Allura gyare-gyaren tsari na PVC abu
Abun PVC ba shi da tsada, inherently anti-inflammatory, hard and strong, good chemical resistance, shrinkage rate of 0.2-0.6%, ana ƙara amfani da samfuran a cikin kayan lantarki, injiniyoyi, gine-gine, abubuwan yau da kullun, kayan wasa, marufi, don halayen halayen. PVC abu, bincike na samfurin allura gyare-gyaren tsari ne kamar haka:
一, Properties na PVC kayan
PVC thermal kwanciyar hankali ne matalauta, gyare-gyaren zafin jiki da bazuwar zafin jiki yana kusa da, matalauta motsi, bayyanar da sauki don samar da mummunan lahani, PVC abu zafi juriya ba shi da kyau, mafi saukin ƙonewa, acidic gas da lalata na mold, aiki. na iya ƙara filastik don ƙara yawan ruwa, - gabaɗaya dole ne ya ƙara abubuwan da za a yi amfani da su, ƙarfinsa, rufin lantarki, juriya mai kyau na sinadarai.
二, Mold da ƙirar kofa
Don rage sake zagayowar allura, mafi guntu tashar tashar allura mafi kyau, sashin giciye yakamata ya zama siffar lambu, ƙaramin diamita na tashar allurar shine 6 mm, cikin mazugi na lambun, kusurwar ciki na digiri 5, zai fi dacewa. tare da rijiyoyin sanyi, rijiyoyin sanyi na iya hana ƙarancin narkewar kayan da ba su da ƙarfi a cikin rami, kuma waɗannan kayan za su shafi ƙarshen farfajiya da ƙarfin samfur.
Ya kamata gangar jikin mutun ya kasance tsakanin 0.50 zuwa 10 don tabbatar da cewa kogon yana da isassun kayan hurawa.Girman rami na gama gari shine zurfin 0.03-0.05mm da faɗin 6mm, ko sharewar 0.03-0.05mm a kusa da kowane fil ɗin fitarwa.Mutuwar ya kamata a yi ta da bakin karfe ko taurin chrome plated.
三, PVC gyare-gyaren tsari
PVC filastik ne mai zafin zafi.Yawan zafi ko tsagewar da ya wuce kima zai haifar da rubewa da yaduwa cikin sauri, domin daya daga cikin abubuwan da ke rubewa (kamar acid ko HCI) zai yi tasiri mai karfi, wanda zai haifar da kara rubewar tsarin, kuma acid din zai lalata karfen ya canza shi.Idan an toshe shi, Layer na kariya na karfe zai bare, yana haifar da tsatsa, wanda ya fi cutar da jikin mutum.Matsakaicin tsayin diamita na yau da kullun shine 18 ~ 24: 1, rabon matakai uku shine 3: 5: 2, kuma rabon matsawa shine 1.8 ~ 2.Ana ba da shawarar zurfin rami mai dunƙule a cikin sashin ciyarwa kamar haka:
Gudun allura ya kamata ya kasance a hankali, in ba haka ba wuce gona da iri zai lalata kayan.Lokacin amfani da UPVC don samar da samfuran bango mai kauri mai santsi, yakamata a yi amfani da saurin allura da yawa.Idan ratsin launin ruwan kasa mai haske ya haskaka daga ƙofar, yana nufin cewa saurin allurar ya yi yawa.mai sauri.
Tip na dunƙule ya kamata ya kasance da kusurwa na ciki na 25 ~ 30 digiri.Lokacin da dunƙule yana cikin wuri, nisa tsakanin tip da bututun ƙarfe ya kamata ya zama 0.7 ~ 1.8mm.Dole ne a yi dunƙule da bakin karfe ko chrome-plated.
1)Dunƙule gasket: The dunƙule gasket ne tsakanin 2 ~ 3mm, kuma babban-sikelin damar ya fi girma.
2)Girman allura: ainihin lokacin zama bai kamata ya wuce mintuna 3 ba.
3) Saitin zafin ganga:
Yanayin zafi da aka bayar don tunani ne kawai, kuma ana yin gyare-gyare masu dacewa bisa ga ainihin yanayin injin da albarkatun ƙasa, wanda kuma zai iya wuce iyakar da aka ba da shawarar.
Zazzabi na sashin ciyarwa na tsakiya a sashin gaba na bututun ƙarfe (0C) 30-60 170-190 160-180 150-170
Girman allurar da aka yi amfani da shi don 140-160 shine 20 ~ 85% na girman allurar na'urar.Karamin ƙarar allurar da aka yi amfani da ita, mafi tsayi lokacin riƙe kayan kuma mafi girman haɗarin lalacewa bayan dumama.cin.com
4) Lokacin zama na ganga:
Ƙarƙashin kula da zafin jiki na 2000C (kayan roba), matsakaicin lokacin zama na ganga zai iya wuce minti 5, lokacin da zafin jiki ya kasance 2100C.
5) Gudun allura:
Gudun allura ya kamata ya zama jinkirin, in ba haka ba, kayan zai ragu saboda raguwa mai yawa.Ya kamata a yi amfani da saurin allura da yawa yayin amfani da UPVC don samar da samfuran bango masu santsi sosai.Idan akwai ratsan launin ruwan kasa masu haske suna haskakawa daga ƙofar, yana nufin cewa saurin allurar ya yi yawa.mai sauri.
Duba PVC Ball Valves
Lokacin aikawa: Juni-01-2022