PISTON RING 39,88x1,5 MM WITH INTERNAL NOTCH GRAPHITE
Graphite cast iron nitrided piston ring (JCO-N) - JAPON TRAFFIC TECH CORP.
Piston rings or graphite packing ? | Model Engineer
Metcar - Inside Metcar Applications: Carbon/graphite piston rings are often used in conjunction with carbon/graphite guide rings. While piston rings are meant to seal high pressure gases or fluids, the guide ring
Oil Free PTFE Carbon Graphite Material Compressor Piston Rider Guide Ring-DMS Seal Manufacturer
Metallized Carbon Corporation - Carbon-graphite piston rings for reciprocating compressors
Graphite Ring
25% Carbon-graphite filled PTFE Piston Wear Ring for Oil Free Air Compressor-DMS Seal Manufacturer
What are the material used to mark pistons? - Quora
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With Oil-Free Designs You Can Avoid Piston Assembly Failure - Empowering Pumps and Equipment