Piston seal Prädifa series BHO, FlexiSeal® | Product Series

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Outside Diameter (mm)

Inside Diameter (mm)

Element Height (mm)

Spårbredd

Minimum Working Temperature (C)

Maximum Working Temperature (C)

Tätningsmaterial

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Piston seal Prädifa series BHO, FlexiSeal® Piston seal Prädifa series BHO, FlexiSeal®

Piston seal Prädifa series BHO, FlexiSeal®

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

Tekniska specifikationer

  • Medier: Multiple Fluids
  • Polymermaterial, alternativ: Polytetrafluoroethylene (PTFE, mPTFE, Polon®), Ultra-High Molecular Weight Polyethylene (UHMW-PE)
  • Maximalt drifttryck: 550 bar
  • Lägsta driftstemperatur: -200 to -190 °C
  • Maximal arbetstemperatur: 80 to 230 °C
  • Maximal ythastighet: 15 m/sec
  • Måttenhet: Length: mm
  • Dämpningsmekanism: No
  • Termisk tillämpning, typ: Extremely High Temperature (> 205°C)
  • Tryck, märkvärde: High Pressure (< 500 bar)
Safety Warning

Fullständig produktbeskrivning

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.

Relaterade dokument

Product Demos & Tutorials
Mixing the right ingredients: Material Development at Parker-Prädifa
Parker Final Exam in Physics / Sealing Systems Put to the Test
Literature and Reference Materials
PTFE Seals Design Guide--PTD3354
FlexiSeal®--BHO outside dynamic u2013 reciprocating u2013 high-pressure--PTD3354
Installation Guidelines for FlexiSeals®--PTD3354
Storage and Cleaning of Elastomer Seals--PTD3032
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Produkter Outside Diameter (mm) Inside Diameter (mm) Element Height (mm) Spårbredd Minimum Working Temperature (C) Maximum Working Temperature (C) Tätningsmaterial
BHO-M001800-03-005-2 18 11.85 6 6 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M003000-04-005-2 30 20.55 8.5 8.5 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M005000-04-005-2 50 40.55 8.5 8.5 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M007000-05-005-2 70 57.88 12.1 12.1 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M007700-05-005-2 77 64.88 12.1 12.1 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M011000-05-005-2 110 97.88 12.1 12.1 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M011500-05-005-2 115 102.88 12.1 12.1 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M011590-04-005-2 115.9 106.45 8.5 8.5 -190 230 Polytetrafluorethylen 10% Ekonol
BHO-M012500-05-005-2 125 112.88 12.1 12.1 -190 230 Polytetrafluorethylen 10% Ekonol
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