1. Ho ea ka maemo a indasteri ea mechine, mefuta ea flange ke: mofuta oa poleitisephara se tjheseletsa, butt-welded flange, flange ea bohlokoa, letlapa le tjheselitsoeng la sekontiri sa mofuta o hlephileng, letlapa le nang le ring-plate le sephara, mofuta o hlephilengflange ea sleeve, sekoahelo sa flange.
2. Mofuta oa flangeho ea ka tloaelo ea indasteri ea lik'hemik'hale: plate flattjheseletsa flange(PL), e nang le sepharatjheseletsa molala flange(SO), integral flange (IF), bophara ba flange e khoele (Th), e nang le (WN) butt welding flange,socket welding flange(SW), selikalikoe sa welding ring e hlephileng (PJ/SE),selikalikoe sa ho tjheseletsa se sephara(PJ/RJ), sekoahelo sa flange (BL), sekoahelo sa lesela la flange (BL (S)).
3. Ho ea ka maemo a naha, mefuta ea flange ke: plate type flattjheseletsa flange, molala o bataletsetjheseletsa flange, sekoti sa molalatjheseletsa flange, flange ea bohlokoa, flange e khoele, molala socket welding flange, butt welding ring neck loose sleeve flange, butt welding ring plate type loose sleeve flange, flanges ring plate type loose sleeve flange, flanges.
4. Ho ea ka maemo a indasteri ea petrochemical, li-flange li ka aroloa kali-flange tse sephara(SO), li-butt-welded flanges (WN), li-flange tse entsoeng ka khoele (PT), li-socket welded flanges (SW), li-sleeve flanges tse hlephileng (LJ), le likatiba tsa flange (tse sa boleloang tafoleng).