
1800 Fuller Road
West Des Moines, IA 50265
Phone: 515-224-2301
Fax: 515-224-2326
E-mail: sales@checkall.com
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*Maximum nominal dimension for a fully open valve with no spring. |
| Nominal Pipe Size | Size Code | A | B | C | D* | Orifice Diameter |
| 1/2 | D | 1-3/8 | 0.62 | 1.38 | N/A | 0.348 |
| 3/4 | F | 1-3/4 | 0.82 | 1.38 | N/A | 0.464 |
| 1 | H | 2 | 1.05 | 1.38 | 0.35 | 0.593 |
| 1-1/4 | I | 2-1/2 | 1.38 | 1.63 | 0.27 | 0.890 |
| 1-1/2 | J | 2-7/8 | 1.61 | 1.63 | 0.54 | 1.135 |
| 2 | K | 3-5/8 | 2.07 | 2.39 | 0.17 | 1.385 |
| 2-1/2 | L | 4-1/8 | 2.47 | 2.63 | 0.31 | 1.555 |
| 3 | M | 5 | 3.07 | 2.89 | 0.42 | 2.025 |
| 4 | N | 6-3/16 | 4.03 | 2.89 | 1.25 | 2.560 |