Chemistry diaphragm pump MD 1C

Chemistry diaphragm pump MD 1C
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MD 1C
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MD 1C

VACUUBRAND696600ca. 175 mmca. 143 mmca. 6.9 kg

Three-stage chemistry-design diaphragm pumps are an excellent solution for continuous, oil-free pumping of corrosive gases and vapors and meet high requirements regarding ultimate vacuum. The three-stage construction provides the advantageous combination of high pumping speed and deep ultimate vacuum in a pump with a very small footprint. All parts in contact with pumped media are made of chemically resistant fluoroplastics. Well-proven PTFE sandwich diaphragms increase reliability and extend operating life. The MD 1C with gas ballast valve is optimally prepared for pumping easily condensable vapors (high boiling solvents).

Performance features

  • outstanding chemical resistance and superior vapor tolerance
  • exceptionally high performance even at low vacuum
  • excellent ultimate vacuum even with gas ballast
  • whisper quiet and ultra low vibration
  • proven long diaphragm life, maintenance-free drive system

Technical data

Unit Converter productInquiryCatcherAlt
Technical dataUnit MD 1C
Number of heads / stages4 / 3
Max. pumping speed at 50/60 Hzm3/h1.3 / 1.5
Max. pumping speed at 50/60 Hzcfm0.8 / 0.9
Ultimate vacuum (abs.)mbar/torr2 / 1.5
Ultim. vac. (abs.) with gas ballastmbar/torr4 / 3
Ambient temperature range (operation)°C10 - 40
Ambient temperature range (storage)°C-10 - 60
Max. back pressure (abs.)bar1.1
Inlet connectionHose nozzle DN 8-10 mm
Outlet connectionHose nozzle DN 8 mm
Rated motor powerkW0.08
Rated motor speed at 50/60 Hzmin-11500/1800
Degree of protectionIP 42
Dimensions (L x W x H)mm316 x 143 x 175
Weightkg6.9
Noise level at 50 Hz, typ.dBA45
ATEX conformity (only 230V)II 3G IIC T3 X Internal Atm. only
Items suppliedPump completely mounted, ready for use, with manual.
AccessoriesRubber vacuum tubing DN 8 mm (686001)

MD 1C - Pumping speed graph at 50 Hz

MD 1C - Pumping speed graph at 50 Hz

MD 1C - Pump down graph at 50 Hz (10 l volume)

MD 1C - Pump down graph at 50 Hz
(10 l volume)

MD 1C - Pumping speed graph at 60 Hz

MD 1C - Pumping speed graph at 60 Hz

MD 1C - Pump down graph at 60 Hz (10 l volume)

MD 1C - Pump down graph at 60 Hz
(10 l volume)

MD 1C - Dimension sheet

MD 1C - Dimension sheet

-Technical data are subject to change without notice-

Ordering data

Product nameMains voltage and frequencyPlugOrder no.
MD 1C 200-230 V~ 50-60 Hz
CEE 696600
200-230 V~ 50-60 Hz
CH 696601
200-230 V~ 50-60 Hz
UK, IN 696602
100-120 V~ 50-60 Hz
US 696603
120 V~ 60 Hz
US 696613

696613: With NRTL certification for Canada and the USA

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