Technical Handbook Orings In designing an Oring seal, it is important to determine the Oring compound early, as the compound selected may have an influence on the gland design The application determines the rubber compound, the primary factor being the fluid to be sealed But the elastomer must also resist extrusion when exposed to the maximum2 Remove the O ring from the edge of the piston 3 Place a new O ring onto the edge of the piston Use finger tip to apply a small amount of the seal lubricant (Cat # 9030) to the O ring and the edges of the piston 4 Install new prelubricated seal into housing 5 Carefully insert the body into the nose and screw together to a firm stop 6It is a loop of elastomer with a round crosssection, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface The Oring may be used in static applications or in dynamic applications where there is relative motion
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