Ndikofunikira kukumbukira mfundo izi poika ma valve.

Ndikofunikira kukumbukira mfundo izi poika ma valve. Pamene thupi la valve likuponyedwa, pamwamba pake iyenera kukhala yosalala komanso yosalala, popanda ming'alu, ma keyholes, tracholes, pores, burrs ndi zolakwika zina; Mukamapanga kunja kwa thupi la valve, pamwamba payenera kukhala opanda ming'alu, interlayers, khungu lolemera, mawanga ndi zolakwika zina. Chikalata cha satifiketi yaubwino chiyenera kuyang'aniridwa valavu isanakhazikitsidwe. Dzina la wopanga liyenera kukhala pa valavu, ndipo dzina la wopanga, chitsanzo cha vavu, kuthamanga mwadzina, m'mimba mwake ndi zilembo zina ziyenera kukhala pa chizindikiro cha dzina ndi valavu, ndipo ziyenera kutsata zomwe zili mu "General Valve Logo" GB12220. Valavu iyenera kuyang'aniridwa bwino musanayike pamene thupi la valve likuponyedwa, pamwamba pake liyenera kukhala losalala komanso losalala, lopanda ming'alu, ma keyholes, tracholes, pores, burrs ndi zolakwika zina; Mukamapanga kunja kwa thupi la valve, pamwamba payenera kukhala opanda ming'alu, interlayers, khungu lolemera, mawanga ndi zolakwika zina. I. Kuwunika kwa Document Chikalata cha satifiketi yaubwino chiyenera kuyang'aniridwa valavu isanayikidwe. Dzina la wopanga liyenera kukhala pa valavu, ndipo dzina la wopanga, chitsanzo cha vavu, kuthamanga mwadzina, m'mimba mwake ndi zilembo zina ziyenera kukhala pa chizindikiro cha dzina ndi valavu, ndipo ziyenera kutsata zomwe zili mu "General Valve Logo" GB12220. Chachiwiri, kuyang'ana maonekedwe Valavu iyenera kuyang'aniridwa mosamala musanayike 1. Malo otsegula ndi otseka a valve panthawi yoyendetsa ayenera kukwaniritsa zofunikira izi · Ma valve, globe valves, throttle valves, ma valve oyendetsa, ma valve a butterfly, ma valve pansi ndi ma valve ena ayenera kukhala pamalo otsekedwa kwathunthu Pulagi valavu, mbali zotsekera valavu za mpira ziyenera kukhala zotseguka zonse · Vavu ya diaphragm iyenera kukhala pamalo otsekedwa ndipo osatsekedwa mwamphamvu kuti zisawonongeke ku diaphragm. kutsekedwa ndi kutetezedwa 2, valavu sichidzawonongeka, ziwalo zosowa, zowonongeka, nameplate off ndi zochitika zina, ndipo thupi la valve silidzakhala lodetsedwa 3. Mapeto onse a valve ayenera kutetezedwa. Kugwira ntchito kapena gudumu lamanja liyenera kukhala losinthasintha komanso lopepuka, palibe chokhazikika 4. Pamene thupi la valve likuponyera, pamwamba pake liyenera kukhala losalala komanso losalala, popanda ming'alu, ma keyholes, tracholes, pores, burrs ndi zolakwika zina; Mukamapanga kunja kwa thupi la valve, pamwamba payenera kukhala opanda ming'alu, interlayers, khungu lolemera, mawanga ndi zolakwika zina. 5, check valve disc kapena spool action ndi yosinthika komanso yolondola, palibe eccentricity, displacement kapena skew phenomenon 6, valavu yachitetezo chamtundu wa masika iyenera kukhala ndi chisindikizo chotsogolera, valavu yachitetezo chamtundu wa lever iyenera kukhala ndi nyundo yolemera 7. Pakatikati pa mkati thupi lokhala ndi mphira, enamel ndi pulasitiki ayenera kukhala yosalala ndi yosalala, wosanjikiza akalowa ndi mwamphamvu pamodzi ndi masanjidwewo, ndipo palibe mng'alu, kuwira ndi zolakwika zina. Pamwamba pa nsalu yotchinga iyenera kuyang'aniridwa ndi jenereta yamagetsi yamagetsi othamanga kwambiri, ndipo palibe kuwonongeka kwa chingwe (choyera chowoneka bwino) chomwe chili choyenera 8, kusindikiza kwa valve flange kumayenera kukwaniritsa zofunikira, ndipo palibe zokopa za