Hena 101Pumping speed 100 m³/hUltimate pressure 0.3 mbar
Hena 401 3Ph 190–200/220–230/380–400 V 50 Hz / 208/220/230/440/460 V 60 Hz, air cooling, operating fluid D1
The Pfeiffer Hena 401 is a single-stage oil-lubricated rotary vane vacuum pump of the HenaLine with a nominal pumping speed of 400 m³/h (50 Hz) or 480 m³/h (60 Hz) and an ultimate pressure of 0.3 mbar. Pfeiffer has discontinued the HenaLine; the replacement in the same size is the Busch R5 RA 0400 C. Ehrler & Beck advises on service for existing pumps and on changing over.
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- Pumping speed 400 m³/h 50 Hz 480 m³/h 60 Hz
- Ultimate pressure 0.3 mbar
- Rated motor power 13.5 kW 50 Hz 15 kW 60 Hz
| Variant | Part number |
|---|---|
| 3Ph 190–200/220–230/380–400 V 50 Hz / 208/220/230/440/460 V 60 Hz, air cooling, operating fluid P3, older order number | PK D03 500 |
| 3Ph 190–200/220–230/380–400 V 50 Hz / 208/220/230/440/460 V 60 Hz, air cooling, operating fluid D1 (selected) | PK D04 171 111 |
| 3Ph 190–200/220–230/380–400 V 50 Hz / 208/220/230/440/460 V 60 Hz, air cooling, operating fluid P3 | PK D04 171 112 |
| 3Ph 200/346 V 50 Hz / 220/380 V 60 Hz, air cooling, operating fluid D1 | PK D04 171 121 |
| 3Ph 200/346 V 50 Hz / 220/380 V 60 Hz, air cooling, operating fluid P3 | PK D04 171 122 |
| 3Ph 190–200/220–230/380–400 V 50 Hz / 208/220/230/440/460 V 60 Hz, water cooling, operating fluid D1 | PK D04 171 211 |
| 3Ph 190–200/220–230/380–400 V 50 Hz / 208/220/230/440/460 V 60 Hz, water cooling, operating fluid P3 | PK D04 171 212 |
| 3Ph 200/346 V 50 Hz / 220/380 V 60 Hz, water cooling, operating fluid D1 | PK D04 171 221 |
| 3Ph 200/346 V 50 Hz / 220/380 V 60 Hz, water cooling, operating fluid P3 | PK D04 171 222 |
Pfeiffer Hena 401 – single-stage oil-lubricated rotary vane vacuum pump
The Pfeiffer Hena 401 is a single-stage oil-lubricated rotary vane vacuum pump of the HenaLine. The nominal pumping speed is 400 m³/h (50 Hz) or 480 m³/h (60 Hz), the ultimate pressure 0.3 mbar without and 0.7 mbar with gas ballast. Rated motor power 13.5 kW (50 Hz) or 15 kW (60 Hz).No longer available
Pfeiffer has discontinued the HenaLine; according to Pfeiffer, these pumping speeds are now available within the Busch Group only as the Busch R5. In the same size this is the Busch R5 RA 0400 C (410 m³/h at 50 Hz, 480 m³/h at 60 Hz).Features
- Three-phase universal motor for mains connection almost worldwide
- For industrial applications, very powerful
- Integrated oil mist separator with very high separation efficiency
- Special vane material for a long service life
Versions of the Pfeiffer Hena 401
The 9 versions differ in motor and voltage, in the operating fluid and in the cooling; order numbers according to the Pfeiffer product overview 2021 and the operating instructions 10/2019.Advice and service
Ehrler & Beck advises on service and spare parts for existing Hena pumps and on selecting the right Busch R5.| Pumping speed 50Hz | 400 |
|---|---|
| Pumping speed 60Hz | 480 |
| Ultimate pressure | 0.3 |
| Rated motor power 50Hz | 13.5 |
| Rated motor power 60Hz | 15 |
| Weight | 554 |
| Length | 138.5 |
| Width | 91.3 |
| Height | 66.1 |
| Inlet connection flange | G 3" |
| Outlet connection flange | G 3" |
| Noise level | 77 dB(A) |
| Cooling method | Air cooling, Water cooling |
Additional technical data
| Technical data | Value |
|---|---|
| Nominal pumping speed | 400 m³/h (50 Hz) / 480 m³/h (60 Hz) |
| Ultimate pressure without gas ballast | 0.3 mbar |
| Ultimate pressure with gas ballast | 0.7 mbar |
| Nominal speed | 1000 min⁻¹ (50 Hz) / 1200 min⁻¹ (60 Hz) |
| Rated motor power | 13.5 kW (50 Hz) / 15 kW (60 Hz) |
| Motor efficiency class | IE3 (PK D03 500) |
| Sound pressure level without gas ballast | 77 dB(A) (50 Hz) / 79 dB(A) (60 Hz) |
| Water vapour capacity | 9000 g/h (50 Hz) / 11000 g/h (60 Hz) |
| Water vapour tolerance | 40 mbar |
| Max. inlet pressure in continuous operation | 800 mbar |
| Operating fluid | P3 or D1 (depending on the version), 12 l |
| Cooling | Air or water (depending on the version) |
| Vacuum connection (inlet) | Female thread G 3" |
| Exhaust connection (outlet) | Female thread G 3" |
| Dimensions (L × W × H) | 1385 × 913 × 661 mm (PK D03 500, PK D04 171 111, PK D04 171 112, PK D04 171 121, PK D04 171 122) |
| Weight | 554 kg (PK D03 500, PK D04 171 111, PK D04 171 112, PK D04 171 121, PK D04 171 122) |
| Type of protection | IP 55 |
| Data source | Pfeiffer Vacuum, operating instructions Hena 401/631 (10/2019) |


