Flange seal Prädifa series NRE, FlexiSeal® | #NRE-M038100-05-001-4


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NRE-M038100-05-001-4 NRE-M038100-05-001-4

Flange seal Prädifa series NRE, FlexiSeal® | #NRE-M038100-05-001-4

Flange seal. External pressure. Static and intermittently dynamic. FlexiSeal. Spring-energized PTFE seal. Low assembly force.


Technical Specifications

  • Element Height (mm): 6.05
  • Seal Material: Polytetrafluorethylene
  • Inside Diameter (mm): 381
  • Groove Width: 6.05
  • Outside Diameter (mm): 401
  • Minimum Working Temperature (C): -190
  • Maximum Working Temperature (C): 230
  • Media: Hydraulic
  • Polymer Material Options: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®)
  • Maximum Operating Pressure: 350
  • Maximum Surface Speed: 0.005
  • Cushioning Mechanism: No
Safety Warning

Item Information

The NRE product series features a FlexiSeal® design with a cantilever spring and is ideally suited for flange sealing in medium-pressure applications. It seals the pressure gradient from outside to inside. The NRE series is characterized by extremely high temperature resistance and chemical resistance.

• Wiper-type lips.
• Cantilever spring with high-load/high-compliance to resist permanent set and long-term flange separation.
• Available in large cross sections, ideal for large-diameter seals.
• NACE-approved energizers available for oil field use

Range of application:
Flange sealing in medium-pressure applications, pressure gradient from outside to inside. Cryogenic applications.

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