Rubber O Rings

Rubber O Rings are solid-rubber, doughnut shaped seals. When pressed between two mating surfaces, O-rings block the passage of liquids or gases. O-rings can form a static or dynamic seals. A static seal is where the O-ring does not move and is used simply for containing pressure or maintaining a vacuum. Dynamic seals can be reciprocating (like a piston and cylinder), or rotating (shaft rotating in a housing). Axial squeeze and radial squeeze are two methods for applying an O-ring. An axial squeeze is when the ring is compressed parallel to a line drawn through the centre or axis of the ring. In a radial squeeze the ring is compressed between the internal diameter (ID) and overall Diameter (OD).

O-rings are typically available in standard sizes as per industry standards. When custom o-rings are required, the width or Thickness, Insider Diameter, and Outside Diameter are important to consider. Common materials of construction for o-rings include Aflas®, VITON, SILICON, HYPALON, EPDM, TPR,NBR, NEOPRENE.

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