Rod sealing set Prädifa series OM | Product Series

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Rod sealing set Prädifa series OM Rod sealing set Prädifa series OM

Rod sealing set Prädifa series OM

Where to Buy

Rod sealing set for hydraulic cylinders, double-acting, PTFE slipper seal design. Low friction. For high-pressure applications.

Technical Specifications

  • Media: Hydraulic
  • Polymer Material Options: Polytetrafluoroethylene (PTFE, mPTFE, TFM, Polon®)
  • Maximum Operating Pressure: 400 bar
  • Minimum Operating Temperature: -190 °C
  • Maximum Operating Temperature: 230 °C
  • Maximum Surface Speed: 4 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C)
  • Pressure Rating: High Pressure (< 500 bar)
Safety Warning

Full Product Description

The OM double-acting rod sealing set featuring a Slipper Seal® design is characterized by minimal break-away and dynamic friction and is therefore also suitable for low-lube conditions. The seal design enables fast reaction in reciprocating pressure loads.
The OM product series is particularly well suited for sealing applications in control cylinders, servo-assisted systems and machine tools.
Due to the material combination of the slipper ring (PTFE) and the O-ring (elastomer), this product is suitable for a wide range of applications, especially for aggressive media and/or high temperatures. An extensive selection of materials is available for specific application profiles.

• Good sealing performance in extremely small assembly conditions.
• Can also be used for single-acting applications.
• Excellent wear resistance.
• Minimal break-away and dynamic friction and no stick-slip tendency ensures uniform motion even at low speeds.
• Good energy efficiency due to low friction.
• Insensitive to pressure peaks.
• High temperature resistance assured by suitable O-ring compound selection.
• High extrusion resistance.
• Adaptable to nearly all media thanks to high chemical resistance of the sealing ring and large O-ring compound selection.
• Short axial assembly length.
• Installation in closed and undercut housings.
• Available in diameters from 4 to 4500 mm.
• Additional sizes of machined products available on short notice.

Range of application:
The OM rod sealing set is suitable for a wide range of applications, especially for aggressive media and/or high temperatures.

Related Documents

Literature and Reference Materials
PTFE Seals Design Guide--PTD3354
Installation Guidelines for SlipperSeals® - Rod Seals--PTD3354
Slipper Seal®--Rod sealing set OM--PTD3354
Product Demos & Tutorials
How to Properly Store and Clean Elastomer Seals
Mixing the right ingredients: Material Development at Parker-Prädifa
Parker Final Exam in Physics / Sealing Systems Put to the Test
Communities, Blogs & Industry Links
Sealing solutions for the mobility of the future
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Products Inside Diameter (mm) Outside Diameter (mm) Element Height (mm) Groove Width Minimum Working Temperature (C) Maximum Working Temperature (C) Seal Material
OM095005200131D 95 110.1 6.3 6.3 -30 110 Polytetrafluorethylen 40% bronze
OM110007400131D 110 125.1 6.3 6.3 -30 110 Polytetrafluorethylen 10% carbon fiber
OM130005200131D 130 155.1 6.3 6.3 -30 110 Polytetrafluorethylen 40% bronze
OM130007400131D 130 145.1 6.3 6.3 -30 110 Polytetrafluorethylen 10% carbon fiber
OM140005200131D 140 165.1 6.3 6.3 -30 110 Polytetrafluorethylen 40% bronze
OM170005200131D 170 185.1 6.3 6.3 -30 110 Polytetrafluorethylen 40% bronze
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