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EPDM 70

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Inside diameter
Cable thickness
  1. X‑ring EPDM 70 Type: AS 222
    Dimensions: 37.69 x 3.53
    Part number: 500086
    Delivery time: ± 15 weeks
    More Details
  2. X‑ring EPDM 70 Type: AS 138
    Dimensions: 53.65 x 2.62
    Part number: 424119
    Delivery time: ± 15 weeks
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X-rings EPDM


X-rings are double-acting four-lipped seals with a profile of a X. The X-ring obtains its sealing function by the incorporation and compression in an axial or radial installation space. The sealing action is enhanced by fluid pressure.


Applications

X-rings are similar to an O-ring. For example, they serve as a radial and axial sealing of covers, bushings, and flanges or as sealing of piston and piston-rod, rotating shafts and covered helical movements. X-rings are mainly used for dynamic applications, because they need lesspressure than O-rings, and produce less friction. They also often are used for static applications and for reciprocating movements.


Benefits X-ring:

  • Optimal sealing effect through improved pressure distribution
  • X-rings require a small radial bias voltage, resulting in the reduced adhesion
  • No adverse influence by non-woven, because the seal is positioned between the sealing lips
  • Great stability in dynamic use, since the X-ring does not tend to start to roll in the groove


EPDM has good resistance to:

  • hot water and hot steam
  • many polar solvents (e.g., alcohols, ketones, esters)
  • many organic and inorganic acids and bases
  • washing brines
  • silicone oils and silicone greases
  • glycol-based brake fluids (special grades required)
  • ozone, weathering, ageing


EPDM is not resistant to:

  • all kinds of mineral oil products (oils, greases, fuels)


Application temperature range:

  • -45°C to +130°C (sulfur cured)
  • -55°C to +150°C (peroxide cured)


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