| Technical data | 50 Hz | Cat WD | | WD 0032 A | WD 0040 A | WD 0050 A | | Nominal displacement | m³/min | 0.36 - 1.0 | 0.45 - 2.65 | 0.82 - 3.22 | | Max. differential pressure, vacuum version | hPa(mbar) | 500 | 500 | 500 | | Max. differential pressure, over pressure version | hPa(mbar) | 600 | 600 | 600 | | Nominal motor rating | kW | 0.37 - 2.2 | 0.37 - 4.0 | 0.75 - 5.5 |
| Technical data | 60 Hz | Cat WD | | WD 0032 A | WD 0040 A | WD 0050 A | | Nominal displacement | m³/min | 0.36 - 1.0 | 0.45 - 2.65 | 0.82 - 3.22 | | Max. differential pressure, vacuum version | hPa(mbar) | 500 | 500 | 500 | | Max. differential pressure, over pressure version | hPa(mbar) | 600 | 600 | 600 | | Nominal motor rating | kW | 0.37 - 2.2 | 0.37 - 4.0 | 0.75 - 5.5 |
| Technical data | 50 Hz | Dingo WN | | WN 0050 A | WN 0065 A | WN 0080 A | WN 0100 A | | Nominal displacement | m³/min | 1.2 - 4.4 | 1.7 - 5.8 | 2.8 - 10.0 | 4.0 - 12.5 | | Max. differential pressure, vacuum version | hPa(mbar) | 500 | 500 | 500 | 500 | | Max. differential pressure, over pressure version | hPa(mbar) | 600 | 600 | 600 | 600 | | Nominal motor rating | kW | 1.1 - 7.5 | 1.1 - 11.0 | 1.1 - 18.5 | 2.2 - 18.5 |
| Technical data | 60 Hz | Dingo WN | | WN 0050 A | WN 0065 A | WN 0080 A | WN 0100 A | | Nominal displacement | m³/min | 1.2 - 4.4 | 1.7 - 5.8 | 2.8 - 10.0 | 4.0 - 12.5 | | Max. differential pressure, vacuum version | hPa(mbar) | 500 | 500 | 500 | 500 | | Max. differential pressure, over pressure version | hPa(mbar) | 600 | 600 | 600 | 600 | | Nominal motor rating | kW | 1.1 - 7.5 | 1.1 - 11.0 | 1.1 - 18.5 | 2.2 - 18.5 |
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