Spring Energized Seal Seal Material PTFE Inside Diameter 1.984 in Outside Diameter 2 1/4 in Overall Width 0.187 in For Bore Diameter 2.25 in For Groove Width 0.188 in For Piston Groove Diameter 2 in Application Oscillatory Systems Reciprocating Systems Color White Cross Section Shape Square For Rod Diameter 2 in For Rod Groove Diameter 2 1/4 in Hardness 55 Shore D Heel Type Standard Maximum Pressure 3 000 psi Maximum Surface Speed 1 920 fpm Maximum Temperature 450 Degrees F