a. columnar running-surface compression ring rectangular cross section
with inside reverse angle
with inside napier
with outside napier
with outside napier and outside reverse angle
with both sides tapered
with inside napier and both side tapered
b. curved running-surface compression ring
with inside reverse angle
with inside napier
with one side tapered
with both sides tapered
with inside reverse angle and both sides tapered
with inside napier and both sides tapered
c. Taper faced ring ( second ring)
with both sides tapered
with inside napier and both sides tapered
with one side tapered
with outside napier and one side tapered ( ‘nose’ shape)
with one side tapered and inside reverse angle
d. oil control ring
slotted oil control ring ( S type)
same- direction bevelled oil control ring (G type)
opposite- direction bevelled oil control ring (D type)
‘V’ shape oil control ring (DV type)
chrome plating and opposite-direction bevelled oil control ring with spiral spring
slotted oil control ring with spiral spring
same-direction bevelled oil control ring with spiral spring
opposite- direction bevelled oil control ring with spiral spring
chrome plating, square-slot and opposite-direction bevelled oil control ring with and spiral spring
chrome plating , opposite-direction bevelled and square-slot oil control ring with spiral spring and both sides taper.
e. Others
“S” steel –strip- form? oil control ring set
“H” steel –strip- form? oil control ring set
“U” steel –strip- form? oil control ring set