Mapangidwe a flange omwe amagwiritsidwa ntchito nthawi zambiri amakhala ndi gasket yofewa yofinya pakati pa malo olimba kwambiri kuti apange chisindikizo chopanda kudontha. Zida zosiyanasiyana za gasket ndi mphira, ma elastomer (ma polima akasupe), ma polima ofewa omwe amaphimba chitsulo chosungunuka (mwachitsanzo, PTFE yokutidwa ndi chitsulo chosapanga dzimbiri), ndi zitsulo zofewa (mkuwa kapena aluminiyamu ...
Werengani zambiri