M karfe flanges yawanci yakan zo a cikin zagaye zagaye amma kuma suna iya zuwa cikin square da siffofin real. Flanges an haɗa su da juna ta hanyar bolting kuma sun shiga cikin tsarin pipping ta hanyar walda ko an tsara su ga takamaiman matsin lamba; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb and 2500lb.
Flange na iya zama farantin don rufe ko rufe ƙarshen bututu. Wannan ana kiranta makaho mai kauri. Don haka, ana ɗaukar flanges su zama kayan haɗin ciki waɗanda ake amfani dasu don tallafawa sassan injin na inji.
Nau'in flange da za a yi amfani dashi don aikace-aikacen bututun ya dogara, galibi, akan ƙarfin da ake buƙata don flanged hadin gwiwa. Ana amfani da flanges, madadin zuwa welded haɗin haɗi, don sauƙaƙe ayyukan gyara (flangadden haɗin gwiwa za a iya rarrafe da sauri da sauƙi).