Ipayipi lomhlaba jikelelei-flangeOkujwayelekile ikakhulukazi kunezinhlelo ezimbili, okungukuthi ipayipi laseYurophuUhlelo lwe-FlangeImelwe yiJalimane Din (kufaka phakathi i-Soviet Union yangaphambili) kanye nepayipi laseMelikaUhlelo lwe-FlangeImelwe yipayipi laseMelika Ansii-flange. Ngaphezu kwalokho, kukhona ipayipi laseJapan jisuhlobo, kepha ekufakweni kwe-petrochemical ngokuvamile esetshenziselwa imisebenzi yomphakathi kuphela, futhi umthelela wamazwe omhlaba mncane. Amaphayiphu amaphayipha amazwe ahlukahlukene angeniswa ngezansi:

1, eJalimane kanye ne-Soviet Union eyayiyiSoviet njengommeleli wepayipi lesistimu yaseYurophui-flange
2. I-American System Pipe Flange ejwayelekile, emelelwa yi-ANSIB16.5 ne-ANSIB16.47
3, ama-Flange ama-Flange ama-3, ama-French Fipe Flange, amazwe amabili ngalinye anamazinga amabili we-flange amazinga amabili.
Ukufingqa, Izinga le-International Lives of Pipe Flanges lingafingqa njengezinhlelo ezimbili ezihlukile futhi ezingenakuguquguquka ze-Flange Systems: Uhlelo lwe-Europe lwe-Flange olumelwe yiJalimane; Omunye uhlelo lwe-american flange system olumelwe yi-United States.
I-iOS7005-1 iyi-standard ebiyelwe yinhlangano yamazwe omhlaba ukuze ithuthukiswe ngo-1992, indinganiso empeleni iyi-United States neJalimane uchungechunge lwe-pied oluhlanganisiwe ku-flange standard.