga ndi kuyenda kwa madzi, ndikuyika mavavu osiyanasiyana, akulu ndi ang'onoang'ono, mu dongosolo. Chitsimikizo chofunikira cha ntchito yabwinobwino ya chitoliro ndi zida.
Ma coefficients a kayendedwe ka ma valve olamulira (Cv, Kv ndi C) a machitidwe osiyanasiyana a mayunitsi ndi ma valve olamulira pansi pa kupanikizika kosiyana kokhazikika, kuchuluka kwa madzi komwe kumazungulira mu unit ya nthawi pamene valavu yolamulira yatsegulidwa kwathunthu, Cv, Kv ndi C pali ubale pakati pa Cv = 1.156Kv, Cv = 1.167C. Nkhaniyi ikugawana tanthauzo, unit, conversion ndi exhaustive derivation process ya Cv, Kv ndi C.
Mpando wa valavu ndi gawo lochotseka mkati mwa valavu, ntchito yayikulu ndikuthandiza mbale ya valavu kutseguka kapena kutsekedwa kwathunthu, ndikupanga sealing vise. Nthawi zambiri, m'mimba mwake mwa mpando ndi kukula kwa caliber ya valavu. Zipangizo za mpando wa valavu ya gulugufe ndi zazikulu kwambiri, zinthu zomwe zimagwiritsidwa ntchito kwambiri ndi zofewa zotsekera EPDM, NBR, PTFE, ndi zinthu zachitsulo zolimba zotsekera carbide. Kenako tidzayambitsa chimodzi ndi chimodzi...
Valavu yowunikira imatanthauza magawo otsegulira ndi otsekera a valavu yozungulira ndipo imadalira kulemera kwawo ndi mphamvu ya media kuti ipange kanthu kuti ilepheretse kuyenda kwapakati kwa valavu. Valavu yowunikira ndi valavu yodziyimira yokha, yomwe imadziwikanso kuti valavu yowunikira, valavu yolowera mbali imodzi, valavu yosabwerera kapena valavu yodzipatula.
Ma valve oyezera waferAmadziwikanso kuti ma valve obwerera m'mbuyo, ma valve obwerera m'mbuyo, ndi ma valve obwerera m'mbuyo. Ma valve amtunduwu amatsegulidwa ndi kutsekedwa okha ndi mphamvu yopangidwa ndi kuyenda kwa chinthucho chomwe chili mupaipi, chomwe ndi cha mtundu wa valavu yodziyimira yokha.
Valavu ya gulugufe chifukwa cha kukula kwake kochepa komanso kapangidwe kake kosavuta, yakhala imodzi mwa mavavu omwe amagwiritsidwa ntchito kwambiri mumakampani, ambiri amagwiritsidwa ntchito pamagetsi amadzi, kuthirira, madzi omanga ndi ngalande, uinjiniya wa boma ndi makina ena opachikira mapaipi, omwe amagwiritsidwa ntchito kudula kapena kulumikiza kuyenda kwa mawaya ozungulira kuti agwiritsidwe ntchito. Kenako vavu ya gulugufe pogwiritsa ntchito mavuto omwe amafunikira chisamaliro ndi mayankho a zomwe, lero tidzakhala omveka bwino kuti timvetse.
Ma valve ofewa otsekeredwa ndi ma valve otsekeredwa olimba ndi zida zomwe zimagwiritsidwa ntchito kwambiri powongolera ndi kuletsa kuyenda kwa madzi, zonse zimakhala ndi magwiridwe antchito abwino otsekeredwa, zimagwiritsidwa ntchito mosiyanasiyana, ndipo ndi chimodzi mwa zinthu zomwe makasitomala amagula kwambiri. Ena omwe amagula zinthu zatsopano angakhale ndi chidwi, monga momwe zilili ndi valavu ya chipata, kodi kusiyana kwake ndi kotani pakati pawo?
Muyezo wa AWWA ndi womwe bungwe la American Water Works Association linatulutsa koyamba zikalata zogwirizana mu 1908. Masiku ano, pali miyezo yoposa 190 ya AWWA. Kuyambira kochokera mpaka kosungira, kuyambira kuyeretsa mpaka kugawa, miyezo ya AWWA imakhudza zinthu ndi njira zokhudzana ndi madera onse osamalira ndi kupereka madzi. AWWA C504 ndi yoyimira wamba, ndi mtundu wa valavu ya gulugufe yokhala ndi zinyalala.
