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CT Profile, 4-Piece PTFE Cap Seal
Brand: Parker HannifinFour-Piece Rubber-Energized PTFE Cap Seal With Anti-Extrusion for Heavy Duty Hydraulics.
Parker’s CT Profile is a robust design for heavy duty hydraulic applications. IT is an excellent choice for sealing mobile hydraulic cylinders in applications that experience shock loads.
The CT Profile is a four-piece assembly made up of a rubber energizer, PTFE cap and two back-up rings. In application, fluid pressure forces the rubber energizer to apply increased load against the PTFE cap and back-up rings.
This results in increased sealing force against the bore and allows the back-up rings to close off the extrusion gap between the piston and the bore.
Once activated by pressure, the back-up rings protect the seal from extruding and keep internal contamination away from the PTFE cap.