Head seal Prädifa series NLA, FlexiSeal® | #NLA-M014500-04-005-4


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NLA-M014500-04-005-4 NLA-M014500-04-005-4

Head seal Prädifa series NLA, FlexiSeal® | #NLA-M014500-04-005-4

Symmetric head seals design. FlexiSeal. Spring-energized PTFE seal.


Technical Specifications

  • Inside Diameter (mm): 145
  • Outside Diameter (mm): 154
  • Minimum Working Temperature (C): -190
  • Groove Width: 7.1
  • Maximum Working Temperature (C): 230
  • Seal Material: 5
  • Element Height (mm): 7, 1
  • Media: Hydraulic
  • Polymer Material Options: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®)
  • Maximum Operating Pressure: 200 bar
  • Minimum Operating Temperature: -200 to -190 °C
  • Maximum Operating Temperature: 80 to 230 °C
  • Maximum Surface Speed: 5 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Expanded Low and High Temperature (< -35 to 140°C)
  • Pressure Rating: Medium Pressure (< 250 bar)
Safety Warning

Item Information

The NLA product series is a FlexiSeal® design with a cantilever spring. It is ideally suited for static applications requiring greater flexibility of the seal cross-section (spring travel) due to higher coaxiality fluctuations between the rod and groove or due to excessive expansion and contraction (“breathing”). It is characterized by extremely high temperature and chemical resistance. NLA may also be used for dynamic applications (internal and external).

• Symmetric lip design.
• Cantilever spring for low load / high compliance behaviour.
• Many high-resilience energizer options available, including choice of light, medium and heavy loads and NACE for oil field use.
• Available with silicone filling for food and drug applications.
• Allows the integration of a stand-off ring to protect the sealing lips in case of reverse pressure.

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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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