Double-Acting Rod Wiper Seals for Hydraulic Applications (AY) | Product Series

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Double-Acting Rod Wiper Seals for Hydraulic Applications (AY)

Double-Acting Rod Wiper Seals for Hydraulic Applications (AY)

Where to Buy

Parker's double-acting rod wiper seals for heavy to light-duty hydraulics applications feature knife-trimmed, beveled lips.

Technical Specifications

  • Shoulder Diameter: 0.370 to 10.135 inch, 22.5 to 164.0 mm
  • Maximum Width: 0.245 to 0.351 inch (max wiper axial width), 4.8 to 9.5 mm (max wiper axial width)
  • Minimum Operating Temperature: -35 °F
  • Maximum Operating Temperature: 275 °F
  • For Fluid Type: Hydraulic Oil (petroleum based), Water (depending on material)
  • Color: Tan, Aqua
  • Durometer: 90 Shore A
  • Thermal Application Type: Varies (depending on material)
  • Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)
  • Media: Hydraulic
  • Maximum Surface Speed: 100 ft/min, 0.5 m/sec

Full Product Description

AVAILABILITY: A sampling of Parker’s part numbers are shown in the configurator above for select materials and sizes. If the material and dimensions required are not shown, assistance with part number configuration may be found in the literature documents in the Product Support tab. To check current tooling, review the Part Number Look-up document. Contact Parker for requirements outside typical ranges.

Parker’s AY profile, premium double-lip wiper is used in light to heavy-duty hydraulics. When used in high pressure applications with the proper Parker rod seals, the AY profile complements the sealing system by providing an additional beveled sealing lip, yielding excellent film-breaking and the driest rod sealing available. These dual acting features along with its space-saving single-gland configuration, enable it to be used by itself in low pressure applications as both the rod seal and the wiper. Knife-trimmed sealing lips ensure the best possible film breaking.

NOTE: When using the AY wiper in conjunction with other rod seals, it is important to select a rod seal profile that enables pressure relief of fluid into the system, otherwise a pressure trap may form between the wiper and rod seal. Suggested rod profiles are Parker’s BT Profile, BS Profile, and B3 Profile U-cup seals.

Standard Materials:
• P4300A90 Resilon® polyurethane; Temp -65 / +275F; Surface speed <1.6 ft/s
• P4301A90 Resilon polyurethane; Temp -35 / +275F (+225F in water); Surface speed <1.6 ft/s
• P4700A90 Polyurethane; Temp -65 / +200F; Surface speed <1.6 ft/s

Alternate Materials: For applications that may require an alternate material, please contact your Parker EPS representative.

Note: Metric dimensions according to DIN ISO 6195, Type C.

