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CT Profile, 4-Piece PTFE Cap Seal
Four-Piece Rubber-Energized PTFE Cap Seal With Anti-Extrusion for Heavy Duty Hydraulics
Product Overview
Tech Specifications
Product Support
Performance Sealing Products for Hydraulic Fluid Power Equipment- EPS 5371
CT Profile Piston Seal
Installation Techniques - PTFE Cap Piston Seals
Installation Techniques for Linear Fluid Power Seals
PTFE Sealing Materials, Frequently Asked Question
PTFE Sealing Materials, Landing Page
Sealing Solution for Heavy Duty Hydraulics
Basic Sealing Technology-Linear Sealing
Sealing Technology Glossary of Basic Terminology
Seal Storage and Handling Guide - Linear Fluid Power Seals
Shelf Life for Elastomeric Seals
EPS-Tech-Tip-Typical Sealing Systems in Common Linear Fluid Power Devices
How They Work - Lip Shape Effects on Linear Seal Profiles
Parker's Sealing and Shielding blog
Description
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PERFORMANCE ADVANTAGES
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.
Parker’s CT Profile piston seal will retro-fit non-Parker seals of similar design.
The CT Profile is sold only as an assembly (seal, energizer and back-up rings). The temperature range of the CT profile is limited to the thermal capability of the rubber energizer. A wider temperature range may be achieved by using alternate energizer and back-up ring materials.
Standard Materials
• PTFE, Cap: 0401, 40% bronze-filled PTFE; Temp limited by capability of energizer; Pressure dictated by back-up rings; Surface Speed <5 ft/s)
• Rubber Energizer: 70A Nitrile; Temp -30 / +250F
• Back-up rings: Moly-filled nylon; Temp limited by capability of energizer; Pressure Range 7,500 psi*
*Pressure range shown is for systems without wear rings. If used with wear rings, consult Engineering Section (Section2) of Parker’s Fluid Power Seal Design Guide, Catalog EPS5370.
Alternate Materials: For applications that may require an alternate material, please contact your Parker EPS representative.
Description
Performance Characteristics
Seal Material
PTFE
FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker-Hannifin Corporation, its subsidiaries and authorized distributors provide product or system options for further investigation by users having technical expertise. The user, through its own analysis and testing, is solely responsible for making the final selection of the system and components and assuring that all performance, endurance, maintenance, safety and warning requirements of the application are met. The user must analyze all aspects of the application, follow applicable industry standards, and follow the information concerning the product in the current product catalog and in any other materials provided from Parker or its subsidiaries or authorized distributors. To the extent that Parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems...
