Chitoliro chapadziko lonse lapansiflangemuyezo makamaka ali ndi machitidwe awiri, ndicho chitoliro Europeanflange systemoimiridwa ndi German DIN (kuphatikizapo kale Soviet Union) ndi chitoliro Americanflange systemkuimiridwa ndi chitoliro cha American ANSIflange. Komanso, pali Japanese JIS chitoliroflanges, koma poyika petrochemical nthawi zambiri amagwiritsidwa ntchito pagulu, ndipo kukhudzidwa kwapadziko lonse lapansi kumakhala kochepa. Mapaipi flange a mayiko osiyanasiyana akufotokozedwa pansipa:

1, ku Germany ndi Soviet Union wakale ngati woimira European system pipeflange
2. American dongosolo chitoliro flange muyezo, woimiridwa ndi ANSIB16.5 ndi ANSIB16.47
3, British ndi French chitoliro flange miyezo, mayiko awiri aliyense ndi miyeso iwiri chitoliro flange.
Mwachidule, muyezo wapadziko lonse wa ma flanges a chitoliro ungafotokozedwe mwachidule ngati machitidwe awiri osiyana komanso osasinthika: njira yaku Europe ya chitoliro choimiridwa ndi Germany; Wina ndi American pipe flange system yoimiridwa ndi United States.
Ios7005-1 ndi muyezo womwe unalengezedwa ndi International Organisation for Standardization mu 1992, muyezowo ndi United States ndi Germany mitundu iwiri yamapaipi ophatikizika ophatikizidwa mumtundu wa chitoliro cha chitoliro.