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