DanaScraper 2 W470

DanaScraper 2 is the double wiper activated by two O-rings. Using two O-rings optimises the activation load on the profile ring. The wiper has a long service life, low friction and excellent wiping effect. The wiper together with the housing are completely sealed, which prevents dirt pockets between housing and rod.

Product details
Technical details
Extreme chemical resistance
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Advantages:

  • Special design for cylinders in a vertical position with the dirt side facing upwards
  • Support by two O-rings
  • Heavy-duty applications
  • High wiper efficiency
  • Secondary sealing lip
  • High wear resistance

Application Examples

  • Heavy-duty applications such as cylinders for rolling mills

Working conditions:

  • Temperature:
    NBR O-ring: -30 to +100, FPM O-ring: -10 to +200
  • Application: Intensive movement
  • Speed: 15 m/s
  • Diameter range: 100 to *1320 mm
  • Action: Double-acting
  • Seals larger than 1000 mm please contact us for design details
Frequently used - DanaFlon Material
Wipers   –200 to +260 °C
PTFE		  –60 to +80 °C
60 Shore D
Polyurethane		  –60 to +80 °C
Short duration: 120 °C
UHMWPE
DanaFlon 24 84 91
Filler Bronze & Additives Virgin Virgin
Colour Brownish  Red White
Extreme form stability and extrusion resistance yes (yes) (yes)
Lubricating media yes yes yes
Extreme wear resistance  (yes) (yes) yes
Wide range of media no yes yes
Non-lubricating media no yes yes
Food applications no no yes
Conforms to food regulation  no no FDA, EU 10/2011
Alternative solution - DanaFlon Material
Wipers   –200 to +260 °C
PTFE
DanaFlon 32
  Carbon & Graphite
Colour and filler Dark Black
Extreme form stability and extrusion resistance (yes)
Lubricating media yes
Extreme wear resistance  (yes)
Wide range of media yes
Non-lubricating media yes
Food applications no
Conforms to food regulation  no

O-rings may limit the temperature range and need to be compatible with the media.

The performance of the seal will always depend on the overall picture of the working conditions.

Verification can only be done by testing the seal in the actual working conditions.

DanaScraper 2 W470

Technical details

Here you can see the technical details

Series Rod
øB f8/h8		 øA H8 G + 0,2- 0 R1 øD1H8 m + 0- 0,1
W47 03 100 - 229,9 øB + 22,2 6,3 1,2 øB + 10,7 4,2
04 230 - 299,9 øB + 24,2 6,3 1,2 øB + 10,7 4,2
05 300 - 629,9 øB + 33,0 8,1 1,2 øB + 15,1 6,3
06 630 - 1320,0 øB + 36,5 9,5 1,2 øB + 15,1 6,3

Order example - DanaScraper for 190 mm rod:

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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