Pumping unit with a Roots blower
SR500
The SR500 combines a Roots blower and a rotary pump for high-throughput vacuum processes. Maximum pumping speed of the unit: 450 m³/h; ultimate pressure: 1 × 10⁻² hPa.
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Technical specifications
| Roots pump capacity (m³/h) | 500 |
|---|---|
| Rotary pump capacity (m³/h) | 250 |
| Ultimate pressure (hPa) | 1 × 10⁻² |
| Maximum pumping speed of the unit (m³/h) | 450 |
| Roots pump motor power (kW) | 1,5 |
| Rotary pump motor power (kW) | 7,5 |
| Weight (kg) | 350 |
| Power supply (V/Hz) | 400/50 |
| Noise level (dB (A)) | 80 |
| Roots pump oil capacity (l) | 1,3 |
| Rotary pump oil capacity (l) | 6 |
| Intake connection | NW100 |
| Overall dimensions (mm) | 1040 x 670 x 1003 |
Table notation: [1φ] — single-phase supply; [3φ] — three-phase supply. “Not specified” means the value must be confirmed for that configuration.
Pumping performance chart
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