Use of tin and lead bronze, babbitt metal, powder metallurgy and PTFE etc. to perform outstanding abrasion rsistance.
Compared with cast iron oil scraper ring, it is given the advantages of short running-in time, sound matching condition with the surface of piston rod, and that it won't scrape the surface of piston rod.
Application fields: oil refining, petrochemical, chemical, natural gas, PET bottle production and gas industry.
