Pfeiffer Vacuum+Fab Solutions · HiLobe 2703-6203
HiLobe 4503
Image: Pfeiffer Vacuum+Fab Solutions
- Max. vacuum
- 36 mbar
- Motor power
- 5.5 kW
- Noise level
- 60 dB(A)
- Weight
- 258 kg
Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.
Technical data
Source: Pfeiffer Vacuum+Fab Solutions product page · retrieved 2026-10-02| As published | ISO | ISO; at max. rotational speed | ISO; max. at min. rotational speed | ISO; at full rotational speed | ISO; pressure | ISO; flow | ISO; temperature | ISO; (EN ISO 2151) at inlet pressure 1 hPa | ISO; approx. | ISO; (L x W x H) |
|---|---|---|---|---|---|---|---|---|---|---|
| Nominal pumping speed Pumping speed | ||||||||||
| Max. differential pressure at max. rotational speed Max. vacuum | ||||||||||
| Max. differential pressure max. at min. rotational speed Max. vacuum | ||||||||||
| Rated power at full rotational speed Motor power | ||||||||||
| Rotational speed Speed | ||||||||||
| Motor version | ||||||||||
| Motor protection | ||||||||||
| Protection degree | ||||||||||
| Input Voltages | 380-480 AC (±10), 50/60 Hz AC AC (±10), 50/60 Hz ACR Needs review · excluded from comparison Source · 2026-10-02 | |||||||||
| Recommended mains fuse capacity | ||||||||||
| Electronic drive unit | ||||||||||
| Cooling method | ||||||||||
| Cooling water pressure Service liquid flow | ||||||||||
| Cooling water flow Service liquid flow | ||||||||||
| Cooling water temperature Service liquid flow | ||||||||||
| Ambient temperature | ||||||||||
| Shipping temperature | ||||||||||
| Operating fluid | ||||||||||
| Operating fluid filling | ||||||||||
| Integral leak rate | ||||||||||
| Sound pressure level (EN ISO 2151) at inlet pressure 1 hPa Noise level | ||||||||||
| Weight approx. Weight | ||||||||||
| Dimensions (L x W x H) Dimensions | ||||||||||
| I/O Interfaces | ||||||||||
| Main Flange Size/Type | ||||||||||
| Secondary Flange Size/Type |
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: HiLobe 2703, HiLobe 6203
Reviewed operating performance · 60 Hz
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Documents
- Product Leaflet HiLobe 2703_4503_6203 Global ENdatasheet · 3 pp
- Instruction Manual HiLobe 2703_4503_6203_EN_enmanual · 68 pp
- Pumping speed curveISO
- Dimensional drawingISO
Documents open on the manufacturer’s site.
Service parts · 6
Part numbers from Pfeiffer Vacuum+Fab Solutions’s parts lists, shop and instruction manuals. Open a part for its other models, replacements and suppliers.
Not on file yet
- MissingPfeiffer Vacuum+Fab Solutions's parts drawing (exploded view) for the HiLobe 4503
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