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Gilashin rufewa ɗaya ne daga cikin mahimman kayan haɗin ƙofa da taga. Ana amfani da su musamman a cikin sashes, gilashin firam da sauran sassa. Suna taka rawar rufewa, hana ruwa, murƙushe sauti, ɗaukar girgiza, da adana zafi. Ana buƙatar su sami ƙarfin ƙarfi mai kyau, haɓaka, juriya na zafin jiki da juriya na tsufa.

Ana haɗa nau'ikan sutura da bayanan martaba don cimma nasarar aikin da ake buƙata, wanda babban abu ya shafa, hanyar shigarwa, kewayon aiki na matsawa, ƙarfin matsawa da siffar giciye na tube.
Za'a iya raba raƙuman hatimi zuwa nau'ikan kayan abu guda ɗaya da kayan haɗin gwal bisa ga kayan.

Filayen kayan abu guda ɗaya sun haɗa da tube ɗin rufewa na EPDM, roba na siliki (MVQ), igiyoyin rufewa, thermoplastic vulcanized tube (TPV), da filastik polyvinyl chloride tube (PVC). Abubuwan da aka haɗa galibi sun haɗa da ɗigon waya, filayen feshin ƙasa, tarkace mai laushi da wuya, ɗigon soso mai haɗaɗɗiya, ɗigon ruwa da za a iya faɗaɗawa, da tarkace mai rufi.

Sharuɗɗan da aka zartar na nau'ikan nau'ikan nau'ikan riguna ana nuna su a cikin tebur da ke ƙasa.

EPDM sealing tube suna da ingantattun kaddarorin jiki na asali (ƙarfin ƙarfi, haɓakawa a lokacin hutu, da nakasar dindindin na matsawa), juriyar yanayi mai ban sha'awa, juriya mai girma da ƙarancin zafin jiki, juriya na lalata, da ingantaccen aiki mai ƙarfi. A halin yanzu ana amfani da su sosai a fagen kofofi da tagogi.
Da shawarar zartar da zazzabi kewayon na kowa sealing tube: EPDM abu ne -60 ℃～150 ℃, MVQ abu ne -60 ℃～300 ℃, TPV abu ne -40 ℃～150 ℃, da PVC abu ne -25℃～70 ℃ .
Za'a iya raba tubes ɗin rufewa zuwa nau'in latsawa, nau'in shigar ciki, da nau'in mannewa gwargwadon hanyar shigarwa. Za a iya raba su zuwa firam-sash na kulle-kulle, firam-glass sealing tube, da tsaka-tsaki na kulle-kulle gwargwadon wurin shigar kofofi da tagogi.
Ƙofar gada da tagar da aka karye ana nuna shi a cikin hoton da ke ƙasa.

Ya kamata a zaɓi siffar ɓangaren giciye na firam-sash ɗin shingen hatimi a matsayin mai ruɗewa ko kuma an rufe shi gwargwadon buƙatun. Lokacin da ƙirar da ake buƙata tana da babban kewayon aiki ko babban buƙatun aikin hatimi, ya kamata a zaɓi tsarin da ke kusa da shi.

Hanyar shigarwa na shingen hatimi tsakanin firam da sash ya kamata ya zama shigarwa mai dacewa. Girman ƙira na ɓangaren shigarwa na tsiri ya kamata ya tabbatar da cewa bai faɗi ba kuma ya dace sosai tare da tsagi na bayanin martaba.
Rigun hatimi tsakanin firam da sarƙoƙi kuma ana kiransa babban tsiri mai rufewa ko tsiri na isobaric. Yana taka rawa na toshe iska convection da zafi radiation a cikin profile. Dole ne ya dace da buƙatun rufewa da buƙatun buɗaɗɗen ƙarfi da rufewa na kofofi da tagogi.
Bukatun girman girman shigarwa na tsiri mai rufewa tsakanin firam da gilashin an tsara su a cikin JGJ 113-2015 "Lambar Fasaha don Aikace-aikacen Gilashin Gine-gine", duba teburin da ke ƙasa.

Daga cikin su, ana nuna girman a, b, da c a cikin hoton da ke ƙasa.

Siffofin gama-gari na gama-gari na tsiri mai hatimi tsakanin firam da gilashi ana nuna su a cikin hoton da ke ƙasa, kuma ana ɗaukar hanyar shigar da latsa sau da yawa.

Da yake magana game da tsiri mai rufewa tsakanin firam da gilashin, akwai wata tambaya da ya kamata a tattauna, wato, shin ya fi kyau a yi amfani da ɗigon hatimi ko manne tsakanin firam da gilashin?
A halin yanzu, yawancin kamfanonin tsarin kofa da taga a gida da waje suna amfani da tube a matsayin zaɓi na farko don rufe gilashin firam. Wannan saboda tsiri na roba samfurin masana'antu ne, ingancin shigarwa yana da sauƙin sarrafawa, kuma yana da sauƙin maye gurbin.
Game da aiki na yin amfani da sealant, ko da yake JGJ 113-2015 "Technical Code for Application of Gilashin Gilashin" yana ba da ka'idoji don ƙaddamar da gaba da baya, wanda yayi daidai da amincewa da wannan hanya, har yanzu ba a ba da shawarar yin haka a kan shafin don masu zuwa ba. dalilai:
Ingancin amfani da sealant a kan wurin ba shi da iko, musamman ma zurfin shafa mai.
T/CECS 581-2019 "Lambar Fasaha don Aikace-aikacen Gina Haɗin Gine-gine" yana ba da asali nau'i da tsarin haɗin haɗin gwiwa, duba teburin da ke ƙasa.