Ma valve a gulugufe akuluakulu nthawi zambiri amatanthauza ma valve a gulugufe okhala ndi mainchesi opitilira DN500, nthawi zambiri olumikizidwa ndi ma flange, ma wafer. Pali mitundu iwiri ya ma valve a gulugufe akuluakulu: valavu ya gulugufe yozungulira ndi ma valve a gulugufe ozungulira.
Zinthu zitatu zosiyana za Valve ya Gulugufe ya Triple Eccentric ndi izi:
Kusasinthasintha koyamba: shaft ya valavu ili kumbuyo kwa mbale ya valavu, zomwe zimapangitsa kuti chisindikizocho chitsegukemphete kuzungulira mpando wonse moyandikana.
Kusasinthasintha kwachiwiri: spindle imachotsedwa mbali imodzi kuchokera ku center mzere wa thupi la valavu, womwe umaletsa kusokoneza kutsegula ndi kutseka kwa valavu.
Chachitatu chosazolowereka: mpando imachotsedwa pakati pa mzere wapakati wa shaft ya valve, zomwe zimachotsa kukangana pakati padiski ndi kukhala pansi panthawi yotseka ndi kutsegula.
Valvu ya gulugufe yooneka ngati yosiyana kawiri imatchedwa dzina lake kuchokera ku mapangidwe ake awiri ooneka ngati yosiyana. Ndiye kodi kapangidwe kake ka mawonekedwe awiri ooneka ngati yosiyana ndi kawiri kamakhala bwanji?
Chomwe chimatchedwa kuti eccentric kawiri, choyamba chimatanthauza kuti shaft ya valve ili pakati pa malo otsekera, zomwe zikutanthauza kuti tsinde lili kumbuyo kwa nkhope ya valavu. Kusakhazikika kumeneku kumapangitsa kuti pamwamba pa valavu ndi mpando wa valavu zikhale pamalo otsekera, zomwe zimathetsa zofooka zomwe zimapezeka m'mavalavu a gulugufe, motero zimachotsa kuthekera kwa kutuluka kwamkati pamalo apamwamba ndi otsika pakati pa shaft ya valavu ndi mpando wa valavu.
Vavu ya gulugufe, yomwe imatchedwanso valavu yotseguka, ndi kapangidwe kosavuta ka valavu yosinthira, yomwe ingagwiritsidwe ntchito m'mapaipi otsika mphamvu kuti izimitse kuyenda kwa madzi. Imazungulira mozungulira shaft ya valavu kuti itsegule ndikutseka valavu.
Malinga ndi mitundu yosiyanasiyana yolumikizira, imatha kugawidwa m'magawo awiri: valavu ya gulugufe wa wafer, valavu ya gulugufe wa lug, valavu ya gulugufe wa flange, valavu ya gulugufe wovekedwa, valavu ya gulugufe wa screw, valavu ya gulugufe wa clamp, ndi zina zotero. Pakati pa mitundu yolumikizira yomwe imagwiritsidwa ntchito kwambiri ndi valavu ya gulugufe wa wafer ndi valavu ya gulugufe wa lug.
Valavu ya gulugufe yoyendetsedwa ndi mpweya imapangidwa ndi choyatsira mpweya ndi valavu ya gulugufe. Valavu ya gulugufe yoyendetsedwa ndi mpweya imagwiritsa ntchito mpweya wopanikizika ngati gwero lamphamvu loyendetsa tsinde la valavu ndikuwongolera kuzungulira kwa diski kuzungulira shaft kuti itsegule ndi kutseka valavu.
Malinga ndi chipangizo cha pneumatic, valavu ya gulugufe ya pneumatic yogwira ntchito imodzi ndi valavu ya gulugufe ya pneumatic yogwira ntchito kawiri.
Zhongfa Valve ndi kampani yopanga zida za ma valve a gulugufe ndi ma valve a gulugufe, yomwe idakhazikitsidwa mu 2006, ikupereka zida za ma valve ndi ma valve a gulugufe kumayiko oposa 20 padziko lonse lapansi, kenako, Zhongfa Valve idzayambitsa njira yodziwitsira mwatsatanetsatane zida za ma valve a gulugufe.
