Warnite, wanda aka sani da harshen wuta ko flani. Flani wani kayan haɗin ne wanda ke haɗawa da amfani don haɗa bututun mai ƙare; Hakanan yana da amfani a kan allon kanti da kuma kayan aikin kayan aiki, amfani da su don haɗa na'urori biyu, kamar flanges masu shinge. Haɗin flange ko haɗin gwiwar fashin kwamfuta yana nufin haɗin haɗi wanda aka kafa ta hanyar flages, gassaye, da kuma kusurwoyin da aka haɗa tare a matsayin tsarin hatimin. Pipepline flango yana nufin flangarfin flangen yayi amfani da bututu a cikin kayan bututun bututun mai, kuma lokacin da aka yi amfani da shi akan kayan aiki, yana nufin mashigar inpet da kayan aiki na kayan aiki. Dangane da matakai daban-daban matsa matsakaita na bawuloli, flanges tare da matakan matsin lamba daban-daban ana daidaita su a cikin fam na bututun bututun. A wannan batun, injiniyan Jamusawa daga Woard Wode gabatar da da yawa amfani da matakai na amfani da ka'idodi na duniya:

A cewar Asme B16.5, fitilun karfe suna da kimar matsin lamba 7: Class150-300-900-1500-1500-10, Pn2.5, pn2.5, pn2, pn2.5, pn2.5, pn2, pn2 .0, PN6.4, PN10, PN16, PN25, Ratings na PN32PTA)

Matsakaicin matsin lamba na flani ya bayyana sarai. Flass300 FLGARES ZA A CIGABA da matsanancin matsawa fiye da na Class150 saboda filayen taurari na yau da kullun suna buƙatar ƙarin kayan aiki don tsayayya da matsin lamba. Koyaya, da m damar flanges yana rinjayi abubuwa da yawa. An bayyana kimar wutar matsin lamba a fam, kuma akwai hanyoyi daban-daban da za a wakilci kimanin matsi. Misali, ma'anar 150lb, 150lbs, 150 #, da Class150 iri ɗaya iri ɗaya ne.