O-Ring Groove Chart


 
 

O-Ring Groove Information
 		 The O-Ring Store LLC

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.

O-Ring Groove

 

 

 

 

    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

 

 

 

Metric O-Ring Groove Information
 		 The O-Ring Store LLC
Metric o-ring groove designs vary greatly and choosing the right one for your application is important for maximum o-ring performance. This metric o-ring groove design reference guide will help you find the right radius, back-up, pressure and other o-ring dimensions for basic applications.

O-Ring Cross Section

(L) Cylinder Groove Depth

(G) Cylinder Groove Width No Back Up Rings

(G) Cylinder Groove Width One Back Up Ring

(G) Cylinder Groove Width Two Back Up Rings

(L) Flange Groove Depth

(G) Flange Groove Width

(R) Radius without back up ring

(R) Radius with back up ring

1.0

0.8

1.4

–

–

0.65

1.4

0.2

0.2

1.2

0.95

1.7

–

–

0.8

1.7

0.2

0.2

1.3

1.05

1.8

–

–

0.9

1.8

0.2

0.2

1.5

1.2

2.1

–

–

1.0

2.1

0.2

0.2

1.6

1.3

2.2

–

–

1.1

2.2

0.3

0.2

1.9 & 2.0

1.65

2.5

3.9

5.3

1.4

2.5

0.5

0.2

2.4

2.0

3.2

4.6

6.0

1.7

3.2

0.5

0.3

2.5

2.1

3.4

4.8

6.2

1.8

3.4

0.5

0.3

2.6

2.25

3.6

5.0

6.4

1.9

3.6

0.6

0.3

2.7

2.3

3.7

5.1

6.5

1.95

3.7

0.6

0.3

3.0

2.5

3.9

5.3

6.7

2.2

3.9

0.8

0.3

3.15

2.7

4.0

5.4

6.8

2.3

4.0

0.8

0.4

3.5

3.1

4.8

6.2

7.6

2.7

4.8

1.0

0.4

4.0

3.5

5.4

7.1

8.8

3.1

5.4

1.0

0.4

4.5

4.0

6.0

7.7

9.4

3.4

6.0

1.0

0.4

5.0

4.3

6.7

8.4

10.1

3.9

6.7

1.0

0.4

5.5

4.8

7.3

9.0

10.7

4.4

7.3

1.2

0.6

5.7

5.0

7.7

9.4

11.1

4.6

7.7

1.2

0.6

6.0

5.3

8.2

9.9

11.6

4.8

8.2

1.2

0.6

6.35

5.6

8.7

10.4

12.1

5.1

8.7

1.2

0.6

6.5

5.7

8.9

10.6

12.3

5.4

8.9

1.2

0.6

7.0

6.1

9.5

12.0

14.5

5.8

9.5

1.5

0.6

7.5

6.5

14.4

12.9

15.4

6.2

10.4

1.5

0.6

8.0

7.0

11.0

13.5

16.0

6.6

11.0

1.5

0.6

8.4

7.5

11.7

14.2

16.7

6.9

11.7

2.0

0.6

9.0

7.8

12.5

15.0

17.5

7.4

12.5

2.0

0.6

9.5

8.3

13.3

15.8

18.3

7.8

13.3

2.0

0.6

10.0

8.7

13.5

16.0

18.5

8.3

13.5

2.0

0.6

11.0

9.6

15.5

18.0

20.5

9.1

15.5

3.0

0.6

12.0

10.5

16.8

19.3

21.8

10.3

16.8

3.0

0.6

14.0

12.2

19.0

21.5

24.0

11.6

19.0

3.0

0.6

15.0

13.2

20.0

22.5

25.0

12.5

20.0

3.0

0.6

16.0

14.0

21.5

24.0

26.5

13.5

21.5

3.0

0.6

Information within is believed to be accurate and reliable. However, The O-Ring Store, LLC makes no warranty, expressed or implied, that parts supplied in this material will perform satisfactorily in specific applications. It’s the customer’s responsibility to evaluate the material prior to use.

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1847 Wilma Dr, Clarkston WA 99403
Phone 208-413-6377 - Fax 208-413-6719