Bakin karfe flange ne wani nau'i na farantin sassa, mafi yawa a cikin bututun aiki, flanges ne a biyu-biyu da kuma amfani da taimako flanges a kan bawul. A cikin aikin bututun bututun, ana amfani da flanges don haɗin bututun bututun. A bututun da ake buƙatar haɗuwa, daban-daban shigar da wani yanki flange, low matsin lamba bututun za a iya amfani da waya flange, amfani da walda flange a kan 4kg matsin lamba. Ƙara hatimi mats tsakanin biyu flanges, sa'an nan kuma ƙarfafa da bolt. Flanges na daban-daban matsin lamba suna da daban-daban kauri da kuma amfani da daban-daban bolts.
Pamfo da bawul, a lokacin da aka haɗa da bututun, a cikin gida na wadannan kayan aiki da kayan aiki, kuma sanya daidai flange siffar, wanda aka kuma kira flange haɗi. Duk wani haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin haɗin ha Amma wannan haɗin kawai wani ɓangare ne na na'urar, kamar haɗin flange da famfo, ba shi da kyau a kira famfo "sassan flange". Mafi ƙananan kamar bawul, da dai sauransu, za a iya kira su "flange-irin sassa".
Gasket ne wani madaidaiciya da aka yi da kayan da za su iya samar da karkatarwa na roba, kuma tare da wani ƙarfi. Mafi gaskets ne yanke daga non-karfe allon, ko da sana'a masana'antu da aka tsara size, da kayan ne asbestos roba allon, asbestos allon, polyethylene allon, da dai sauransu; Akwai kuma karfe kwakwalwa gasket da aka yi da wani m karfe farantin (farin baƙar ƙarfe fata, bakin karfe) da asbestos da kuma sauran kayan da ba na karfe kunshe;
Akwai kuma wani gasket mai nau'i wanda aka yi da ƙarfe mai ƙarfi tare da asbestos band. Yawancin roba gaskets dace da lokuta da zafin jiki kasa da 120 ℃; Asbestos roba gasket dace da lokuta a kan ruwa tururi zafin jiki kasa da 450 ℃, a kan man fetur zafin jiki kasa da 350 ℃, matsin lamba kasa da 5MPa, ga general lalata kafofin watsa labarai, mafi yawan amfani da shi ne acid juriya asbestos allon. A cikin high matsin lamba kayan aiki da bututun, karfe gaskets aka yi da jan ƙarfe, aluminum, karfe 10, bakin karfe ruwan tabarau irin ko wasu siffofin. Babban matsin lamba gasket da hatimi saman lamba nisa ne sosai m (layi lamba), hatimi saman da gasket aiki tsabta ne mafi girma.
Low matsin lamba karamin diamita ne da waya flanges, high matsin lamba da kuma low matsin lamba manyan diamita ne duka amfani da walda flanges, daban-daban matsin lamba da kauri da kuma haɗin bolt diamita da adadin flanges ne daban-daban.