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Two-stage Rotary Vane Pumps - Pfeiffer Vacuum

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221SDMHEM

Pascal 2021, SD version, 1-phase motor, 180-254 V, 50 Hz/60 Hz, CE/UL/CSA
Order number: 221SDMHEM

Flange (in) DN 25 ISO-KF
Mains cable Yes, · 10U power cable  
Mains requirement: voltage 60 Hz 180 – 254 V
Operating fluid Mineral oil
Pumping speed at 50 Hz 18 m³/h
Rated power 50 Hz 0.45 kW
Ultimate pressure 5 · 10-4 hPa | 3.75 · 10-4 Torr | 5 · 10-4 mbar
Version Standard
Flange (out) DN 25 ISO-KF
Mains requirement: voltage 50 Hz 180 – 254 V
Motor version 1-ph motor
Protection category IP43
Pumping speed at 60 Hz 22 m³/h
Rated power 60 Hz 0.55 kW
Ultimate pressure with gas ballast 1 · 10-2 hPa | 7.5 · 10-3 Torr | 1 · 10-2 mbar
Weight 28 kg | 61.73 lb

Ultimate pressure according to PNEUROP

Massbild-TIM-RS

L
291 mm

Kennlinie-TIM-RS-1

Kennlinie-TIM-RS-2

Kennlinie-TIM-RS-3

Magnetic gas ballast valve

Automatic gas ballast AGB 4, 230 V, 50/60 Hz 104086
Automatic gas ballast AGB 4, 115 V 104087
Automatic gas ballast AGB 4, 24 VDC 104089
Automatic gas ballast AGB 4, 200 V, 50/60 Hz 104366

Other

Sorption trap ST 25 S 104107

OME S

Oil mist eliminator OME 25 S 104200

Operating fluid return line from operating fluid mist filter

Oil drain kit ODK 1 from oil mist eliminator 104360
Oil return unit ODK 2 from OME 25, magnetic valve 230 V 50/60 Hz, Pascal 2005–2021 104361
Oil return unit ODK 2 from OME 25, Pascal 2005–2021, magnetic valve 115 V, 60 Hz 104362
Oil return unit ODK 2 from OME 25, Pascal 2005–2021, magnetic valve 200 V, 50/60 Hz 104364
Oil return unit ODK 2 from OME, Pascal 2005–2021, magnetic valve 24 V DC 104365

Operating fluid level monitoring

Oil level switch OLS 4 104376

KLF

KLF 025, cold trap PK Z80 006

Condensate separators

KAS 25 L, condensate separator for pumping speeds up to 35 m3/h PK Z10 033

Dust separator

SAS 25, dust separator, DN 25 ISO-KF, polyester filter PK Z60 508

URB

URB 025, catalytic trap, 230 V PT U10 760
URB 025, catalytic trap, 115 V PT U10 761

OME M

OME 25 ML, oil mist filter for pumping speeds of up to 30 m3/h PK Z40 158

Consumable

A120, hydrocarbon oil, 2 L 068099
A111, hydrocarbon oil, 2 L 064655
A102, hydrocarbon oil, 2 L 010996
A119, hydrocarbon oil, 1 L 103855
A300, white mineral oil, 3,8 L 068891
A121, hydrocarbon oil, 1 L 102724
D1, synthetic diester based oil, 1 l PK 005 875 -T
File Type Language Date Filesize
Data sheet PDF EN 05-19-2018 ~ 692 KB
File Type Language Date Filesize
Maintenance Instruction Pascal Series 5-21 m³/h (103275MEN_04) PDF EN 09-20-2017 ~ 3.9 MB
Operating instructions Pascal Series 5-21 m3/h (103275OEN_12) PDF EN 09-20-2017 ~ 1 MB
Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

+1 (800) 248-8254
+1 (888) 658-7983
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