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O-ring Rod Seal Design Guide
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Rod Seal Design Guide

"E" DIA. (Rod Size)


O-ring Cross Section
.070 in. .103 in. .139 in .210 in. .275 in.
Dash No. Act. I.D.
   
Dash No. Act. I.D.
   
Dash No. Act. I.D.
   
Dash No. Act. I.D.
   
Dash No. Act. I.D.
   

Groove Design for Reciprocating O-ring Application
Cross Section
Actual

in. (mm)
D
Groove
Depth
L
Groove Width
(+/- .005)

(0) backup ring

(1) backup ring 

  (2) backup rings

Squeeze
Recommended % Max Design limits %
2C
Diametral Clearance
Max.

Instructions: (1) Enter the "E" diameter (i.e. the rod diameter), (2) press the "Submit" button, (3) as a result, the appropriate dash no. o-rings will be listed along with their associated groove details.

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FastDash is a trademark of Seals Eastern, Inc.; OringOnline is a registered trademark of Seals Eastern, Inc.; 7182 is a trademark of Seals Eastern, Inc.; AFLAS is a registered trademark of Asahi Glass Co., Ltd.; Viton is a registered trademark of Dupont Performance Elastomers, LLC.