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Class 3000 · Steel to Steel Seat or Steel to Brass Seats · MSS-SP-83
| Pipe Size | 1/81 | 1/42 | 3/81 | 1/21 | 3/41 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| Dimension A | 1.69 | 1.69 | 1.85 | 1.96 | 2.28 | 2.49 | 2.82 | 3.05 | 3.45 | 4.13 | 4.31 | -- |
| Dimension B | 1.38 | 1.38 | 1.57 | 1.85 | 2.20 | 2.56 | 3.06 | 3.42 | 4.09 | 4.88 | 5.75 | -- |
| Dimension C | 0.88 | 0.88 | 1.03 | 1.23 | 1.47 | 1.80 | 2.18 | 2.47 | 3.03 | 3.65 | 4.40 | -- |
| Dimension D | .438 | .438 | .563 | .500 | .562 | .625 | .687 | .750 | .875 | .875 | 1.00 | -- |
| Dimension E | .425 | .560 | .695 | .860 | 1.070 | 1.335 | 1.680 | 1.920 | 2.411 | 2.914 | 3.543 | -- |
| Approx. Wt. # | .34 | .34 | .49 | .68 | 1.19 | 1.68 | 2.54 | 3.33 | 5.30 | 8.60 | 12.70 | -- |
Class 6000 · Steel to Steel Seat
| Pipe Size | 1/81 | 1/42 | 3/81 | 1/21 | 3/41 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| Dimension A | 1.69 | 1.83 | 1.96 | 2.28 | 2.49 | 2.82 | 3.05 | 3.45 | 4.13 | -- | -- | -- |
| Dimension B | 1.38 | 1.57 | 1.85 | 2.20 | 2.56 | 3.06 | 3.42 | 4.09 | 4.88 | -- | -- | -- |
| Dimension C | 0.88 | 1.03 | 1.23 | 1.46 | 1.80 | 2.18 | 2.47 | 3.03 | 3.74 | -- | -- | -- |
| Dimension D | .438 | .438 | .563 | .563 | .625 | .750 | .812 | .875 | 1.00 | -- | -- | -- |
| Dimension E | .425 | .560 | .695 | .860 | 1.070 | 1.335 | 1.680 | 1.920 | 2.411 | -- | -- | -- |
| Approx. Wt. # | .34 | .49 | .68 | 1.19 | 1.68 | 2.54 | 3.33 | 5.30 | 8.60 | -- | -- | -- |