radial. mfundo izi mu malingaliro za kukhazikitsa ma valve! (a) njira yopangira ma valve ndi malo a ma valve ambiri omwe ali ndi njira, monga valavu ya globe, valve throttle valve, valve kuchepetsa kuthamanga, valve valve, etc. valavu yotsekemera), kapena sagwira ntchito (monga valavu yochepetsera kupanikizika), komanso kuchititsa ngozi (monga valavu). Vavu wamba, pali chizindikiro chowongolera pathupi la valve; Ngati sichoncho, chiyenera kudziwika bwino molingana ndi mfundo ya ntchito ya valve. Chipinda cha valve kuzungulira valavu yapadziko lonse lapansi ndi asymmetrical, madzimadzi kuti alole kuchokera pansi mpaka pamwamba kudzera pa doko la valve, kotero kuti kukana kwamadzimadzi kumakhala kochepa (kutsimikiziridwa ndi mawonekedwe), kupulumutsa ntchito yotseguka (chifukwa cha kupanikizika kwapakati) , kutsekedwa pambuyo pa kulongedza kwapakatikati, kosavuta kukonzanso, chifukwa chake valavu ya globe singathe kukhazikitsa chowonadi. Ma valve ena ali ndi makhalidwe awoawo. Lowetsani ndi zapakhomo chonde dinani malo oyika ma valve, ayenera kukhala osavuta kugwira ntchito: ngakhale kuyikako kuli kovuta kwakanthawi, komanso ntchito yayitali ya wogwiritsa ntchito. Mavavu a handwheel ndi mayanidwe a chifuwa (nthawi zambiri mamita 1.2 kuchokera pansi opangira), kotero kuti kutsegula ndi kutseka kwa valve kumakhala kovuta. Wwalo lamanja la valve pansi liyenera kuyang'ana mmwamba osati kupendekeka kuti zisagwire ntchito movutikira. Vavu ya makina apakhoma imadalira zida, ndipo wogwiritsa ntchitoyo ayeneranso kusiyidwa poyimirira. Kupewa ntchito ya thambo, makamaka asidi ndi zamchere, poizoni TV, apo ayi si otetezeka. Chipata sayenera inverted (ndiko, handwheel ndi pansi), apo ayi sing'anga adzakhala anakhalabe mu chivundikiro danga kwa nthawi yaitali, zosavuta dzimbiri tsinde, ndi zina ndondomeko zofunika taboo. Ndizovuta kwambiri kusintha kulongedza nthawi yomweyo. Tsegulani STEM GATE VALVES, OSATIKIKA mobisa, apo ayi chifukwa cha dzimbiri lachinyezi la tsinde lowonekera. Kwezani valavu cheke, unsembe kuonetsetsa kuti valavu chimbale ofukula, kuti Nyamulani kusintha. Swing cheke valavu, pamene anaika kuonetsetsa kuti pini mlingo, kuti kugwedezeka kusinthasintha. Valavu yochepetsera kuthamanga iyenera kuyikidwa molunjika pa chitoliro chopingasa, ndipo sichimapendekera mbali iliyonse. (2) Ntchito yomanga valavu yomanga yomanga iyenera kukhala yosamala, musamenye zinthu zowonongeka zopangidwa ndi valavu. Asanakhazikitsidwe, VALVE IYENERA KUYENEKEDWA KUTI muwone mafotokozedwe NDI mitundu kuti muwone kuwonongeka kulikonse, makamaka pa tsinde. Komanso tembenuzani kangapo kuti muwone ngati ikugwedezeka, chifukwa panthawi yoyendetsa, tsinde la valve ndilosavuta kugunda mokhotakhota. Komanso *** zinyalala mu valavu. POKWULA VALVI, CHINONGA CHISAKWERENGE KUMWANJA KAPENA KUTI MTIMA KUTI PEWE KUZIPWIRITSA NTCHITO ZIMENEZI. Iyenera kumangirizidwa ku flange. Mzere womwe valavu imalumikizidwa iyenera kutsukidwa. Mpweya wothinikizidwa ungagwiritsidwe ntchito kuwomba ma filings a iron oxide, mchenga, kuwotcherera slag ndi ma sundries ena. Zinyalala izi, osati zosavuta kukanda kusindikiza pamwamba pa valavu, particles lalikulu la zinyalala (monga kuwotcherera slag), komanso akhoza kuletsa valavu yaing'ono, kuti kulephera kwake. Mukamayika VALVE YA SCREW, KUSINTHA KUSINTHA (WAWA NDI mafuta a aluminiyamu KAPENA PTFE RAW material lamba) ayenera kukulungidwa pa ulusi wa chitoliro, osalowa mu valavu, kuti