AST 70 Dimensions
Mechanical Seals and Gasket Supply is our Specialty.
American Seal and Packing is a leading manufacturer & distributor of mechanical seals, Grafoil, gasket material, cut gaskets and quality o-rings providing innovative solutions to mechanical seal problems.
We're finding better ways to serve our customers all the time. In addition to our expanding line of industrial mechanical seals, we're updating and upgrading this web site to provide you more information about our company and our products.
|
AST 70 SINGLE CARTRIDGE SEAL |
|
The AST 70 seal requires 3/8 inch radial cross section
space in shaft sizes through 2.500 inches, and 1/2 inch cross section in
larger sizes. The standard gland is slotted to accommodate a range
of bolt circles. Seals are also available from stock to fit popular
pumps with oversize seal
chambers. |

| SHAFT SIZE |
ROTARY OD |
MINIMUM BOX BORE |
GLAND O-RING |
GLAND OD |
| ID |
OD |
| 1.000 |
1.69 |
1.750 |
1.88 |
2.25 |
4.09 |
| 1.125 |
1.81 |
1.875 |
2.00 |
2.38 |
4.22 |
| 1.250 |
1.94 |
2.000 |
2.13 |
2.50 |
4.34 |
| 1.375 |
2.06 |
2.125 |
2.25 |
2.63 |
4.47 |
| 1.438 |
2.19 |
2.250 |
2.38 |
2.75 |
4.97 |
| 1.500 |
2.19 |
2.250 |
2.38 |
2.75 |
4.97 |
| 1.625 |
2.31 |
2.375 |
2.50 |
2.88 |
4.97 |
| 1.688 |
2.44 |
2.500 |
2.63 |
3.00 |
5.47 |
| 1.750 |
2.44 |
2.500 |
2.63 |
3.00 |
5.47 |
| 1.875 |
2.56 |
2.625 |
2.75 |
3.11 |
5.47 |
| 1.938 |
2.69 |
2.750 |
2.88 |
3.25 |
5.47 |
| 2.000 |
2.69 |
2.750 |
2.88 |
3.25 |
5.47 |
| 2.125 |
2.81 |
2.875 |
3.00 |
3.38 |
5.97 |
| 2.188 |
2.94 |
3.000 |
3.13 |
3.50 |
6.22 |
| 2.250 |
2.94 |
3.000 |
3.13 |
3.50 |
6.22 |
| 2.375 |
3.06 |
3.125 |
3.25 |
3.63 |
6.22 |
| 2.438 |
3.19 |
3.250 |
3.38 |
3.75 |
6.47 |
| 2.500 |
3.19 |
3.250 |
3.38 |
3.75 |
6.47 |
| 2.625 |
3.54 |
3.625 |
3.75 |
4.13 |
7.63 |
| 2.750 |
3.66 |
3.750 |
3.88 |
4.25 |
7.75 |
| 2.875 |
3.79 |
3.875 |
4.00 |
4.38 |
7.88 |
| 3.000 |
3.91 |
4.000 |
4.13 |
4.50 |
8.00 |
| 3.125 |
4.04 |
4.125 |
4.25 |
4.63 |
8.13 |
| 3.250 |
4.16 |
4.250 |
4.38 |
4.75 |
8.25 |
| 3.375 |
4.29 |
4.375 |
4.50 |
4.88 |
8.38 |
| 3.500 |
4.41 |
4.500 |
4.63 |
5.00 |
8.50 |
| 3.625 |
4.54 |
4.625 |
4.75 |
5.13 |
8.63 |
| 3.750 |
4.66 |
4.750 |
4.88 |
5.25 |
8.75 |
| 3.875 |
4.79 |
4.875 |
5.00 |
5.38 |
8.88 |
| 4.000 |
4.91 |
5.000 |
5.13 |
5.50 |
9.00 |
|