Busch RA0255D Rotary vane vacuum pump,250 m³/h，0.1~0.5 hPa (mbar) ,7.5
Also written as: R5 RA 0255 D
Key specifications
From our own order and quotation records. Orders counted only when paid, shipped or completed — quotations are counted separately and never as orders.
Description
RA0255D — Rotary vane vacuum pump,250 m³/h，0.1~0.5 hPa (mbar) ,7.5 kW. Key specifications — Nominal pumping speed, 50/60 Hz (m³/h): 250 / 300; Ultimate pressure, gas ballast open (hPa / mbar): 1.5; Rated motor power, 50/60 Hz (kW): 7.5 / 9.2; Rated motor speed, 50/60 Hz (min⁻¹): 1500 / 1800; Sound pressure level, ISO 2151 (dB(A)): 72 / 74.
Technical data
| Nominal pumping speed, 50/60 Hz (m³/h) | 250 / 300 |
|---|---|
| Ultimate pressure, gas ballast closed (hPa / mbar) | 0.1 |
| Ultimate pressure, gas ballast open (hPa / mbar) | 1.5 |
| Rated motor power, 50/60 Hz (kW) | 7.5 / 9.2 |
| Rated motor speed, 50/60 Hz (min⁻¹) | 1500 / 1800 |
| Sound pressure level, ISO 2151 (dB(A)) | 72 / 74 |
| Water vapour capacity, gas ballast open (kg/h) | 8.2 / 9.0 |
| Oil capacity (L) | 6.5 |
| Ambient temperature range (℃) | 5 ... 40 |
| Manufacturer model designation | R5 RA 0255 D |
Manufacturer data, from the Busch R5 operating manual. Verified against the model designation; confirmed on quotation.
Need a confirmed configuration?
Share your application, target vacuum and voltage. We will match the pump or part and return a formal quote.
We build an equivalent — same duty, far lower cost
Taixing is a vacuum equipment manufacturer with its own 20,000 m2 plant and seventeen years in the industry. We build rotary vane pumps to the same duty as this imported unit, at factory-direct cost. Send your process conditions (gas, pressure range, flow) and we will match a model and quote.
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