Technische Handelsonderneming Nederland b.v.
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Technische Handelsonderneming Nederland b.v.

Postbus 390
7500 AJ Enschede
T. +31 (0)53 432 34 46
F. +31 (0)53 430 71 58
Technische Handelsonderneming Nederland b.v.

Postbus 390
7500 AJ Enschede
The Netherlands
T. +31 (0)53 432 34 46
F. +31 (0)53 430 71 58
E. info@thn.nl



Office:
H. ter Kuilestraat 30
7547 BD Enschede
The Netherlands

Piston ring types

Section Type Description ISO Std.
Compression rings
C1 compression ring C1 Rectangular compression ring R
C2 compression ring C2 Taper faced compression ring M
C3 compression ring C3 Internally bevelled compression ring R-IF
C4 compression ring C4 Internally stepped compression ring R-IW
C5 compression ring C5 Ridge dodger ring  
C6 compression ring C6 Keystone compression ring K
C7 compression ring C7 Half keystone compression ring HK
C8 compression ring C8 Taper faced scraper ring  
C9 compression ring C9 Barrel faced compression ring B
CL L-ring CL L-ring LP
Scraper rings
S11 scraper ring S11 Napier ring N
S13 scraper ring S13 Taper faced napier ring NM
Oil control rings
O21 oil control ring O21 Slotted oil control ring S
O23 oil control ring O23 Double-bevelled oil control ring G
O25 oil control ring O25 Bevelled-edge oil control ring D
WO21 oil control ring WO21 Coil spring loaded slotted oil control ring SSF
WO23 oil control ring WO23 Coil spring loaded double-bevelled oil control ring GSF
WO25 oil control ring WO25 Coil spring loaded bevelled-edge oil control ring DSF
3XO 3-piece steel oil ring 3XO 3-piece steel oil ring  
OPSOR One-piece steel oil ring OPSOR One-piece steel oil ring  

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