Piston Rings/ Rider Bands
Piston rings seal the pressurized medium from leaking between the piston and cylinder.
They can be supplied is various materials like carbon filled PTFE, bronze filled PTFE or PEEK filled PTFE.
The rings are available in angle cut or butt cut.
Rider rings are used to avoid contact between the piston and cylinder.
They are mainly supplied in carbon filled PTFE however can be supplied in bronze or peek depending on the pressure and temperature.