Piston guide ring Prädifa series FV | Product Series

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Inside Diameter (mm)

Element Height (mm)

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Piston Diameter (mm)

Minimum Working Temperature (°C)

Maximum Working Temperature (°C)

Material - Seals

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Piston guide ring Prädifa series FV Piston guide ring Prädifa series FV

Piston guide ring Prädifa series FV

Where to Buy

Piston guide ring for oil-lubricated applications, such as hydraulics cylinders. Extremely wear-resistant. Superior compression strength: 340 N/mm2. ISO 10766. Special design to avoid edge pressure.

Technical Specifications

  • Media: Hydraulic
  • Polymer Material Options: Phenolic Resin Fabric
  • Permissible Specific Load: 270 N/mm2
  • Minimum Operating Temperature: -50 °C
  • Maximum Operating Temperature: 120 °C
  • Maximum Surface Speed: 0.5 m/sec
  • Unit of Measure: Length: mm
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C)
  • Optimized Load Capacity Feature: Yes
Safety Warning

Full Product Description

The FV rod guide ring made of fabric phenolic resin laminate is intended for use in hydraulic cylinders. The guide ring is created in a slit form (45 ° cut) to enable installation. In addition, the slit version ensures that the system pressure can pass toward the seal, taking thermal expansions into account. The special geometry of the dynamic sliding surface avoids edge compression, resulting in more favorable load distribution.

The FV guide ring is exceptionally pressure-resistant and wear-resistant.
Pressure resistance is much higher than that of guiding elements made of other plastics.

After installation, the FV guide ring has an interference fit against the bottom of the groove.

• Minimal play due to extremely small manufacturing tolerances of the guiding elements.
• Vibration absorption effect.
• Extreme wear resistance.
• Improved sliding properties due to surface structure.
• Significantly higher permissible loading pressure compared with other guidance tape materials.
• Dimensions according to ISO 10766.
• Any desired nominal diameter available due to use of machining technique.
• Installation in closed and undercut housings.

Range of application:
Guiding element for rods in hydraulic cylinders.

Related Documents

Literature and Reference Materials
Storage and Cleaning of Elastomer Seals--PTD3032
Product Demos & Tutorials
Mixing the right ingredients: Material Development at Parker-Prädifa
Parker Final Exam in Physics / Sealing Systems Put to the Test
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Products Outside Diameter (mm) Inside Diameter (mm) Element Height (mm) Groove Width Piston Diameter (mm) Minimum Working Temperature (°C) Maximum Working Temperature (°C) Material - Seals
FVA095Q5029 100 95 9.7 9.7 99.4 -50 120 Q5029
FV6358Q5029 63 58 9.7 9.7 62.5 -50 120 Q5029
FV8076Q5029 80 75 9.7 9.7 79.5 -50 120 Q5029
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