Double wiper seal Prädifa series AY, Ultrathan® | Product Series

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Outside Diameter (mm)

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Maximum Working Temperature (C)

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Double wiper seal Prädifa series AY, Ultrathan® Double wiper seal Prädifa series AY, Ultrathan®

Double wiper seal Prädifa series AY, Ultrathan®

Where to Buy

Wiper seal, double-acting, with integrated sealing lip, which reduces the residual oil film.

Technical Specifications

  • Media: Hydraulic
  • Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®), Fluorocarbon Rubber (FKM, FPM)
  • Maximum Operating Pressure: 0 bar
  • Minimum Operating Temperature: -45 to -20 °C
  • Maximum Operating Temperature: 80 to 200 °C
  • Maximum Surface Speed: 2 m/sec
  • Unit of Measure: Length: mm
  • Cushioning Mechanism: No
  • Thermal Application Type: Standard Moderate Temperature (-35 to 100°C), Low Temperature (< -35 C), High Temperature (< 205°C)
Safety Warning

Full Product Description

The wear-resistant Ultrathan® AY double wiper ring serves to prevent ingress of dust, dirt, sand and swarf. This is achieved by its special design which largely prevents scoring, protects the guiding parts and extends the service life of the seals. In addition, the sealing lip facing the media side reduces the residual oil film. The AY double wiper ring closes the cylinder vis-à-vis the environment.

The AY wiper seal can be installed in undercut grooves without requiring special screwrings or brackets. In addition to higher wear resistance, the utilization of polyurethane offers good resistance against ozone and UV radiation. When PTFE rod seals are used we recommend the combination with the Ultrathan® AY wiper seal to minimize the residual oil film.


• Extreme wear resistance.

• Excellent media resistance in case of suitable compound selection.

• Suitable compounds available for special requirements of the chemical process industry.

• Suitable compounds available for special requirements of the food processing industry.

• Dimensions according to DIN ISO 6195, Type C.

• Installation in closed and undercut housings.

• Further dimensions of machined series with short lead times available.


Range of application:

For axially operated rods in hydraulic and pneumatic working cylinders, tappets and rod guidances.


The AV double wiper seal is available in the following compounds:

