Wiper Seal Prädifa series AD, Polon® | Product Series

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Outside Diameter (mm)

Groove Depth (mm)

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Minimum Working Temperature (°C)

Maximum Working Temperature (°C)

Material - Seals

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Wiper Seal Prädifa series AD, Polon® Wiper Seal Prädifa series AD, Polon®

Wiper Seal Prädifa series AD, Polon®

Where to Buy

Wiper seal (two-piece design), double-acting, with integrated sealing function, which reduces the residual oil film. ISO 6195, Type D.

Technical Specifications

  • Media: Hydraulic
  • Polymer Material Options: Polytetrafluoroethylene (PTFE, mPTFE, Polon®), Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®), Ultra-High Molecular Weight Polyethylene (UHMW-PE)
  • Maximum Operating Pressure: 0 bar
  • Minimum Operating Temperature: -50 to -25 °C
  • Maximum Operating Temperature: 110 to 200 °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), High Temperature (< 205°C), Low Temperature (< -35 C)
Safety Warning

Full Product Description

The AD double wiper seal featuring a Slipper Seal® design consists of a PTFE slide ring for the wiper function and an elastomer O-ring as a preloading element. It combines two functions: wiping against external contamination and a sealing function that reduces the residual oil film. The AD wiper seal is characterized by low break-away and sliding friction and can therefore be used in low-lube conditions as well.

Due to the material combination of the slide 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. Several compounds can alternatively be selected according to the specific application profile.

Wiper rings / seals serve to safeguard axially movable rods and pistons against ingress of dust, dirt, sand and swarf, thus protecting the guiding elements and seals and extending the service life of the sealing system.

• 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.

• High temperature resistance assured by suitable O-Ring compound selection.

• Adaptable to nearly all media thanks to high chemical resistance of the sealing ring and large O-Ring compound selection.

• Dimensions according to DIN ;ISO ;6195, Type D.

• Available in diameters from 4 to ;3000 mm.

• Installation in closed and undercut housings.

Range of application:

The AD product series is suitable for a wide range of applications, especially for aggressive media and/or high temperatures.

The AD wiper seal is available in the following compounds:

00591 - Industrial applications

00592 - High temperatures

00593 - Low temperatures

Related Documents

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
Industry Hydraulics
Literature and Reference Materials
Hydraulic Seals--PTD3350
Installation Guidelines for Rod Seals--PTD3350
Slipper Seal®--Double wiper AD--PTD3350
Storage and Cleaning of Elastomer Seals--PTD3032
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Products Inside Diameter (mm) Outside Diameter (mm) Groove Depth (mm) Groove Width Minimum Working Temperature (°C) Maximum Working Temperature (°C) Material - Seals
AD016005200591B 16 22.8 3.4 5 -30 110 PS052
AD022005200592B 22 28.8 3.4 5 -25 200 PS052
AD040005200592B 40 46.8 3.4 5 -25 200 PS052
AD070005200591C 70 78.8 6 4.4 -30 110 PS052
AD080005200592C 80 88.8 4.4 6 -25 200 PS052
AD100005200592C 100 108.8 4.4 6 -25 200 PS052
AD280005200591D 280 292.2 6.1 8.400 -30 110 PS052
AD320005200591D 320 332.2 6.1 8.400 -30 110 PS052
AD050805200591B 50.8 57.6 3.4 5 -30 110 PS052
AD060008300591C 60 68.8 4.4 6 -30 110 PS083
AD063007400591C 63 71.8 4.4 6 -30 110 PS074
AD025007800591B 25 31.8 3.4 5 -30 110 PS078
AD028005200591B 28 34.8 3.4 5 -30 110 PS052
AD040007800591B 40 46.8 3.4 5 -30 110 PS078
AD060005200591B 60 66.8 3.4 5 -30 110 PS052
AD100005200591C 100 108.8 4.4 6 -30 110 PS052
AD140005200591C 140 148.8 4.4 6 -30 110 PS052
AD150005200591C 150 158.8 4.4 6 -30 110 PS052
AD180005200591C 180 188.8 4.4 6 -30 110 PS052
AD200005200591C 200 208.8 4.4 6 -30 110 PS052
AD250005200591D 250 262.2 6.1 8.400 -30 110 PS052
AD400005200591D 400 412.2 6.1 8.400 -30 110 PS052
AD420005200591D 420 432.2 6.1 8.400 -30 110 PS052
AD050005200592B 50 56.8 3.4 5 -25 200 PS052
AD0850A5200592C 85 93.8 4.4 6 -25 200 PSA52
AD085005200592C 85 93.8 4.4 6 -25 200 PS052
AD022005200591K 22.0 28.0 3 4.0 -30 110 PS052
AD022005200592K 22.0 28.0 3 4.0 -25 200 PS052
AD028005200591L 28.0 36.0 4 5.0 -30 110 PS052
AD036005200592L 36.0 44.0 4 5.0 -25 200 PS052
AD045005200592L 45.0 53.0 4 5.0 -25 200 PS052
AD056005200591M 56.0 66.0 5 6.0 -30 110 PS052
AD056005200592M 56.0 66.0 5 6.0 -25 200 PS052
AD090005200592M 90.0 100 5 6.0 -25 200 PS052
AD350005200591D 350 362.2 6.1 8.4 -30 110 PS052
AD025005200592K 25 31 3 4 -25 200 PS052
AD045005200591L 45 53 4 5 -30 110 PS052
AD060005200594C 60 68.8 6 4.4 -40 150 PS052
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