Diaphragm pump MD 1

Diaphragm pump MD 1
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MD 1
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MD 1

VACUUBRAND696080ca. 163 mmca. 143 mmca. 6.5 kg

The MD 1 diaphragm pump is an excellent choice for oil-free evacuation and pumping of non-corrosive gases down to 1.5 mbar ultimate vacuum. The three-stage design with precisely guided flat diaphragms provides outstanding pumping speed even close to the ultimate vacuum, especially when compared with similarly rated two-stage diaphragm pumps. The MD 1 is an ultra-low vibration pump with very long diaphragm lilfetimes and stable ultimate vacuum documented with years of testing. With a flow path consisting of aluminum and selected plastics (diaphragms and valves made of PTFE/FKM and FKM, respectively) the pumps are suitable for a wide range of applications with non-corrosive gases.

Performance features

  • contamination-free pumping and evacuation
  • high flow rate even near ultimate vacuum
  • excellent ultimate vacuum
  • whisper quiet and ultra-low vibration
  • proven long diaphragm life, maintenance-free drive system

Technical data

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Technical dataUnit MD 1
Number of heads / stages4 / 3
Max. pumping speed at 50/60 Hzm3/h1.2 / 1.4
Max. pumping speed at 50/60 Hzcfm0.7 / 0.8
Ultimate vacuum (abs.)mbar/torr1.5 / 1.1
Ambient temperature range (operation)°C10 - 40
Ambient temperature range (storage)°C-10 - 60
Max. back pressure (abs.)bar1.1
Inlet connectionHose nozzle DN 6 mm
Outlet connectionSilencer / G1/8"
Rated motor powerkW0.08
Rated motor speed at 50/60 Hzmin-11500/1800
Degree of protectionIP 42
Dimensions (L x W x H)mm303 x 143 x 163
Weightkg6.5
Noise level at 50 Hz, typ.dBA40
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 6 mm (686000)
Small flange KF DN 16 / G1/8" (637425)

MD 1 - Pumping speed graph at 50 Hz

MD 1 - Pumping speed graph at 50 Hz

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

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

MD 1 - Pumping speed graph at 60 Hz

MD 1 - Pumping speed graph at 60 Hz

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

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

MD 1 - Dimension sheet

MD 1 - Dimension sheet

-Technical data are subject to change without notice-

Ordering data

Product nameMains voltage and frequencyPlugOrder no.
MD 1 200-230 V~ 50-60 Hz
CEE 696080
200-230 V~ 50-60 Hz
CH, CN 696081
200-230 V~ 50-60 Hz
UK, IN 696082
100-120 V~ 50-60 Hz
US 696083
120 V~ 60 Hz
US 696073
200-230 V~ 50-60 Hz
100-120 V~ 50-60 Hz
IEC plug EN 60320 696087

696073: With NRTL certification for Canada and the USA

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