O-Seal System
Engineering Data
O-Ring Sizes for Tailpieces
| CPV Dash No. |
Pipe Size |
Tube OD |
AS 568 Dash No. |
OD |
OD |
W |
| —0A |
1/8 |
1/4 |
012 |
3/8 |
1/2 |
1/16 |
| —1A |
1/4 |
3/8 |
114 |
5/8 |
13/16 |
3/32 |
| —2A |
3/8 |
1/2 |
210 |
3/4 |
1 |
1/8 |
| —3A |
1/2 |
3/4 |
212 |
7/8 |
1 1/8 |
1/8 |
| —4A |
3/4 |
1 |
214 |
1 |
1 1/4 |
1/8 |
| —5A |
1 |
1 1/4 |
217 |
1 3/16 |
1 7/16 |
1/8 |
| —6A |
1 1/4 |
1 1/2 |
222 |
1 1/2 |
1 3/4 |
1/8 |
| —7A |
1 1/2 |
2 |
224 |
1 3/4 |
2 |
1/8 |
| —8A |
2 |
- |
227 |
2 1/8 |
2 3/8 |
1/8 |
| —9A |
2 1/2 |
- |
229 |
2 3/8 |
2 5/8 |
1/8 |
Note: O-rings can be supplied in all compounds.
When ordering, specify compound and/or service.
O-Ring Sizes for Cat.
No. 59R and 59T (BOSS)
| CPV Size No. |
Pipe Size |
Tube OD |
AS 568 Dash No. |
Boss Thread |
ID |
W |
| —0D |
1/8 |
1/4 |
904 |
7/16-20 |
0.351 |
0.072 |
| —1D |
1/4 |
3/8 |
906 |
9/16-18 |
0.468 |
0.078 |
| —2D |
3/8 |
1/2 |
908 |
3/4-16 |
0.644 |
0.087 |
| —3D |
1/2 |
3/4 |
912 |
1 1/16-12 |
0.924 |
0.116 |
| —4D |
3/4 |
1 |
916 |
1 5/16-12 |
1.171 |
0.116 |
| —5D |
1 |
1 1/4 |
920 |
1 5/8-12 |
1.475 |
0.118 |
| —6D |
1 1/4 |
1 1/2 |
924 |
1 7/8-12 |
1.720 |
0.118 |
| —7D |
1 1/2 |
2 |
932 |
2 1/2-12 |
2.337 |
0.118 |
Cv Factors for O-Seal
System Valves
| CPV Dash No. |
Pipe Size |
Tube OD |
Globe *(1) |
Angle *(2) |
In-Line Check Valve |
| —0 |
1/8 |
1/4 |
.5 |
.7 |
2.5 |
| —1 |
1/4 |
3/8 |
1.1 |
1.6 |
2.5 |
| —2 |
3/8 |
1/2 |
2.3 |
3.3 |
2.5 |
| —3 |
1/2 |
3/4 |
3.1 |
4.3 |
3.2 |
| —4 |
3/4 |
1 |
5.0 |
7.0 |
5.0 |
| —5 |
1 |
1 1/4 |
8.9 |
12.5 |
10.0 |
| —6 |
1 1/4 |
1 1/2 |
13.8 |
19.3 |
16.4 |
| —7 |
1 1/2 |
2 |
22.0 |
30.8 |
22.5 |
| —8 |
2 |
- |
36.0 |
50.0 |
37.0 |
Globe (1)* ANGLE
(2)*
*(1) Cv factors for Globe valves apply to Catalog Nos. 370, 380,
470, 480, 570, 580, 670 and 680
*(2) Cv factors for Angle valves apply to Catalog Nos. 371, 381, 471,
481, 571, 581, 671 and 681
O-Ring Straight Thread Boss MS-16142
| CPV Dash No. |
Pipe Size |
Tube OD |
Thread T |
A
+.005
-.000 |
B
Min |
C
Min |
D
+.015
-.000 |
E
±1° |
F
Min. |
G
Max. |
| —0 |
1/8 |
1/4 |
7/16-20-2B |
0.487 |
0.454 |
0.172 |
0.093 |
12° |
0.828 |
0.062 |
| —1 |
1/4 |
3/8 |
9/16-18-2B |
0.616 |
0.500 |
0.297 |
0.097 |
12° |
0.969 |
0.062 |
| —2 |
3/8 |
1/2 |
3/4-16-2B |
0.811 |
0.562 |
0.391 |
0.100 |
15° |
1.188 |
0.094 |
| —3 |
1/2 |
3/4 |
1 1/16-12-2B |
1.148 |
0.750 |
0.609 |
0.130 |
15° |
1.625 |
0.094 |
| —4 |
3/4 |
1 |
1 5/16-12-2B |
1.398 |
0.750 |
0.844 |
0.130 |
15° |
1.910 |
0.125 |
| —5 |
1 |
1 1/4 |
1 5/8-12-2B |
1.713 |
0.750 |
10.78 |
0.132 |
15° |
2.270 |
0.125 |
| —6 |
1 1/4 |
1 1/2 |
1 7/8-12-2B |
1.962 |
0.750 |
1.312 |
0.132 |
15° |
2.560 |
0.125 |
| —7 |
1 1/2 |
2 |
2 1/2-12-2B |
2.587 |
0.750 |
1.781 |
0.132 |
15° |
3.480 |
0.125 |
NOTE: Diagrams and dimensions are shown for descriptive purposes only.
For details, consult the factory.
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