Bakin karfe flanges ne mafi yawan sassan da sa bututun da bututun haɗa juna. Dangane da tsarin nau'i, akwai gaba ɗaya flange, live set flange da threaded flange. Common gaba flanges ne flat walda flanges da kuma biyu walda flanges. Flanged bututun kayan aiki yana nufin bututun kayan aiki tare da flange (flange ko junction). Ana iya yin shi ta hanyar zuba ko kuma ta hanyar haɗin thread ko walda. Flange haɗin yana nufin ƙunshi biyu flanges, gasket da dama bolt nuts. Gasket sanya a tsakanin biyu flange rufi, bayan tightening nuts, da matsin lamba a kan gasket farfajiyar ya kai wani darajar samar da deformation, da kuma cika da rashin daidaito a kan rufi, don haka da haɗi da tsanani ba leaks. Flanged haɗi ne mai detachable haɗi. Akwai rami idanu a kan flange, za a iya saka bolt, sa biyu flanges haɗi, da gasket hatimi tsakanin flanges. Dangane da haɗin sassa za a iya raba shi zuwa kwantena flanges da tube flanges.

Flange samar da misali: kasa misali: GB / T9112-2000 (GB9113 · 1-2000 ~ GB9123 • 4-2000) Amurka misali: ANSI B16.5 Class150, 300, 600, 900, 1500 (WN, SO, BL, TH, LJ, SW) rana misali: JIS 5K, 10K, 16K, 20K (PL, SO, BL, WN, TH, SW) Jamus misali: DIN2573、2572、2631、2576、2632、2633、2543、2634、2545（PL、SO、WN、BL、TH） Ma'aikatar sunadarai misali: HG5010-52 ~ HG5028-58, HGJ44-91 ~ HGJ65-91, HG20592-97 jerin, HG20615-97 jerin inji ma'aikatar misali: JB81-59 ~ JB86-59, JB / T79-94 ~ JB / T86-94, JB / T74-1994 matsin lamba kwantena misali: JB1157-82～JB1160-82、JB4700-2000～JB4707-2000 B16.47A/B B16.39 B16.48