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Low Drag D-Rings
Parker's Low Drag D-rings provide a cost effective alternative to traditional sealing in radial seal applications where low friction environments are critical. D-Rings can be used in static, reciprocating or oscillating applications.
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Tech Specifications
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Material Optimization by Design
Parker Low-Drag D-Rings
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Description
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Parker's Low Drag D-Rings are designed to provide lower frictional drag force than commonly used loose seals of the same width. Tests performed on actual parts show Parker's Low Drag D-Rings offer between 30% and 70% re¬duction in drag versus commonly used molded seals. With bidirectional sealing capability, machined Low Drag D-Rings with relief can be used in a wide range of ap¬plications. The rectangular base of our Low Drag D-Rings offers stability as the piston or rod oscillates, preventing seal rolling and the leaks or seal failures commonly associated with a rolled or twisted seal. Machined Low Drag D-Rings also eliminate the potential for leakage which can appear at molded seal parting lines in dynamic applications. Machined Low Drag D-Rings frequently provide a cost advantage com¬pared with traditional seals. Due to the unique manufacturing process, larger Low Drag D-Rings can be produced at a lower cost than comparable molded seals. Assemblies that use elastomer-sealed pistons can benefit from Low Drag D-Rings. Low Drag D-Rings can be used in automotive and heavy-duty pow¬ertrains, as well as any reciprocating or sliding application where low-drag seal¬ing is important.
Description
Performance Characteristics
Polymer Material Options
Ethylene Acrylate Rubber (AEM)
Fluorocarbon Rubber (FKM, FPM)
Thermal Application Type
Low and High Temperature (< -30°C, > 121°C)
For Fluid Type
Transmission Fluid
Gasoline
Diesel
Gear Oil
Industry
Automotive
Application
Clutch
Transmissions
Differentials
Durometer
70 to 90 Shore A
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...