Ma valve a gulugufe ndi banja la ma valve ozungulira ozungulira omwe amagwiritsidwa ntchito m'mapaipi, nthawi zambiri amagawidwa m'magulu malinga ndi kapangidwe ndi kulumikizana. ZFA ndi imodzi mwa opanga ma valve otchuka a gulugufe a wafer, opanga ma valve a gulugufe a flange, ndi opanga ma valve a gulugufe a lug ku China.
Mitundu ndi Kulumikizana, ndi mitundu inayi.
Valavu ya ZFAma valve amagetsi a gulugufeMa valve a gulugufe apakati ndi ma valve a gulugufe akunja, omwe ma valve a gulugufe apakati amagawidwanso kukhala ma valve a gulugufe a wafer, ma valve a gulugufe a lug ndi ma valve a gulugufe a flange.
Ma valve amagetsi a gulugufe amapangidwa kuchokera ku ma valve a gulugufe ndi zida zamagetsi. Amagwiritsidwa ntchito kwambiri mu mafuta, mankhwala, magetsi, zitsulo, chakudya, mankhwala, nsalu, mapepala ndi mafakitale ena. Sing'anga nthawi zambiri amakhala gasi wachilengedwe, mpweya, nthunzi, madzi, madzi a m'nyanja ndi mafuta. Ma valve a gulugufe oyendetsedwa ndi injini amagwiritsidwa ntchito powongolera kuyenda kwa madzi ndikudula sing'anga pa mapaipi amafakitale.
Tikhoza kupereka mitundu yotsatirayi ya ma valve a gulugufe a API609:
Malinga ndi mgwirizano, tili ndivalavu ya gulugufe yokhala ndi flange ziwiri,valavu ya gulugufe ya waferndivalavu ya gulugufe;
Malinga ndi zinthuzo, titha kupereka zinthu zachitsulo zozungulira, zinthu zachitsulo cha kaboni, zinthu zachitsulo chosapanga dzimbiri, zinthu zamkuwa, zinthu zachitsulo chapamwamba kwambiri;
Malinga ndi ndondomekoyi, titha kupereka valavu ya gulugufe ya API609 yokhala ndi thupi loponyera ndi thupi lowotcherera.
Valavu Yophimba ya PTFE yomwe imadziwikanso kuti mavavu oteteza dzimbiri okhala ndi fluorine pulasitiki, ndi pulasitiki ya fluorine yomwe imapangidwa mkati mwa khoma lamkati la zitsulo kapena zitsulo zonyamula valavu kapena pamwamba pa valavu yamkati. Mapulasitiki a fluorine pano makamaka ndi awa: PTFE, PFA, FEP ndi ena. Gulugufe wokhala ndi FEP, valavu ya gulugufe yokhala ndi teflon ndi valavu ya gulugufe wokhala ndi FEP nthawi zambiri amagwiritsidwa ntchito popanga zinthu zowononga kwambiri.
Ma valve athu a gulugufe a wafer akutsatira miyezo yapadziko lonse ya ASTM, ANSI, ISO, BS, DIN, GOST, JIS, KS ndi zina zotero. Kukula DN40-DN1200, kuthamanga kwapadera: 0.1Mpa~2.5Mpa, kutentha koyenera: -30℃ mpaka 200℃.
Timatumiza zinthu zathu kumayiko 22 monga US, Russia, Canada, Spain ndi zina zotero.
n malinga ndi zinthu, chitsulo chosapanga dzimbirimavavu a gulugufeZikupezeka mu SS304, SS316, SS304L, SS316L, SS2205, SS2507, SS410, SS431, SS416, SS201. Ponena za kapangidwe kake, ma valve a gulugufe achitsulo chosapanga dzimbiri amapezeka m'mizere yozungulira komanso yosiyana. Ma valve a gulugufe achitsulo chosapanga dzimbiri nthawi zambiri amapangidwa ndi chitsulo chosapanga dzimbiri cha thupi la valve, mbale ya valve, ndi shaft, ndi EPDM kapena NBR ya mpando wa valve, Amapangidwa makamaka kuti azilamulira kayendedwe ka madzi ndikuwongolera zinthu zowononga, makamaka ma acid amphamvu osiyanasiyana, monga sulfuric acid ndi aqua regia.