Main types of rings

Main types of rings
R Rectangular ISO 6622/1 DIN 70910
L "L" shaped
B Barelled ISO 6622/1
M Taper ISO 6622/1 DIN 70911 et 70915
K ou T Keystone ISO 6624/1 DIN 70914 et 70916
HK ou HT Half Keystone, ISO 6624/2
E Scraper ISO 6623
N Napler ISO 6623 DIN 70930
EM Scraper taper-faced ISO 6623
NM Napler taper-faced ISO 6623
S Slotted oilcontrol ring ISO 6625 DIN 70946
G Double beveiled oil control ring ISO 6625 DIN 70948
D Beveiled edge oil control ring ISO 6625 DIN 70947
SF Coil spring loaded oil control ring ISO 6626