Flange seal Prädifa series NHI, FlexiSeal® | #NHI-M001250-01-010-2


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NHI-M001250-01-010-2 NHI-M001250-01-010-2

Flange seal Prädifa series NHI, FlexiSeal® | #NHI-M001250-01-010-2

Flange seal. Internal pressure. Static and intermittently dynamic. FlexiSeal. Spring-energized PTFE seal. High-pressure.


Technical Specifications

  • Outside Diameter (mm): 12.5
  • Minimum Working Temperature (C): -190
  • Groove Width: 3.3
  • Element Height (mm): 1.45
  • Maximum Working Temperature (C): 230
  • Inside Diameter (mm): 5.9
  • Seal Material: Polytetrafluorethylene 10% carbon/graphite
  • Media: Multiple
  • Polymer Material Options: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®)
  • Maximum Operating Pressure: 1400 bar
  • Minimum Operating Temperature: -190 °C
  • Maximum Operating Temperature: 230 °C
  • Maximum Surface Speed: 0.005 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Expanded Low and High Temperature (< -35 to 140°C)
  • Pressure Rating: Extremely High Pressure (> 500 bar)
  • Operating Pressure: Internal Pressure
Safety Warning

Item Information

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

• Extended heel reduces the effects of extrusion.
• Helical spring for high load and small deflection range.
• Resilient helical spring resists permanent set and maintains compliance to long-term flange.
• Many high-resilience energizer options available, including choice of light, medium and heavy loads and NACE for oil field use.
• Low-cost elastomeric energizers available, all with excellent fatigue resistance.

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

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Where to Buy

Local Contact

South Africa Headoffice

Parker Hannifin (Africa) Pty LTD

Sales Company South Africa

10 Berne Avenue

Aeroport

Kempton Park

Gauteng

South Africa

1620

Phone

0027 11 961 0700

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