Dalilanflangeyabo sune kamar haka:
1. Deflection, yana nufin bututu daflangeba a tsaye ba, tsakiya daban-daban,flangesurface ba a layi daya ba. Lokacin da matsakaicin matsakaicin ciki ya wuce nauyin nauyin gasket.flangeyabo zai faru. Wannan yanayin yana faruwa ne musamman a cikin tsarin shigarwa, gini ko kulawa, kuma yana da sauƙin samuwa. Irin wannan hatsarin za a iya kauce masa ne kawai idan an duba shi da kyau idan an kammala aikin.
2. Ba daidai ba, yana nufin bututu daflangesu ne perpendicular, amma biyuflangessuna da cibiyoyi daban-daban. Theflangeyana da cibiyoyi daban-daban, don haka kullun da ke kewaye da shi ba zai iya shiga cikin ramukan kulle ba. Idan babu wasu hanyoyin, kawai reaming ko yin amfani da ƙaramin girman kusoshi ta cikin rami na kulle, kuma wannan hanya za ta rage tashin hankali na flanges biyu. Bugu da ƙari, madaidaicin shingen shingen shinge kuma ya ɓace, wanda yake da sauƙin zubarwa.
3. Buɗe baki, yana nufinflangeyarda ya yi girma da yawa. Lokacin da sharewar daflangeyana da girma da yawa kuma nauyin waje yana haifar da shi, irin su axial ko lankwasawa, za a yi tasiri ko girgiza gasket kuma ya rasa ƙarfin matsawa, don haka a hankali ya rasa makamashin motsa jiki da kuma haifar da gazawa.

4. Ramin staggered yana nufin cewa bututu daflangesuna da hankali, amma nisa tsakanin ramukan aron kusa da su biyunflangesbabba ne. Ramin da ba daidai ba zai haifar da kullun don haifar da damuwa, ƙarfin ba a kawar da shi ba, zai haifar da karfi a kan kullun, za a yanke kullun na dogon lokaci, wanda zai haifar da gazawar rufewa.
5. Tasirin damuwa,a cikin shigarwa na flange, flanges guda biyu sun fi daidaitattun gindi, amma a cikin tsarin samar da tsarin, bayan bututun mai zuwa cikin matsakaici, yana haifar da canjin bututun bututu, don fadada bututun bututu ko nakasawa, don haka flange yana fuskantar lankwasa. lodi ko ƙarfi ƙarfi, mai sauƙin haifar da gazawar gasket.
6. Tasirin lalata,saboda abin da ya dade yana lalatawa a kan gaskat, ta yadda sinadarin gasket ya canza. Matsakaici mai lalacewa ya shiga cikin gasket, kuma gasket ya fara yin laushi ya rasa matsewa, wanda ya haifar da.flangeyabo.
7. Thermal fadadawa da sanyi sanyi.Sakamakon fadada yanayin zafi da sanyi na matsakaicin ruwa, bolts suna fadadawa ko yin kwangila, ta yadda gasket zai haifar da gibi kuma matsakaicin zai zube ta hanyar matsi.