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RP-78

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  1. Zwolle 34 items
  1. Rod / Piston Seal PU Type: RP-78
    Dimensions: 10 x 18 x 6 x 5
    Part number: 6537883
    Delivery time: ± 2 weeks
    More Details
  2. Rod / Piston Seal PU Type: RP-78
    Dimensions: 10 x 20 x 9 x 8
    Part number: 6537890
    Delivery time: ± 2 weeks
    More Details
  3. Rod / Piston Seal PU Type: RP-78
    Dimensions: 10 x 22 x 9 x 8
    Part number: 6537892
    Delivery time: ± 2 weeks
    More Details
  4. Rod / Piston Seal PU Type: RP-78
    Dimensions: 100 x 115 x 10 x 9
    Part number: 6538621
    Delivery time: ± 2 weeks
    More Details
  5. Rod / Piston Seal PU Type: RP-78
    Dimensions: 100 x 115 x 13 x 12
    Part number: 6538627
    Delivery time: ± 2 weeks
    More Details
  6. Rod / Piston Seal PU Type: RP-78
    Dimensions: 100 x 120 x 13 x 12
    Part number: 6538630
    Delivery time: ± 2 weeks
    More Details

252 items

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RP-78


Description

The RP-78 is the natural further development of the RP-70 seal. This is a high performance all purpose lipseal suitable for boht rod an piston which combines the advantage pf a highly elastic rubber and the abrasion resistance of polyurethane.

This profile assures a good reaction against shock pressure peaks and low friction in all conditions.

The energizing O-ring guarantees a good sealing performance in the low pressure range. The material used to produce this seal is a polyurethane compound that ensures excellen properties on wear resistance, extended service lif and resistance against extrution.


Product advantages

  • good sealing performance also with low pressure
  • suitable for both rod and piston
  • economical solution
  • excellent wear resistance
  • extended service life
  • high resistance against extrusion
  • good temperature resistance
  • easy installation without expensive auxiliaries


Operation conditions

Temperature (min.) °C -40
Temperature (max.) °C +100
Pressure Bar ≤400
Speed m/sec  ≤0,5


Surface roughness

Surface roughness  Ra Rmax
Sliding Surface ØD-Ød ≤0.4 μm ≤3.2 μm
Groove Base ØDb-Ødp ≤1.8 μm ≤6.3 μm
Groove Flanks B ≤3.2 μm ≤16 μm


The largest gap dimension on non-pressure side

Bar Gap in mm.
50 1,2
100 0,8
200 0,4
300 0,25
400 0,17


Drawing RP-78


Sizes

Seal Supply d1 f8, d f7 D1 H10, D10 H10 L +0,25 M
6537925 14,00 27,00 8,00 7,00
6566111 20,00 28,00 6,20 5,70
6537996 20,00 29,00 5,50 5,00
6531720 25,00 35,00 5,50 5,00
6531744 35,00 45,00 7,00 6,00
6531719 35,00 45,00 11,00 10,00
6566108 38,10 50,80 7,35 6,35
6531722 40,00 50,00 9,00 8,00
6531721 45,00 55,00 11,00 10,00
6538325 50,00 60,00 8,00 7,00
6566116 50,80 63,50 7,35 6,35
6566117 50,80 66,67 15,28 14,28
6531723 55,00 65,00 7,00 6,00
6566119 57,15 66,67 10,52 9,52
6538409 60,00 70,00 11,00 10,00
6531717 60,00 80,00 11,00 10,00
6566124 63,50 82,55 16,87 15,87
6566125 66,67 76,20 5,26 4,76
6531714 70,00 80,00 13,00 12,00
6531718 70,00 85,00 12,00 11,00
6531716 70,00 80,00 9,00 8,00
6566126 76,20 92,07 15,28 14,28
6566127 76,20 95,25 16,87 15,87
6531715 80,00 100,00 10,50 9,50
6566130 88,90 101,60 10,52 9,52
6566129 88,90 95,42 10,52 9,52
6566131 88,90 107,95 16,87 15,87
6566133 98,42 107,95 5,26 4,76
6566135 133,35 152,40 16,87 15,87
6538714 140,00 160,00 16,00 15,00
6566137 158,75 177,80 16,87 15,87
6566142 177,80 203,20 20,05 19,05
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