Muaj ntau ntau hom flanges, uas tuaj yeem muab faib ua ntau pawg raws li cov qauv sib txawv. Cov qauv kev faib ua feem ntau suav nrog:
Raws li cov duab ntawm lub phaj flange, lawv tuaj yeem muab faib ua cov flanges tiaj tus, tsa lub ntsej muag flanges, recessed flanges, tus nplaig thiab zawj flanges, thiab lub nplhaib flanges.
Raws li cov qauv ntawm flange phaj, lawv tuaj yeem muab faib ua ib qho flanges, welded flanges, threaded flanges, compression flanges, thiab movable flanges.
Raws li txoj kev sib txuas, lawv tuaj yeem muab faib ua lub caj dab flanges, qhov (socket flanges), flanged flanges, thiab clamp flanges.
Raws li ib puag ncig daim ntawv thov, lawv tuaj yeem muab faib ua siab - siab flanges, qis- siab flanges, siab - kub flanges, qis- kub flanges, thiab corrosion{4}}flanges resistant.