Piston ring options

THN Piston Rings Options 01 2

For very specific applications, there optional piston rings such as the piston ring with a broken inner or outer side and the piston ring with internal beveling. All piston rings are provided as standard with a Ferrox or Phosphorus surface treatment. 

Specific surface treatments or coatings are available on request. Special coatings such as Chrome, Molybdenum, Tin and Nitrated are also possible.

THN Piston Rings Options 01 2

Overview of all piston ring options

Options
TypeSection (click on the image to enlarge)Description
KATHN Type KAOutside edges broken
KITHN Type KIInside edges broken
IFTHN Type IFInternally beveled ring
IFUTHN Type IFUInternally beveled bottom
IWTHN Type IWInternally stepped
IWUTHN Type IWUInternally stepped bottom

Coatings

Coatings
TypeMaterialDescription
DCrChrome-plated
MMoMolybdenum filled
TSnTinned
NNO3Nitrided
P-Black phosphated
F-Ferrox-filled

Need custom piston rings?

THN Customer Service Tom 01

In the case of very specific applications, the necessary piston rings may not be in stock. We also offer options for specially produced piston rings in any desired size and design. Delivery times are possible from 24 hours.

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