Piston seal Prädifa series BHO, FlexiSeal® | #BHO-M007000-05-005-2


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BHO-M007000-05-005-2 BHO-M007000-05-005-2

Piston seal Prädifa series BHO, FlexiSeal® | #BHO-M007000-05-005-2

Piston seal. Outside dynamic sealing on reciprocating rods. FlexiSeal. Spring-energized PTFE seal. High-pressure.


Technical Specifications

  • Outside Diameter (mm): 70
  • Minimum Working Temperature (C): -190
  • Groove Width: 12.1
  • Maximum Working Temperature (C): 230
  • Element Height (mm): 12.1
  • Seal Material: Polytetrafluorethylen 10% Ekonol
  • Inside Diameter (mm): 57.88
  • Media: Multiple
  • Polymer Material Options: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®)
  • Maximum Operating Pressure: 550 bar
  • Minimum Operating Temperature: -200 to -190 °C
  • Maximum Operating Temperature: 80 to 230 °C
  • Maximum Surface Speed: 15 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Extremely High Temperature (< 205°C)
  • Pressure Rating: High Pressure (< 500 bar)
Safety Warning

Item Information

The BHO product series is a single-acting piston seal featuring a FlexiSeal® design with a helicoil spring. It stands out due to its extreme temperature and chemical resistance and is ideal for higher-pressure applications.

• Extended heel that reduces effects of extrusion.
• Heavy dynamic lip (outside) ensures longest life.
• Short, wiper-type dynamic lip reduces frictional forces due to hydrostatic pressure.
• Helical spring for high load and small deflection range.
• Squared, long static lip stabilizes the seal.
• Widest range of cross-sections and diameters available, including sizes for upgrading standard O-ring grooves.
• 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:
For high-pressure applications in reciprocating pistons.

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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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