SCRAPER DEVICE FOR A RECIPROCATING COMPRESSOR PISTON ROD

摘要

A scraper device (10) for a reciprocating compressor piston rod (11) comprises at least one scraper ring (12, 12'), provided with at least o ne lip (27, 28) which faces the surface of the said rod (11), and a box (13) to contain the scraper ring (12) and for centring on the rod (11), wherein this scraper rin g (12) is produced by means of mechanical processing of deformable plastics materials and wherein this container box (13) is accommodated in support elements (14) wit h radial play (34).