Chemistry diaphragm pump MD 12C NT

Chemistry diaphragm pump MD 12C NT
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MD 12C NT
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MD 12C NT

VACUUBRAND743300ca. 359 mmca. 260 mmca. 28.1 kg

Three-stage chemistry diaphragm pumps are an excellent solution for continuous, oil-free pumping of corrosive gases and vapors and meet the highest requirements. The three-stage design of the eight-cylinder MD 12C NT pump provides the advantageous combination of high pumping speed and very low ultimate vacuum. All internal parts in contact with pumped media are made of chemically resistant fluoroplastics. Well-proven PTFE sandwich diaphragms provide increased reliability and extended operating life. With its gas ballast valve the MD 12C NT is optimally prepared for pumping easily condensable vapors, thanks to the very good ultimate vacuum even with open gas ballast valve also for high boiling solvents. Upgrade kits such as inlet separator (AK) and exhaust vapor condenser (EK) enable a later adaptation to changed process requirements. Eight-cylinder NT pumps features quiet operation with smooth, easy-to-clean surfaces.

Performance features

  • outstanding chemical resistance and superior vapor tolerance
  • reduced process time due to particularly high pumping speed even near ultimate vacuum
  • whisper quiet and very low vibration
  • very good ultimate vacuum even with open gas ballast valve for condensate purge
  • long diaphragm lifetime, maintenance-free drive system

Technical data

Unit Converter productInquiryCatcherAlt
Technical dataUnit MD 12C NT
Number of heads / stages8 / 3
Max. pumping speed at 50/60 Hzm3/h12.0 / 13.3
Max. pumping speed at 50/60 Hzcfm7.1 / 7.8
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 connectionSmall flange KF DN 25
Outlet connectionHose nozzle DN 15 mm
Rated motor powerkW0.44
Rated motor speed at 50/60 Hzmin-11500/1800
Degree of protectionIP 40
Dimensions (L x W x H)mm533 x 260 x 359
Weightkg28.1
Noise level at 50 Hz, typ.dBA52
ATEX conformity (only 230V)II 3G IIC T3 X Internal Atm. only
Items suppliedPump completely mounted, ready for use, with manual.
AccessoriesPTFE tubing KF DN 25 (1000 mm: 686033)
Inlet separator KF DN 25 (699979)
Centering and sealing ring KF DN 25 C Al/FEP (635722)
Ausbausatz Emissionskondensator Achtzylinder NT (699948)

MD 12C NT - Pumping speed graph at 50 Hz

MD 12C NT - Pumping speed graph at 50 Hz

MD 12C NT - Pump down graph at 50 Hz (100 l volume)

MD 12C NT - Pump down graph at 50 Hz
(100 l volume)

MD 12C NT - Pumping speed graph at 60 Hz

MD 12C NT - Pumping speed graph at 60 Hz

MD 12C NT - Pump down graph at 60 Hz (100 l volume)

MD 12C NT - Pump down graph at 60 Hz
(100 l volume)

MD 12C NT - Dimension sheet

MD 12C NT - Dimension sheet

-Technical data are subject to change without notice-

Ordering data

Product nameMains voltage and frequencyPlugOrder no.
MD 12C NT 230 V~ 50-60 Hz
CEE 743300
230 V~ 50-60 Hz
CH, CN 743301
230 V~ 50-60 Hz
UK, IN 743302
100-115 V~ 50-60 Hz
120 V~ 60 Hz
US 743303

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