Typical applications:
• Dynamic sealing of hydraulic cylinders

Related Documents

Literature and Reference Materials
Fluid Power Seal Design Guide--EPS 5370
AY Profile Wiper
Avoid Rod Wiper Leakage
Installation Techniques for Linear Fluid Power Seals
Installation Techniques for Linear Fluid Power Seals
Part Number Look-Up
Resilon® 4301 Polyurethane, EPS 5219
Resilon® Polyurethane - EPS 5202
Training
Basic Sealing Technology - Wipers
Basic Sealing Technology-Linear Sealing
Sealing Technology Glossary of Basic Terminology
Contact & Support Information
Design Action Request--DAR
Frequently Asked Questions
Compliance, Certifications & Safety
EPS Division, SLC, IATF 16949:2016
EPS Division, SLC, ISO 9001:2015 and AS9100D in Accordance With AS9104/1
Seal Storage and Handling Guide - Linear Fluid Power Seals
Shelf Life for Elastomeric Seals
Product Demos & Tutorials
EPS-Tech-Tip-Typical Sealing Systems in Common Linear Fluid Power Devices
How They Work - Lip Shape Effects on Linear Seal Profiles
Selector Guides
Choosing a Rod Wiper - Rod Wiper Decision Tree
Communities, Blogs & Industry Links
Parker's Sealing and Shielding blog
Parker's Sealing and Shielding blog
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Products Length Unit of Measure Rod Diameter Groove Diameter Gland Depth Groove Width Seal Material
M300AY07.5120-7.5 mm 120.0 135.0 7.500 8.500 P4300A90
M300AY07.5125-7.5 mm 125.0 140.0 7.500 8.500 P4300A90
4300AY00250 inch 0.250 0.552 0.151 0.203 P4300A90
4300AY00312 inch 0.312 0.615 0.151 0.203 P4300A90
4300AY00375 inch 0.375 0.677 0.151 0.203 P4300A90
4300AY00437 inch 0.437 0.740 0.151 0.203 P4300A90
4300AY00500 inch 0.500 0.802 0.151 0.203 P4300A90
4300AY00562 inch 0.562 0.865 0.151 0.203 P4300A90
4300AY00625 inch 0.625 0.927 0.151 0.203 P4300A90
4300AY00750 inch 0.750 1.052 0.151 0.203 P4300A90
4300AY00812 inch 0.812 1.177 0.183 0.218 P4300A90
4300AY00875 inch 0.875 1.240 0.183 0.218 P4300A90
4300AY01000 inch 1.000 1.365 0.183 0.218 P4300A90
4300AY01125 inch 1.125 1.490 0.183 0.218 P4300A90
4300AY01250 inch 1.250 1.615 0.183 0.218 P4300A90
4300AY01375 inch 1.375 1.740 0.183 0.218 P4300A90
4300AY01500 inch 1.500 1.865 0.183 0.218 P4300A90
4300AY01625 inch 1.625 1.990 0.183 0.218 P4300A90
4300AY01750 inch 1.750 2.115 0.183 0.218 P4300A90
4300AY01812 inch 1.812 2.177 0.183 0.218 P4300A90
4300AY01875 inch 1.875 2.240 0.183 0.218 P4300A90
4300AY02000 inch 2.000 2.365 0.183 0.218 P4300A90
4301AY02000 inch 2.000 2.365 0.183 0.218 P4301A90
4300AY02125 inch 2.125 2.490 0.183 0.218 P4300A90
4300AY02250 inch 2.250 2.745 0.248 0.281 P4300A90
4300AY02375 inch 2.375 2.870 0.248 0.281 P4300A90
4300AY02500 inch 2.500 2.995 0.248 0.281 P4300A90
4301AY02500 inch 2.500 2.995 0.248 0.281 P4301A90
4300AY02750 inch 2.750 3.245 0.248 0.281 P4300A90
4300AY03000 inch 3.000 3.495 0.248 0.281 P4300A90
4300AY03125 inch 3.125 3.620 0.248 0.281 P4300A90
4300AY03500 inch 3.500 3.995 0.248 0.281 P4300A90
4300AY03750 inch 3.750 4.245 0.248 0.281 P4300A90
4300AY04000 inch 4.000 4.495 0.248 0.281 P4300A90
4300AY04250 inch 4.250 4.745 0.248 0.281 P4300A90
4300AY04500 inch 4.500 4.995 0.248 0.281 P4300A90
4300AY04750 inch 4.750 5.245 0.248 0.281 P4300A90
4300AY05000 inch 5.000 5.495 0.248 0.281 P4300A90
4300AY05500 inch 5.500 5.995 0.248 0.281 P4300A90
4300AY05750 inch 5.750 6.245 0.248 0.281 P4300A90
4300AY06000 inch 6.000 6.495 0.248 0.281 P4300A90
4300AY06250 inch 6.250 6.745 0.248 0.281 P4300A90
4300AY06500 inch 6.500 6.995 0.248 0.281 P4300A90
4300AY07000 inch 7.000 7.495 0.248 0.281 P4300A90
4300AY07500 inch 7.500 7.995 0.248 0.281 P4300A90
4300AY08000 inch 8.000 8.495 0.248 0.281 P4300A90
4300AY08500 inch 8.500 8.995 0.248 0.281 P4300A90
4300AY09000 inch 9.000 9.495 0.248 0.281 P4300A90
4300AY09500 inch 9.500 9.995 0.248 0.281 P4300A90
4300AY10000 inch 10.000 10.495 0.248 0.281 P4300A90
M300AY03.0020-3.6 mm 20.0 26.0 3.000 4.000 P4300A90
M300AY03.0025-3.6 mm 25.0 31.0 3.000 4.000 P4300A90
M300AY04.0028-4.5 mm 28.0 36.0 4.000 5.000 P4300A90
M300AY04.0032-4.5 mm 32.0 40.0 4.000 5.000 P4300A90
M300AY04.0036-4.5 mm 36.0 44.0 4.000 5.000 P4300A90
M300AY04.0040-4.5 mm 40.0 48.0 4.000 5.000 P4300A90
M300AY04.0045-4.5 mm 45.0 53.0 4.000 5.000 P4300A90
M300AY04.0050-5.0 mm 50.0 58.0 4.000 5.000 P4300A90
M300AY05.0055-4.5 mm 55.0 65.0 5.000 5.000 P4300A90
M300AY05.0055-5.3 mm 55.0 65.0 5.000 6.000 P4300A90
M300AY05.0056-5.3 mm 56.0 66.0 5.000 6.000 P4300A90
M300AY05.0063-5.3 mm 63.0 73.0 5.000 6.000 P4300A90
M300AY05.0064-5.3 mm 64.0 74.0 5.000 6.000 P4300A90
M300AY05.0070-5.3 mm 70.0 80.0 5.000 6.000 P4300A90
M300AY05.0075-5.3 mm 75.0 85.0 5.000 6.000 P4300A90
M300AY05.0080-5.3 mm 80.0 90.0 5.000 6.000 P4300A90
M300AY05.0090-5.3 mm 90.0 100.0 5.000 6.000 P4300A90
M300AY05.0100-5.3 mm 100.0 110.0 5.000 6.000 P4300A90
M300AY07.50140-7.5 mm 140.0 155.0 7.500 8.500 P4300A90
M300AY07.50160-7.5 mm 160.0 175.0 7.500 8.500 P4300A90
M300AY07.5110-7.5 mm 110.0 125.0 7.500 8.500 P4300A90
4300AY00500-PROTO inch 0.5 0.802 0.151 0.203 P4300A90
4300AY00750-PROTO inch 0.75 1.052 0.151 0.203 P4300A90
4300AY01750-PROTO inch 1.75 2.115 0.183 0.218 P4300A90
4300AY02850 inch 2.85 3.345 0.248 0.281 P4300A90
4301AY00750-PROTO inch 0.75 1.052 0.151 0.203 P4301A90
4311AY02000 inch 2 2.365 0.183 0.218 P4311A90
4311AY03000 inch 3 3.495 0.248 0.281 P4311A90
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