We produce the piston and sealing rings in range of diameters 25mm - 140mm. Cast iron rings produced using the double turning machine technology and steel rings by coiling steel blank and by thermo-forming called thermofixing.
Grey cast iron - Alloyed cast iron - Ductile cast iron - Steel
Cast iron castings of different material modifications in accordance with valid Czech and foreign Standards and according to the Customers' requests.
The initial materials in the area of piston rings are in accordance with the CS Standard ISO 6621-3, classes 10,20 and 50,60.
Most often - Phosphate, Nitridation, PVD (CrN, CrAlN, DLC).
Types of Sealing rings (ISO 6621-1)
Inside bevel top side
Inside step top side
Inside bevel bottom side
Inside step bottom side
Inside edges chamfered
Peripheral edges chamfered
Joint with side notch
Joint with internal notch