I-Flange engajwayelekile luhlobo lwei-flangeokuhlobene nezinga likazwelonke noma amazinga athile angaphandle. Ngoba indinganisoi-flangeayikwazi ukufeza izidingo zokusebenzisa kwezinye izikhathi ezikhethekile, kuyadingeka ukuguqula futhi uthuthukise okujwayelekileuhlobo. I-Flange e-Non-Standard ikhiqizwa, futhi kunezidingo ekwakhiweni kwe-non-standardi-flange.
Amagobolondo emishini yamakhemikhali angakhiqizwa ngokuphonsa,ukuthethelela, noma ukuthutha, noma ngokwenza izingxenye eziningana bese ubuthana ekuxhumekeni okungaba khona. Lesi sakhiwo sikonke, ukusebenza kwenqubo yokuqamba lapho kuvulwa izidingo zokuxhumeka, ngakolunye uhlangothi nakho kungukukhiqizwa, ukufakwa kanye nokunakekelwa lula. Kunezinhlaka eziningi zokuxhumana ezisuswayo kumakhemikhali emishini, njengokuxhumeka kwentambo, ukuxhumana kwesokhethi kanye nokuxhumeka kwe-flange.
Ukusuka endaweni yokubuka, uxhumano lwe-flange oluhlolisisiwe okufanele ucubungule njengohlelo, kanye nokuvuza njengendlela yokuklama, kufanele kube okunengqondo, ngakho-ke ukwakheka kocwaningo kuboniswe lokho ngenxa ye-flange, okuhlangenwe nakho okungaphansi kwalesi sikhathi, ngakho-ke ukwandisa ingcindezi ye-flange.

Ukusuka endaweni yokubuka, ama-flanges angahlukaniswa ngezinhlobo ezintathu:
1. I-Flange evulekile isho ukuthi i-flange ingalungiswa ngqo egobolondweni noma ilungiswe kodwa ayikwazi ukuqinisekisa ukuthi i-flange egobolondweni lonke lizothwala isakhiwo se-bolt.
2. Ibalulekilei-flange, okungukuthi, i-flange yakhiwa noma yaphonswa emzimbeni owodwa egobolondweni, noma i-weldedi-flangeisetshenziselwa ukuba ngumzimba munye egobolondweni.
3. Noma yisiphi i-flange, kusuka ekubukeni kwesakhiwo, le flange ixhumene negobolondo lilonke, futhi ukuqina kubi ukwedlula i-flange ephelele.
Akunandaba noma hlobo lunii-flange, Indlela yayo yokubala amandla edizayina ingafaka izinkinga ezimbili eziyisisekelo: munye ukuthi izingxenye ezisesimweni sokuxhumeka se-flange kufanele kube namandla anele. Okwesibili, ukuxhumana ngokwayo kumele kuqinisekiswe ukusa uphawu.