Laboratory vacuum pump Pascal 2021 SD series
rotary vane

Laboratory vacuum pump - Pascal 2021 SD series - Pfeiffer Vacuum GmbH - rotary vane
Laboratory vacuum pump - Pascal 2021 SD series - Pfeiffer Vacuum GmbH - rotary vane
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Characteristics

Applications
laboratory
Technology
rotary vane
Flow

Max.: 22 m³/h
(776.92 ft³/h)

Min.: 18 m³/h
(635.66 ft³/h)

Power

Max.: 0.55 kW
(0.75 hp)

Min.: 0.45 kW
(0.61 hp)

Pressure

Max.: 0.01 mbar
(0 psi)

Min.: 0 mbar
(0 psi)

Description

Very low ultimate pressure, ideal for medium vacuum applications Single-phase universal motor available, allowing an almost worldwide network coverage Adjustable inlet and outlet ports in horizontal or vertical orientation for better integration Pascal 2021, SD Version, 1-Phase Motor, 180–254 V, 50/60 Hz, CE/UL/CSA Order number: 221SDMHEM Flange (in) DN 25 ISO-KF Flange (out) DN 25 ISO-KF Pumping speed at 50 Hz 18 m³/h | 10.59 cfm | 300 l/min Pumping speed at 60 Hz 22 m³/h | 12.95 cfm | 366.67 l/min Ultimate pressure 5 · 10-4 hPa | 3.75 · 10-4 Torr | 5 · 10-4 mbar Ultimate pressure with gas ballast 1 · 10-2 hPa | 7.5 · 10-3 Torr | 1 · 10-2 mbar Ultimate pressure without gas ballast 5 · 10-4 hPa | 3.75 · 10-4 Torr | 5 · 10-4 mbar Motor version 1-ph motor Mains requirement: voltage 50 Hz 180 – 254 V Mains requirement: voltage 60 Hz 180 – 254 V Mains cable Yes, EU power cable Operating fluid Mineral oil Rated power 50 Hz 0.45 kW Rated power 60 Hz 0.55 kW Protection category IP43 Weight 28 kg | 61.73 lb Pascal 2021, SD Version, 1-Phase Motor, 90–132 V, 50 Hz/60 Hz, CE/UL/CSA Order number: 221SDMLAM Flange (in) DN 25 ISO-KF Flange (out) DN 25 ISO-KF Pumping speed at 50 Hz 18 m³/h | 10.59 cfm | 300 l/min Pumping speed at 60 Hz 22 m³/h | 12.95 cfm | 366.67 l/min Ultimate pressure 5 · 10-4 hPa | 3.75 · 10-4 Torr | 5 · 10-4 mbar Ultimate pressure with gas ballast 1 · 10-2 hPa | 7.5 · 10-3 Torr | 1 · 10-2 mbar Ultimate pressure without gas ballast 5 · 10-4 hPa | 3.75 · 10-4 Torr | 5 · 10-4 mbar Motor version 1-ph motor Mains requirement: voltage 50 Hz 90 – 132 V Mains requirement: voltage 60 Hz 90 – 132 V Mains cable Yes, US power cable

Catalogs

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Exhibitions

Meet this supplier at the following exhibition(s):

Hyvolution 2025
Hyvolution 2025

28-30 Jan 2025 paris (France) Stand 4S28

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.