P5008 - Heavy-duty

P6000 - Heavy-duty / high temperatures

V3664 - High temperatures

P5009 - Low temperatures

P5001 - Bio-degradable fluids

P5000 - FDA approved

Related Documents

Literature and Reference Materials
Hydraulic Seals--PTD3350
Compound Data Sheet TPU P5008
Installation Guidelines for Rod Seals--PTD3350
Storage and Cleaning of Elastomer Seals--PTD3032
Ultrathan®--Double wiper AY--PTD3350
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
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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
AYA005P5008 100 110 6.8 6 -35 100 P5008
AYB000P5000 110 125 9.5 8.5 -20 100 P5000
AYB000P5001 110 125 9.5 8.5 -35 100 P5001
AYB000P5008 110 125 9.5 8.5 -35 100 P5008
AYC030P5008 125 140 9.5 8.5 -35 100 P5008
AYD838P5008 138 158 9.5 8.5 -35 100 P5008
AYE001P5000 140 155 9.5 8.5 -20 100 P5000
AYE001P5008 140 155 9.5 8.5 -35 100 P5008
AYG001P5008 160 175 9.5 8.5 -35 100 P5008
AYS960P5009 592 607 9.7 8.7 -45 95 P5009
AY0080P5008 8 13 4.1 3.5 -35 100 P5008
AY1003P5001 10 16 4.8 4 -35 100 P5001
AY1003P5008 10 16 4.8 4 -35 100 P5008
AY1003V3664 10 16 4.8 4 -20 200 V3664
AY1020P5000 12 18 4.8 4 -20 100 P5000
AY1020P5001 12 18 4.8 4 -35 100 P5001
AY1020P5008 12 18 4.8 4 -35 100 P5008
AY1020P5070 12 18 4.8 4 -35 85 P5070
AY1020V3664 12 18 4.8 4 -20 200 V3664
AY1040P5000 14 20 4.8 4 -20 100 P5000
AY1040P5001 14 20 4.8 4 -35 100 P5001
AY1040P5008 14 20 4.8 4 -35 100 P5008
AY1059P5008 16 22 4.8 4 -35 100 P5008
AY1059P5600 16 22 4.8 4 -20 80 P5600
AY1080P5000 18 24 4.8 4 -20 100 P5000
AY1080P5001 18 24 4.8 4 -35 100 P5001
AY1080P5008 18 24 4.8 4 -35 100 P5008
AY1080V3664 18 24 4.8 4 -20 200 V3664
AY1521P5008 15 21 4.8 4 -35 100 P5008
AY2020P5000 22 28 4.8 4 -20 100 P5000
AY2020P5001 22 28 4.8 4 -35 100 P5001
AY2020P5008 22 28 4.8 4 -35 100 P5008
AY2020V3664 22 28 4.8 4 -20 200 V3664
AY2026P5008 20 26 4.8 4 -35 100 P5008
AY2026V3664 20 26 4.8 4 -20 200 V3664
AY2050P4300 25 31 4.8 4 -30 110 P4300
AY2050P5000 25 31 4.8 4 -20 100 P5000
AY2050P5008 25 31 4.8 4 -35 100 P5008
AY2050P5009 25 31 4.8 4 -45 95 P5009
AY2050P5010 25 31 4.8 4 -30 100 P5010
AY2080P5000 28 36 5.8 5 -20 100 P5000
AY2080P5001 28 36 5.8 5 -35 100 P5001
AY2080P5008 28 36 5.8 5 -35 100 P5008
AY2080V3664 28 36 5.8 5 -20 200 V3664
AY3001P5008 30 38 5.8 5 -35 100 P5008
AY3002P5008 32 40 5.8 5 -35 100 P5008
AY3002P6000 32 40 5.8 5 -35 110 P6000
AY3039P5008 35 43 5.8 5 -35 100 P5008
AY3060P5000 36 44 5.8 5 -20 100 P5000
AY3060P5001 36 44 5.8 5 -35 100 P5001
AY3060P5008 36 44 5.8 5 -35 100 P5008
AY3060P5009 36 44 5.8 5 -45 95 P5009
AY3060V3664 36 44 5.8 5 -20 200 V3664
AY3070P5008 37 45 5.8 5 -35 100 P5008
AY4002P5008 40 48 5.8 5 -35 100 P5008
AY4002P6000 40 48 5.8 5 -35 110 P6000
AY4045P5000 45 53 5.8 5 -20 100 P5000
AY4045P5001 45 53 5.8 5 -35 100 P5001
AY4045P5008 45 53 5.8 5 -35 100 P5008
AY4045V3664 45 53 5.8 5 -20 200 V3664
AY5002P5000 50 58 5.8 5 -20 100 P5000
AY5002P5008 50 58 5.8 5 -35 100 P5008
AY5050P5008 55 65 6.8 6 -35 100 P5008
AY5060P5000 56 66 6.8 6 -20 100 P5000
AY5060P5001 56 66 6.8 6 -35 100 P5001
AY5060P5008 56 66 6.8 6 -35 100 P5008
AY5060V3664 56 66 6.8 6 -20 200 V3664
AY6003P5008 60 70 6.8 6 -35 100 P5008
AY6030P5008 63 73 6.8 6 -35 100 P5008
AY6030V3664 63 73 6.8 6 -20 200 V3664
AY6065P5008 65 75 6.8 6 -35 100 P5008
AY7000P5000 70 80 6.8 6 -20 100 P5000
AY7000P5008 70 80 6.8 6 -35 100 P5008
AY7000V3664 70 80 6.8 6 -20 200 V3664
AY7085P5008 75 85 6.8 6 -35 100 P5008
AY8030P5008 80 90 6.8 6 -35 100 P5008
AY8050P5008 85 95 6.8 6 -35 100 P5008
AY8050P5009 85 95 6.8 6 -45 95 P5009
AY9000P5000 90 100 6.8 6 -20 100 P5000
AY9000P5001 90 100 6.8 6 -35 100 P5001
AY9000P5008 90 100 6.8 6 -35 100 P5008
AY9000P5009 90 100 6.8 6 -45 95 P5009
AY9000V3664 90 100 6.8 6 -20 200 V3664
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