Ana iya ganin cewa ana buƙatar ɗaukar matakan da suka dace don sarrafa ingancin gine-gine don rufe haɗin gwiwa da haɗin gwiwa.
Misali, hatimin hatimin waje na bangon labulen firam ɗin ɓoye na gama gari shine haɗin haɗin gwiwa, kuma ingancin ginin yana sarrafa sandar kumfa. Gilashin da firam ɗin da aka makala suna haɗe da lambobi masu gefe biyu don sarrafa faɗi da kauri na mannen tsarin, kamar yadda aka nuna a cikin hoton da ke ƙasa.

Bayanan martaba na sassan shigarwa na tagogin alloy na aluminum da gilashin gilashin filastik duk bayanan martaba ne na bakin ciki - gilashin gilashi, hannun bayanin martaba na waje, da dai sauransu, kuma ba su da yanayin sarrafa fadi da kauri na sealant.
Bugu da kari, yin amfani da simintin waje bayan sanya gilashin yana da haɗari sosai. Yawancin kayan aikin kofa da taga ana kammala su a cikin gida, yayin da abin rufe fuska yana buƙatar shafa a waje. Yana da haɗari idan babu wani dandali na aiki a waje kamar su zakka, kwandunan rataye, da manyan motocin haya, musamman lokacin da gilashin ya yi girma.
Wata matsalar gama gari ita ce yawancin ƙofar Turai da kuɗaɗɗen tsarin taga ba su da firam ɗin gefe na waje da ɗigon sarƙaƙƙiya, kamar yadda aka nuna a cikin adadi na ƙasa.

Wannan zane ba don yanke sasanninta bane amma don la'akari da magudanar ruwa.
Ƙofofi da tagogi za su sami ramukan magudanar ruwa akan kayan firam ɗin da ke kwance ko kayan stile na tsakiya a kasan kowane bangare (ciki har da ɓangarorin da aka gyara da kuma buɗaɗɗen ɓangarori) ta yadda ruwan da ke shiga ƙofofi da tagogi za a iya zubar da su zuwa waje.

Idan an shigar da firam ɗin gefen waje da fan sealing tsiri, zai samar da sarari rufaffiyar tare da tsiri na tsakiya, wanda ba shi da amfani ga magudanar ruwa na isobaric.
Da yake magana game da magudanar ruwa na isobaric, zaku iya yin ɗan ƙaramin gwaji: cika kwalban ruwan ma'adinai da ruwa, sanya wasu ƙananan ramuka a cikin hular kwalbar, sannan ku juye kwalban, yana da wahala ruwa ya fita daga waɗannan ƙananan ramuka, sannan Muna kuma yin wasu ƙananan ramuka a ƙasan kwalbar, kuma ruwan yana iya fitowa cikin sauƙi ta cikin ƙananan ramukan da ke cikin hular kwalban.
Wannan kuma shine ainihin ka'idar isobaric magudanar ruwa na kofofi da tagogi.
To, bari mu yi taƙaitaccen bayani
Seling tube yana daya daga cikin mahimman kayan haɗin ƙofa da taga, galibi ana amfani da su a cikin magoya bayan firam, gilashin firam da sauran sassa, suna taka rawar rufewa, hana ruwa, murƙushe sauti, ɗaukar girgiza, adana zafi, da sauransu, kuma ana buƙatar samun su. Kyakkyawan ƙarfin ƙarfi, elasticity, juriya na zafin jiki da juriya na tsufa.
Za'a iya raba raƙuman hatimi zuwa nau'ikan kayan abu guda ɗaya da kayan haɗin gwal bisa ga kayan. A halin yanzu, filayen da aka saba amfani da su a fagen kofofi da tagogi sun haɗa da EPDM sealing tube, silicone rubber (MVQ) sealing tube, thermoplastic vulcanized tube (TPV), filastik polyvinyl chloride tube (PVC), da sauransu.
Za'a iya raba tubes ɗin rufewa zuwa nau'in latsawa, nau'in shigar ciki, da nau'in mannewa gwargwadon hanyar shigarwa. Dangane da wurin shigar ƙofofi da tagogi, ana iya raba su zuwa firam-sash sealing tube, firam-glass sealing tube, da tsakiyar sealing tube.
Shin yana da kyau a yi amfani da ɗigon hatimi ko abin rufewa tsakanin firam da tabarau? Dangane da ingancin ingancin ginin gini da amincin ginin wurin, marubucin ya ba da shawarar yin amfani da tsiri mai rufewa maimakon madaidaicin wurin.