Hlau flanges muab kev yooj yim rau kev tu, tshuaj xyuas lossis hloov kho. Lawv feem ntau tuaj nyob rau hauv cov duab puag ncig tab sis lawv tuaj yeem tuaj hauv cov ntawv square thiab rectangular. Cov flanges yog sib koom ua ke los ntawm bolting thiab koom nrog cov kav dej los ntawm kev vuam lossis threading thiab yog tsim los rau cov kev ntsuas tshwj xeeb; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb thiab 2500lb.
Lub flange tuaj yeem yog phaj rau npog lossis kaw qhov kawg ntawm cov yeeb nkab. Qhov no yog hu ua qhov muag tsis pom flange. Yog li, flanges raug suav hais tias yog cov khoom siv sab hauv uas siv los txhawb cov khoom siv tshuab.