Most current types
C1 | Rectangular Ring | |
C2 | Taper faced Ring | |
S11 | Napier ring | |
C6 | Keystone ring | |
C7 | Half keystone ring | |
O21 | Slotted oil control ring | |
O23 | Double bevelled oil control ring | |
O25 | Bevelled oil control ring | |
WO21 | Coil spring loaded bevelled-edge oil controle ring | |
WO23 | Coil spring loaded slotted oil control ring | |
WO25 | Coil spring loaded double bevelled oil control ring |