Dana Heavy Wear Rings HP803 – Piston

The Dana Heavy Wear ring is a universal guide ring for lubricated applications. Even when subjected to very high side loads, deformation of the material is extremely small. This is simply the best way to ensure that there is no metallic contact between piston and bore.

Product details
Technical details

Advantages:

  • Very small deformation even when subjected to high side loads
  • Resistance to hydraulic fluids

Application Examples

  • Mobile hydraulics
  • Standard cylinders
  • Machine tools
  • Injection moulding machines
  • Presses
  • Servo cylinders

Working conditions:

  • Radial side load: 50N/mm² projected area
  • Temperature: -30 to +80
  • Application: Intensive movement
  • Speed: 1 m/s
  • Diameter range: 300 to *1500 mm
  • Seals larger than 1000 mm please contact us for design details
Most Common Material DanaFlon
Guide ring  –30 to +100 °C
Basis Thermopolyester resin
Synthetic fabric
DanaFlon 803
Filler Aditive 
Colour Blue
Lubricating media yes
Extreme wear resistance  yes
Wide range of media (yes)
Non-lubricating media (yes)

The performance of the wear ring will always depend on the overall picture of the working conditions. Verification can only be done by testing the wear ring in the actual working conditions.

Dana Heavy Wear Rings HP803 – Piston

Technical details

Here you can see the technical details

Series Bore Diameter Groove Diameter Groove Width Ring Thickness øDG h9
øA øB h7
G + 0,2- 0 W
HP250-097 300 - 1500 øA - 5 9.7 2.5 øB - 1,6
HP250-150 300 - 1500 øA - 5 15.0 2.5 øB - 1,6
HP250-250 300 - 1500 øA - 5 25.0 2.5 øB - 1,6
Order example - DanaHeavy wear ring 350 mm bore
Straight Cut 90° - Code 3

Delivery times

For special requests, please complete our Request form or call us on +45 4922 4400.

Request form
+45 4922 4400

Since the founding in 1992, Dana-Seals has strived to be the customer’s preferred go-to supplier for standard and advanced sealing solutions for hydraulic and pneumatic equipment

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Engineering request form

Please fill in the form below and we would appreciate it if you attach eventual drawings of hardware or seals to clarify technical demands.