DanaStrip Wear Rings G
Piston & Rolls

DanaStrip is available with diamond pattern for constant high-quality lubrication. This is a universal guide band designed for moderate side loads. DanaStrip is chemically resistant to nearly all media. DanaFlon 29 is recommended for lubricated applications, and DanaFlon 32 for dry applications. Friction is extremely low and the diamond version reduces the friction further. This material is able to absorb foreign particles

Product details
Technical details

Advantages:

  • Optional diamond pattern
  • Low friction
  • No stick-slip
  • Extreme chemical resistance
  • Absorbance of foreign particles

Application Examples

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

Working conditions:

  • Radial side load: 5 N/mm² projected area
  • Temperature: -30 to +90
  • Application: Intensive movement
  • Speed: 15 m/s
  • Diameter range: 8 to *3000 mm
  • Seals larger than 1000 mm please contact us for design details
Frequently used - DanaFlon Material
Guide ring    –200 to +260 °C
Basis PTFE
DanaFlon 29
Filler Bronze & Additives
Colour Brownish 
Lubricating media yes
Extreme wear resistance  (yes)
Wide range of media no
Non-lubricating media no
Conforms to food regulation  no
Alternative solution - DanaFlon Material
Guide ring    –200 to +260 °C   –200 to +260 °C   –200 to +260 °C
Basis PTFE PTFE PTFE
DanaFlon 32 16 12
Filler Carbon & Graphite Mineral & MoS2 Ekonol
Colour Dark Black Blue / Gray  Beige / Sand
Lubricating media yes yes yes
Extreme wear resistance  (yes) (yes) (yes)
Wide range of media yes yes (YES)
Non-lubricating media yes YES (YES)
Conforms to food regulation  no no 1935/2004/EC

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.

DanaStrip Wear Rings G
Piston & Rolls

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
G155-025 8 - 20 øA - 3.1 2.5 1.55 øB - 0,8
G155-040 10 - 50 øA - 3.1 4.0 1.55 øB - 0,8
G250-056 16 - 140 øA - 5.0 5.6 2.50 øB - 1,6
G250-097 60 - 220 øA - 5.0 9.7 2.50 øB - 1,6
G250-150 130 - 400 øA - 5.0 15.0 2.50 øB - 1,6
G250-250 280 - 2000 øA - 5.0 25.0 2.50 øB - 1,6
G400-097 100 - 999.9 øA - 8.0 9.7 4.00 øB - 2,0
G400-250 280 - 2000 øA - 8.0 25.0 4.00 øB - 2,0
Order example - DanaStrip wear ring for 50 mm bore

Diamond pattern, improves lubrication
and minimizes friction 

Lenght calculation for bore diameter ø50

3,11*(øA-W)-k
3,11*(50-1,55)-0,5= 150,2 or 150 mm

K=0,5 (operating temperature 60 °C to 90 °C)
K=2,0 (operating temperature > 90 °C)

Order example - DanaStrip rolls

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