O-RING Mechanical SQUEEZE

Maximum Radial Clearance Gap to Prevent Extrusion
Clearances apply to dynamic O-Rings with no backup washers for .139 inch (3.53mm) O-Ring cross-sections and up. Smaller cross-sections do not give effective moving seal life, are less resistant to extrusion, and may be critical in sealing high frequency dynamic motion.

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Mechanical SQUEEZE for ORINGS

  
 

Mechanical SQUEEZE

Mechanical SQUEEZE for o-ring seals is determined by the groove diameter dimension (D) and the tube diameter dimension (C). When these tube dimensions and the gland depth dimensions are known, then the groove diameter can be determined by the following formula:

Description

D max. = C min. plus 2F max.
D min. = C max. plus 2F min.
F=gland depth)
Static Seal Design

 

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