A 124 HPumping speed 95 m³/hUltimate pressure 0.05 mbar
A 204 H/X
The Pfeiffer A 204 H/X is a dry multi-stage Roots pump with a nominal pumping speed of 130 m³/h (50 Hz) or 160 m³/h (60 Hz) and an ultimate pressure of 0.2 mbar. Ehrler & Beck advises on selection and service.
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- Pumping speed 130 m³/h 50 Hz 160 m³/h 60 Hz
- Ultimate pressure 0.2 mbar
Pfeiffer A 204 H/X – dry multi-stage Roots pump
The Pfeiffer A 204 H/X is a dry multi-stage Roots pump. The nominal pumping speed is 130 m³/h (50 Hz) or 160 m³/h (60 Hz), the ultimate pressure 0.2 mbar.Features
- Flexible: settings can be adapted to the process requirements
- Robust: temperature management, corrosion-resistant material, protection against premature wear and condensation
- Efficient: dry and energy-saving
Typical applications
Pfeiffer lists: Dairy products (cheese production – vacuum chambers for cheese, cheese production – cheese towers, butter production); Displays (physical vapour deposition (PVD)); Semiconductors (low-pressure chemical vapour deposition (LPCVD)/diffusion, stripping/ashing, PVD and others); Solar (cell production); Thin-film coating (laboratory coating).Advice and service
Ehrler & Beck advises on selection, accessories and service.| Pumping speed 50Hz | 130 |
|---|---|
| Pumping speed 60Hz | 160 |
| Ultimate pressure | 0.2 |
| Weight | 250 |
| Length | 96.1 |
| Width | 38.8 |
| Height | 57.9 |
| Inlet connection flange | DN 50 |
| Outlet connection flange | DN 40 |
| Noise level | 68 dB(A) |
| Cooling method | Water cooling |
| Oil type | Oil-free |
Convert units: vacuum and pressure units · Nm³/h to m³/h
Additional technical data
| Technical data | Value |
|---|---|
| Nominal pumping speed | 130 m³/h (50 Hz) / 160 m³/h (60 Hz) |
| Ultimate pressure | 2 · 10⁻¹ mbar (50 Hz) / 5 · 10⁻² mbar (60 Hz) |
| Power consumption at ultimate pressure | 1.6 kW (50 Hz) / 1.8 kW (60 Hz) |
| Sound pressure level | < 68 dB(A) |
| Cooling water flow | 2.3 – 4 l/min |
| Dimensions (L × W × H) | 961 × 388 × 579 mm |
| Weight (approx.) | 250 kg |
| Gas inlet | DN 50 |
| Gas outlet | DN 40 |
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