Reference Charts
| Pressure Conversion |
|---|
| 1.0 Standard Atmosphere is equivalent to: |
| 14.696 psi |
| 406.8 in of H2O |
| 29.921 in of Hg |
| 760 mm of Hg |
| 1.0332 kg/cm² |
| 101.325 kPa |
| 1.01325 Bar |
| Suction or Steam Line Sizing |
|---|
| d = √ ( 0.051 * W * v / V ) |
d = inside diameter of steam or suction line, in inches |
| Staging Chart | ||
|---|---|---|
| No. of Stages | Operating Suction Pressure (Hg Abs.) | Closed Test Suction Pressure (Hg Abs.) |
| 1 | 3” and up | 1½” - 2” |
| 2 | 10 mm - 4” | 5 mm |
| 3 | 2mm - 15 mm | 1 mm |
| 4 | 0.25 mm - 3 mm | 50 - 100 microns |
| 5 | 0.3 mm and less | 5 - 10 microns |