Leybold · DURADRY Dry screw vacuum pumps
DURADRY 250
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Image: Leybold
- Pumping speed
- 250 m³/h
- Noise level
- 64 dB(A)
- Motor power
- 7.5 kW
Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.
Technical data
Source: Leybold product page · retrieved 2026-10-01| As published | Value | /Outlet Flange | Range | with Silencer | as printed: "motor: rated power" | as printed: "Full Load Power"; 10 hp |
|---|---|---|---|---|---|---|
| Ultimate Vacuum Ultimate pressure | ||||||
| Peak Pumping Speed Pumping speed | ||||||
| Maximum Rotor Speed | ||||||
| Inlet/Outlet Flange Inlet connection | ||||||
| Dimensions | ||||||
| Ultimate Power | ||||||
| Full Load Power | ||||||
| Connection | 3/8 inch BSP Female(G 3/8") 3/8 inch BSP Female(G 3/8") /8 inch BSP Female(G 3/8") 3/8 inch BSP Female(G 3/8") inch oem source Source · 2026-10-01 | |||||
| Cooling Flow (Always On) | ||||||
| Maximum Supply Pressure | ||||||
| Temperature | ||||||
| Pressure | ||||||
| Shaft Seal Flow (Always on) | ||||||
| Gas Ballast Flow (Manual Adj.) | ||||||
| Ambient Temperature Range Ambient temperature | ||||||
| Noise Level with Silencer Noise level | ||||||
| Maximum Exhaust Back Pressure | ||||||
| Oil | ||||||
| Motor power | ||||||
| Power consumption |
Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.
R a min–max range as published, not a single rating
Same family: DURADRY 160
Reviewed operating performance · 60 Hz
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