Guide Ring Piston, FRK, FRK, Freudenberg Sealing Technologies (Dichtomatik)

Possible Applications

This piston guide ring is deployed in heavy-duty hydraulic cylinders and pneumatic actuators operating within earthmoving machinery, injection molding presses, and hydraulic stamping presses. Because the bronze-filled PTFE and hard fabric materials accommodate heavy radial loads while preventing metal-to-metal contact between the reciprocating piston and the cylinder bore, the component ensures reliable linear guidance under conditions of high side-loading. It is particularly well-suited for fluid power systems in agricultural harvesters and industrial lifting equipment where minimizing breakaway friction and preventing premature scoring of the cylinder wall are critical for maintaining prolonged operational uptime.

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