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O-Ring Groove Chart

Static O-Ring Axial Face Seal Glands
Static seals exist where there is no relative motion between the mating surfaces being sealed.
CS Cross Section | DC Diametral Clearance | BR Backup Rings Measurements in inches.

Gland Squeeze Groove Width Groove
AS568B CS Depth Inches % Liquids Gases Radius
-004 to
-050
.070
.050 to
.054
.013 to
.023
19 to
32
.101 to
.107
.084 to
.089
.005 to
.015
-102 to
-178
.103
.074 to
.080
.020 to
.032
20 to
30
.136 to
.142
.120 to
.125
.005 to
.015
-201 to
-284
.139
.101 to
.107
.028 to
.042
20 to
30
.177 to
.187
.158 to
.164
.010 to
.025
-309 to
-395
.210
.152 to
.162
.043 to
.063
21 to
30
.270 to
.290
.239 to
.244
.020 to
.035
-425 to
-475
.275
.201 to
.211
.058 to
.080
21 to
29
.342 to
.362
.309 to
.314
.020 to
.035

Static O-Ring Radial Glands
CS Cross Section | DC Diametral Clearance | BR Backup Rings Measurements in inches.

Gland Squeeze Groove Width Groove
AS568B CS Depth Inches % DC 0 BR 1 BR 2 BR Radius
-004 to
-050
.070 .050 to
.052
.015 to
.023
22 to
32
.002 to
.005
.093 to
.098
.138 to
.143
.205 to
.210
.005 to
.015
-102 to
-178
.103 .081 to
.083
.017 to
.025
17 to
24
.002 to
.005
.140 to
.145
.171 to
.176
.238 to
.243
.005 to
.015
-201 to
-284
.139 .111 to
.113
.022 to
.032
16 to
23
.003 to
.006
.187 to
.192
.208 to
.213
.275 to
.280
.010 to
.025
-309 to
-395
.210 .170 to
.173
.032 to
.045
15 to
21
.003 to
.006
.281 to
.286
.311 to
.316
.410 to
.415
.020 to
.035
-425 to
-475
.275 .226 to
.229
.040 to
.055
15 to
20
.004 to
.007
.375 to
.380
.408 to
.413
.538 to
.543
.020 to
.035

Dynamic O-Ring Reciprocating Glands
Dynamic seals exist where there is relative motion between the mating surfaces being sealed.
CS Cross Section | DC Diametral Clearance | BR Backup Rings Measurements in inches.

Gland Squeeze Groove Width Groove
AS568B CS Depth Inches % DC 0 BR 1 BR 2 BR Radius
-004 to
-050
.070 .055 to
.057
.010 to
.018
15 to
25
.002 to
.005
.093 to
.098
.138 to
.143
.205 to
.210
.005 to
.015
-102 to
-178
.103 .088 to
.090
.010 to
.018
10 to
17
.002 to
.005
.140 to
.145
.171 to
.176
.238 to
.243
.005 to
.015
-201 to
-284
.139 .121 to
.123
.012 to
.022
9 to
16
.003 to
.006
.187 to
.192
.208 to
.213
.275 to
.280
.010 to
.025
-309 to
-395
.210 .185 to
.188
.017 to
.030
8 to
14
.003 to
.006
.281 to
.286
.311 to
.316
.410 to
.415
.020 to
.035
-425 to
-475
.275 .237 to
.240
.029 to
.044
11 to
16
.004 to
.007
.375 to
.380
.408 to
.413
.538 to
.543
.020 to
.035