4.3 Face Type Seals
“Face type seals are sometimes rectangular. In designing such
a seal to receive a standard O-ring, the inside corner radii of
the groove should be at least three times (ideally six times) the
cross-section diameter of the O-ring to avoid over-stressing
the ring or causing corner creases that would potentially leak.
”
The cross section of the o ring is 0.139 inches
The minimum internal bend radius is 3*0.139 = 0.417
This had to be adjusted within the design
Page 4-18 in the parker handbook
Page 4-25 in the parker handbook
Diametral clearance.
The O-ring we are looking for has a dash number of 255
5.609 + 0.005 = 5.614
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