Valavu ya mpira wanjira zitatu ndi mtundu wa valavu ya mpira yokhala ndi ma doko atatu othamanga, olumikizidwa ku payipi kudzera pa ma flanges, ndikudalira kuzungulira kwa mpira kuti asinthe kapena kuphatikiza kutuluka kwa media. Shenchi ndi valavu ya mpira wa flange yopangidwa ndi China yopangidwa ndi njira zitatu, yoperekedwa mwachindunji kuchokera kufakitale. Mtundu wa L/T umalola kusintha kwaulele, magwiridwe antchito amitundu yambiri, kutayikira kwa zero, ndi kulumikizana kotetezeka kwa flange, kupereka yankho lodalirika la kupatukana kwa mapaipi ndi kupatukana kwamayendedwe.
Mfundo yogwiritsira ntchito fakitale ya Shenchi yolimbana ndi dzimbiri yolimbana ndi valavu ya mpira wa flange yanjira zitatu imachokera ku njira za L kapena T zodulidwa mu mpira. Mpira umayikidwa pakati pa thupi la valve ndikuzunguliridwa ndi chogwirira. Mpirawo ukazungulira, njirazo zimagwirizana kapena kuthamangitsidwa kuchokera kumadoko osiyanasiyana a valve, kuzindikira kusintha, kuphatikiza, kapena kugawanika kwa njira yolowera pakati.
Mpira wooneka ngati L:
Kuzungulira 90 ° kumapangitsa kuti sing'angayo isinthe kuchoka ku cholowera kupita kumalo aliwonse, oyenera kubweza zochitika ndi cholowera chimodzi ndi zolowera ziwiri kapena zolowera ziwiri ndi chotulutsa chimodzi, monga kupereka mosinthana madzi ku ma reactor awiri.
Ntchito: Madzi, mpweya, gasi, mafuta, zakumwa, etc.
Chiyambi: China
Zitsanzo: Zitsanzo zilipo
Ubwino wa Flange Connection:
Ma valve a mpira a Shenchi 3-way flanged amagwiritsa ntchito malumikizidwe a flange. Poyerekeza ndi malumikizidwe a ulusi, malumikizidwe a flange amapereka kukana kwamphamvu kwambiri; mlingo wa PN16 ukhoza kupirira mwamphamvu 1.6MPa. Disassembly ndiyosavuta, imathandizira kuyang'anira ndi kukonza mapaipi pafupipafupi. Kusindikiza kodalirika kumatsimikizika; flange gasket ndi mabawuti amagwirira ntchito limodzi kuti athetse chiwopsezo cha kutayikira. Oyenera mapaipi akuluakulu awiri; kwa ma diameter pamwamba pa DN50, pomwe kulumikizana kwa ulusi kumakhala kovuta, ma flanges ndiye chisankho chokhazikika. Shenchi, wopanga ma valve a mpira waku China wa 3-way flanged, amapereka ma flanges ogwirizana ndi miyezo ya ANSI, BS, DIN, ndi JIS, kukwaniritsa zosowa za makasitomala apadziko lonse lapansi.
Kuyika Mfundo Yofunikira 1: Kuyanjanitsa kwa Flange
Kuyanjanitsa kwa Flange Mukakhazikitsa valavu ya mpira wa Shenchi yanjira zitatu, nkhope za flange ziyenera kulumikizidwa. Ma flanges awiriwa ayenera kukhala ofanana ndi okhazikika, ndipo kupatukako sikudutsa malire ovomerezeka a flange gasket. Kukakamiza kulondolera bawuti kumayambitsa kusintha kwa ma valve, kukhudza kuzungulira kwa mpira ndi kusindikiza. Pambuyo poyanjanitsa, gasket iyenera kuyikidwa pakati ndipo sayenera kuchotsedwa. Valavu ya mpira wa flange yotsika mtengo wanjira zitatu sizifanana ndi khalidwe lochepa; Zogulitsa za Shenchi zimapereka mwatsatanetsatane komanso kuyika kosavuta. Mavavu a mipira ya flange yanjira zitatu osamva dzimbiri amakhala ndi ma flange pamwamba omwe amakwaniritsa miyezo, kuwonetsetsa kusindikizidwa kodalirika.
Kuyika Mfundo Yachiwiri: Kulimbitsa Bolt
Mabawuti a flange amayenera kumangidwa mwapang'onopang'ono. Ikani makokedwe pang'onopang'ono mu magawo 2-3, kutsatira ndondomeko ya diagonal ya 180 °. Osalimbitsa mbali imodzi nthawi imodzi, apo ayi, kukanikiza kosagwirizana pa gasket kungapangitse njira zotayikira. Torque ya bolt iyenera kukwaniritsa zofunikira; Kuwotcha kwambiri kumawononga flange kapena mabawuti, pomwe kuthina pang'ono kumabweretsa kusasindikiza kokwanira. Fakitale ya Shenchi 3-way flange mpira valve imapereka tebulo lovomerezeka la torque kuti oyika atchule. Malo oyika awa ndi ofunikira pakuwonetsetsa kuti ma valve akugwira ntchito kwa nthawi yayitali; chonde tsatirani ndondomekoyi.
Kuyika Mfundo 3: Thandizo la Mapaipi ndi Kuyeretsa
Musanakhazikitse, mkati mwa payipi iyenera kutsukidwa kuti muchotse zowotcherera, zosefera zachitsulo, mchenga ndi zonyansa zina. Zinthu zakunja zomwe zimalowa m'chipinda cha valve zimatha kukanda mpirawo kapena kusindikiza, zomwe zimapangitsa kutayikira. Paipi iyenera kuthandizidwa paokha; valavu siyenera kunyamula kulemera kwa payipi. Mavavu a mpira wamtundu waukulu wa tee flange ndi wolemera; kutsika kwa payipi kumatha kukokera mbali yapakati, kuwononga chisindikizo. Ma valve olimbana ndi dzimbiri amapangidwa ndi zida za WCB, SUS304, kapena SUS316L, zokhala ndi valavu yamkuwa kapena chitsulo chosapanga dzimbiri. Mukamaliza malo oyikapo, chogwiriracho chiyenera kuzungulira momasuka popanda kupanikizana; valavuyo ndi yokonzeka kugwiritsidwa ntchito.
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