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VR-S10

80 items

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  1. Zwolle 79 items
  2. Central warehouse 1 item
  1. V‑ring FKM Type: VR-S10
    Dimension: 10
    Part number: 33687
    In Stock
    More Details
  2. V‑ring NBR Type: VR-S10
    Dimension: 10
    Part number: 131032
    In Stock
    More Details
  3. V‑ring FKM Type: VR-S10
    Dimension: 100
    Part number: 43042
    In Stock
    More Details
  4. V‑ring NBR Type: VR-S10
    Dimension: 100
    Part number: 131057
    In Stock
    More Details
  5. V‑ring FKM Type: VR-S10
    Dimension: 110
    Part number: 28984
    In Stock
    More Details
  6. V‑ring NBR Type: VR-S10
    Dimension: 110
    Part number: 131058
    In Stock
    More Details

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V-ring VR-S10


V-rings are rotary seals that can perform numerous jobs in their function of sealing rotating shafts:

  • sealing against the penetration of dirt, dust, water or watery pollutants
  • combination with other sealing elements, e.g.the  protection of a radial shaft sealing ring against external contamination
  • sealing against fat leaking from a housing


Advatages of V-rings:


  • diverse fields of application
  • no high requirements as regards the shaft and housing designs
  • low friction
  • high circumferential speeds are possible as a result of reduced friction
  • relatively insusceptible to coaxiality and radial eccentricity
  • long service life
  • easy installation


Structure and function


V-rings consist completely of elastomer. Their V-shaped profile consists of a relatively solid retaining part and a fl exible sealing lip that are „hinged“ together at the „V’s“ vertex. V-rings will be expanded while being installed, moved into the intended position on the shaft and cling to the shaft surface as a result of their internal stress. V-rings will rotate with the shaft and provide sealing in axialdirection against a counter face that is positioned verticallyto it. As a result of the diverse fi elds of application for Vrings the counter face can be formed by:


  • the housing itself
  • a housing cover
  • a pressed-in metal sheet
  • the face of a roller bearing’s external ring
  • the metallic stiffetc


During the shaft’s standstill, the sealing lip clings to the counter face due to its initial contact pressure. Once the shaft starts rotating, the centrifugal force acts in radialdirection on the sealing lip, while the contact pressure drops with the increasing cir-cumferential speed.
The sealing lip starts to lift off  the counter face from a circumfer-ential speed of approx. 15-20 m/s and the contact pressure drops to almost nil. The friction losses will  increase with the rising circumferential speed almostlinearly up to approx. 10 m/s. The friction losses will  decrease to 10 ... 12 m/s and drop almost to nil in the range between 15 and 20 m/s.
A V-ring‘s sealing eff ect is based on the contact between sealing lip and counter face and, additionally, on the entrifugal effect caused by the V-ring’s rotation. Once the sealing lip takes off at a very high circumferential speed, the V-ring will act as gap ring and centrifugal disk.


Construction types/designs


In order to cover the wide range of possible applications, we have 3 standard designs in stock, made of 2 diff erent materials each (NBR and FKM).

VR-A10

most commonly used standard designwith straight sealing back

VR-S10

the same design as VR-A10 in the lip area, complemented by a conically extended retain-ing part, thus providing a better seat on the shaft

VR-L10

small profile geometry for compact installation conditions uniform profile for all diameters


We can offer further construction types/designs on request, e.g.
  • VR-E10

  • VR-AX10

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