The 208 Series standard-duty piston seal is a low-friction design, consisting of a PTFE-filled seal and an O-ring energizer. It is designed for double-acting cylinders in challenging applications, where low friction and high wear resistance are needed.
Compatible with a wide range of media
Available in diameters up to 2100 mm
The 208 Series standard-duty piston seal is ideal for high-pressure sealing applications, offering low-friction performance and double-acting operation.
System Seals’ custom blended PTFE-filled compounds provide ultra-low friction and high-speed performance with minimal wear. The standard compounds are PTFE with Bronze filler, or PTFE filled with Glass-Moly. The temperature range of the seal can be increased by selecting an FPM energizer in place of the standard NBR energizer.
|PTFE-Bronze compound + NBR o-ring||MT23|
|PTFE-Bronze compound + FPM o-ring||MT26|
|PTFE-Glass/MoS2 compound + NBR o-ring||MT83|
|PTFE-Glass/MoS2 compound + FPM o-ring||MT86|
|water oil emulsions (HFA)||-||-||+5…+60||+40…+140|
|water-glycol fl uids (HFC)||-||-||-30…+60||-22…+140|
|polyol esters (HFD)||-||-||-||-|
|Speed||5 m/s (16.5 ft/sec)|
|Pressure||400 bar (6000 psi)|
Note:for other materials or fluids please contact our engineering department.