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RS-73

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  1. Zwolle 513 items
  2. Central warehouse 24 items
  1. Rod Seal PU Type: RS-73
    Dimensions: 10 x 16 x 5.3 x 4.5
    Part number: 54339
    In Stock
    More Details
  2. Rod Seal PU Type: RS-73
    Dimensions: 10 x 18 x 6.5 x 5.5
    Part number: 87703
    In Stock
    More Details
  3. Rod Seal PU Type: RS-73
    Dimensions: 10 x 20 x 8 x 7
    Part number: 87702
    In Stock
    More Details
  4. Rod Seal PU Type: RS-73
    Dimensions: 10 x 20 x 9 x 8
    Part number: 87704
    In Stock
    More Details
  5. Rod Seal PU Type: RS-73
    Dimensions: 100 x 108 x 12.5 x 11.5
    Part number: 75638
    Delivery time: 2-4 days
    More Details
  6. Rod Seal PU Type: RS-73
    Dimensions: 100 x 110 x 11 x 10
    Part number: 6538617
    In Stock
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544 items

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RS-73


Description

The RS-73 is a single acting rod seal designed to have inner lip shorter than the outer lip and additional sealing lip which improves the leakage behavior and, at the same time, prevents the penetration of dirt from the wiper side. The standard material of the RS-73 is Polyurethane.


Product advantages

  • high wear resistant
  • superior static and dynamic sealing effect
  • secondary sealing lip provides extra protection against the ingress of dirt particles
  • wide range of dimensions
  • easy assembly into closed grooves
  • simple groove design
  • economical sealing solution


Applications

  • construction machinery
  • injection moulding machines
  • fork-lift trucks
  • agricultural machinery
  • loading platforms
  • standard cylinders


Operating conditions

Media Mineral oils (DIN 51524) HFA and HFB HFC
Temperature (min.) °C -30 +5 -30
Temperature (max.) °C +100 +50 +40
Pressure Bar ≤400 ≤400 ≤400
Speed m/sec  ≤0,5  ≤0,5  ≤0,5


Drawing RS-73

tol. groove dimensions:
d (f8)
D (H11)/D (H11)
B (-0/+0.2)


Installation

Easily assembled into closed grooves according to the minimum diameter values that are given in the below table. Open grooves or special assembly tools should be used for the values that are outside this table. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the seal must be oiled with system oil.


Surface roughness  Ra Rmax
Sliding Surface ØD-Ød ≤0.4 μm ≤3.2 μm
Groove Base ØDb-Ødp ≤1.6 μm ≤10 μm
Groove Flanks B ≤3.2 μm ≤16 μm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.


Minimum diameter values for closed type of grooves

(D-d)/2 (mm.) 4 5 6 7,7 10 12,5 15
dmin (mm.) 25 30 40 50 80 100 105


Sealing gap

permissible sealing gap PU PU PU
t=(D-d)/2 (Bar) 150 250 400
t≤5 0,30 0,20 0,15
t>5  0,35 0,25 0,20

Note: The largest sealing gap value occurring on the non-pressurized side of the seal does have a vital importance for the function of the seal and in this respect it is quite important to use the S value lower than the above indicated numbers.


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