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Flange seal Prädifa series HRI, FlexiSeal®
Flange seal. Internal pressure. Static and intermittently dynamic. FlexiSeal. Spring-energized PTFE seal. Low assembly force.
Product Overview
Tech Specifications
Product Support
PTFE Seals Design Guide--PTD3354
FlexiSeal®--HRI internal high-pressure u2013 high load/deflection u2013 cryogenic--PTD3354
Storage and Cleaning of Elastomer Seals--PTD3032
Mixing the right ingredients: Material Development at Parker-Prädifa
Parker Final Exam in Physics / Sealing Systems Put to the Test
Description
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The HRI product series features a FlexiSeal® design with a cantilever spring and is ideally suited for flange sealing in high-pressure applications. It internally seals the pressure gradient against the outside. The HRI series is characterized by extremely high temperature resistance and chemical resistance.
• Extended heel to resist extrusion effects.
• Wiper-type lips.
• Cantilever spring with high-load/high-compliance to resist permanent set and long-term flange separation.
• Rigid spring acts as a control band to resist low temperature shrinkage.
• Available in large cross sections, ideal for large-diameter seals.
• NACE-approved energizers available for oil field use.
Range of application:
Flange sealing in high-pressure applications, pressure gradients from inside to outside. Cryogenic applications.
Description
Performance Characteristics
Media
Hydraulic
Polymer Material Options
Ultra-High Molecular Weight Polyethylene (UHMW-PE)
Maximum Operating Pressure
550 bar
Minimum Operating Temperature
-200 to -190 °C
Maximum Operating Temperature
80 to 230 °C
Maximum Surface Speed
0.005 m/sec
Unit of Measure
Length: mm
Cushioning Mechanism
No
Thermal Application Type
Low Temperature (≤ -35°C)
Pressure Rating
High Pressure (≤ 500 bar)
Operating Pressure
Internal Pressure
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...
