A 124 HPumping speed 95 m³/hUltimate pressure 0.05 mbar
A 1804 XN
The Pfeiffer A 1804 XN is a dry multi-stage Roots pump with a nominal pumping speed of 1600 m³/h (60 Hz) and an ultimate pressure of 0.0145 mbar. Ehrler & Beck advises on selection and service.
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- Pumping speed 1,600 m³/h 60 Hz
- Ultimate pressure 0.0145 mbar
Pfeiffer A 1804 XN – dry multi-stage Roots pump
The Pfeiffer A 1804 XN is a dry multi-stage Roots pump. The nominal pumping speed is 1600 m³/h (60 Hz), the ultimate pressure 0.0145 mbar.Features
- Robust: for harsh semiconductor processes, nickel coating for higher corrosion resistance, versions for processes with by-products
- Reliable: long service life
- Efficient: high-efficiency motors, little electrical heating, cost-effective
Typical applications
Pfeiffer lists: Dairy products (cheese production – vacuum chambers for cheese, cheese production – cheese towers, butter production); Semiconductors (low-pressure chemical vapour deposition (LPCVD)/diffusion, stripping/ashing, PVD and others).Advice and service
Ehrler & Beck advises on selection, accessories and service.| Pumping speed 60Hz | 1,600 |
|---|---|
| Ultimate pressure | 0.0145 |
| Weight | 540 |
| Length | 96.1 |
| Width | 38.8 |
| Height | 91.1 |
| Inlet connection flange | DN 160 |
| Outlet connection flange | DN 40 |
| Noise level | 69 dB(A) |
| Cooling method | Water cooling |
| Oil type | Oil-free |
Additional technical data
| Technical data | Value |
|---|---|
| Nominal pumping speed | 1600 m³/h (60 Hz) |
| Ultimate pressure | 1.45 · 10⁻² mbar (60 Hz) |
| Power consumption at ultimate pressure | 2.8 kW (60 Hz) |
| Sound pressure level | < 69 dB(A) |
| Cooling water flow | 2.5 – 5 l/min |
| Dimensions (L × W × H) | 961 × 388 × 911 mm |
| Weight (approx.) | 540 kg |
| Gas inlet | DN 160 |
| Gas outlet | DN 40 |
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