mupewe voliyumu ya kukumbukira valavu, zimakhudza kuyenda kwapakati. Mukayika ma valve a flange, tcherani khutu kulimbitsa ma bolts molingana komanso molingana. Chovala cha valve ndi chitoliro cha chitoliro chiyenera kukhala chofanana, chilolezocho ndi choyenera, kuti valavu ipange kupanikizika kwakukulu, ngakhale kusweka. Kwa zida zowonongeka komanso osati mphamvu zambiri za valve, chisamaliro chapadera chiyenera kulipidwa. Vavu kuti welded ndi chitoliro adzakhala malo welded poyamba, ndiye chatsekedwa gawo adzatsegulidwa kwathunthu, ndiyeno welded akufa. (3) Njira zotetezera ma valve ma valve ena ayeneranso kukhala ndi chitetezo chakunja, chomwe ndi kuteteza kutentha ndi kuzizira. Choyikapo chotchinga nthawi zina chimasakanizidwa ndi mizere yotentha ya nthunzi. Ndi valavu yamtundu wanji yomwe iyenera kukhala kutentha kapena kuzizira, malinga ndi zofunikira zopanga. Mfundo, kumene sing'anga valavu kuchepetsa kutentha kwambiri, zidzakhudza kupanga dzuwa kapena valavu mazira, muyenera kutentha, ngakhale kusakaniza kutentha; Kumene valavu ilibe, yotsutsa kupanga kapena kuyambitsa chisanu ndi zochitika zina zovuta, muyenera kukhala ozizira. Zida zotetezera ndi asibesitosi, ubweya wa slag, ubweya wagalasi, perlite, diatomite, vermiculite, etc.; Zida zoziziritsa kukhosi, perlite, thovu, pulasitiki ndi zina zotero. (4) Kulambalala ndi chida ma valve ena, kuwonjezera pa zofunikira zotetezera, komanso zimakhala ndi bypass ndi chida. Njira yodutsa imayikidwa. Zosavuta kukonza msampha. Mavavu ena, nawonso anaika bypass. Kuyika kwa bypass kumadalira momwe ma valve alili, kufunikira kwake, ndi zofunikira pakupanga. (zisanu) kulongedza m'malo valavu katundu, kulongedza ena sikunakhale bwino, ndipo ena sagwirizana ndi ntchito sing'anga, amene ayenera m'malo kulongedza katundu. Vavu fakitale sangathe kuganizira ntchito masauzande a mitundu yosiyanasiyana ya TV, kulongedza bokosi nthawi zonse wodzazidwa ndi mizu wamba, koma pamene ntchito, ayenera kulola kulongedza katundu mu sing'anga kuti azolowere. Mukasintha kulongedza, kanikizani mozungulira mozungulira. Msoko uliwonse wa mphete mpaka madigiri 45 ndi woyenera, mphete ndi mphete yotsegula madigiri 180. Kutalika kwapang'onopang'ono kuyenera kuganizira njira yoti chithokomiro chipitirire kukanikiza, ndipo tsopano ndikofunikira kuti gawo lakumunsi la gland likanikizire chipinda chonyamulira ndikuya koyenera, komwe nthawi zambiri kumatha kukhala 10-20% ya kuya kwathunthu. chipinda chonyamulira. Kwa mavavu ofunikira, Angle yolumikizana ndi madigiri 30. Msoko pakati pa mphete ndi mphete umagwedezeka madigiri 120. Kuwonjezera pa kulongedza katundu, komanso malinga ndi mmene zinthu zilili, ntchito mphira O-mphete (achilengedwe mphira kugonjetsedwa ndi 60 digiri Celsius ofooka alkali, butadiene mphira kugonjetsedwa ndi 80 digiri Celsius mafuta kristalo, Fluorine mphira kugonjetsedwa ndi zosiyanasiyana dzimbiri. TV pansi pa 150 digiri Celsius) mphete zitatu zosanjikizana za polytetrafluoron (zosamva zowononga zowononga zosakwana madigiri 200 Celsius) mphete ya nayiloni (yosamva 120 digiri Celsius ammonia, alkali) ndi zodzaza zina. Wosanjikiza wa TEflon yaiwisi yaiwisi tepi amatha kusintha kusindikiza ndikuchepetsa kuwonongeka kwa electrochemical kwa tsinde la valve. Mukakanikiza zokometsera, tembenuzirani tsinde nthawi yomweyo kuti likhale lozungulira mozungulira, ndikupewa kufa kwambiri, kumangitsa chithokomiro kuti chikakamize mofanana, osapendekeka.