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Diaphragm pumps

Supplier: Vacuubrand
These diaphragm pumps are mechanical vacuum pumps that function without oil. They are easy to operate, use no water and generate neither waste water nor used oil. These pumps are used for evacuating or pumping gases between containers in chemistry or physics laboratories. They are extremely versatile.

  • Available in aluminium or chemical versions
  • Large selection of final pressure and pump capacities, high pump volume capacities even at low pressures
  • Maintenance-free drive unit, constructed for easy maintenance, diaphragm and valves are easy to replace
  • Very quiet, low-vibration running
  • Optimised service life of diaphragms and valves (normally over 10 000 operating hours)

Aluminium versions
Parts that come into contact with media are made from aluminium, FPM, PE or PBT or similar. Broad range of vacuum generating applications in the laboratory and in industry with non-aggressive gases, e.g. vacuum filtration, vacuum stream degassing and vacuum impregnation.
Exceptionally long-lasting FPM valves.
Large cylinder input volume with minimal dead space ensures high input power
Optimised, extremely flexible FPM double diaphragms with fabric reinforcement; good operating safety and diaphragm service life
Available as one-, two-, three- or four-stage pumps; please contact VWR for details
Compact construction

Chemical versions
The gases and vapours that are pumped only come into contact with fluorinated plastics, with outstanding chemical resistance properties. Typical applications include, for example, pumping chemically active vapours.
Good chemical resistance throughout, from the intake side to the discharge side
PTFE sandwich membrane and perfluorelastomer or PTFE valves; tough, long-lasting, and easily replaceable
Metal compartmentation for cylinders to prevent PTFE creep, good final pressure after disassembly, cleaning and reassembly without readjustment
Available as one-, two-, three- or four-stage pumps; please contact VWR for details
Compact construction

Certifications: ATEX approval: II 3G IIC T3 X Internal Atm. only (except for ME 4R NT model)
Delivery information: Includes the pump with switch, cable, plug and operating manual.



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Aluminium versions
Model Pk VWR Catalog Number Quantity
ME 2NT with UK plug 1 VACU730002
MD 12 NT with UK-plug 1 VACU743002
MD 1 with UK-plug 1 181-0016
MD 4 NT with UK-plug 1 VACU736002
ME 16 NT with UK-plug 1 VACU741002
ME 2NT with EU plug 1 181-0476
ME 4 NT with UK-plug 1 VACU731002
ME 4R NT with UK-plug 1 VACU731102
ME 8 NT with UK-plug 1 VACU734002
MV 2 NT with UK-plug 1 VACU738002
MZ 2D NT with UK-plug 1 VACU732202
MZ 2 NT with UK-plug 1 VACU732002

Chemical versions
Model Pk VWR Catalog Number Quantity
MZ 1C with UK-plug 1 181-0337
MD 1C with UK-plug 1 181-0028
ME 2C NT with UK-plug 1 VACU730102
MZ 2C NT with UK-plug 1 181-0338
ME 8C NT with CH-plug 1 VACU734202
MD 4C NT with UK-plug 1 VACU736402
MD 4CRL NT, without plug 1 181-0252
MD 1C with US plug 1 VACU696613
ME 1C with UK-plug 1 181-0246
ME 1 with UK-plug 1 181-0243
ME 4C NT with UK-plug 1 VACU731202
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SPECIFICATIONS

Model ME 2 NT MD 12 NT MD 1 MD 4 NT ME 16 NT ME 2 NT ME 4 NT ME 4R NT ME 8 NT MV 2 NT MZ 2D NT MZ 2 NT MZ 1C MD 1C ME 2C NT MZ 2C NT ME 8C NT MD 4C NT MD 4CRL NT MD 1C ME 1C ME 1 ME 4C NT
No. of stages 1 3 1 4 2 3 1 2 1 3 1
Flow rate (l/min) 33 55 20 55 273 33 67 63 122 37 38 37 12/15 22/25 35/40 33/38 118/130 56/63 22/25 11/14 65/72
Flow rate (m³/h) 2,0 3,3 1,2 3,3 16,4 2,0 4,0 3,8 7,3 2,2 2,3 2,2 0,75 / 0,9 1,3/1,5 2,1/2,4 2/2,3 7,1/7,8 3,4/3,8 1,3/1,5 0,7/0,85 3,9/4,3
Vacuum (mbar) 70 2 1,5 1 70 100 70 0,5 4 7 - -
Final pressure (abs.) (mbar) 70 2 1,5 2 70 100 70 0,5 4 7 12 2 70 7 70 1,5 2 100 70
Final pressure with gas ballast (mbar) - 20 4 - 12 - 3 - 4 -
Protection class IP 40 IP 42 IP 40 IP 42 IP 40 IP 42 IP 40
Connection on pressure side (EX) Silencer / G1/4” Silencer / G1/2” Silencer / G1/8” Silencer / G1/4” Silencer / G1/2” Silencer / G1/4” 2 × silencer / G1/4” Hose nozzle DN 8-10 mm 2 × silencer / G1/4” Silencer / G1/4” Hose nozzle DN 8 - 10 mm Hose nozzle DN 8 mm Hose nozzle DN 8 - 10 mm Small flange KF DN 16 Hose nozzle DN 8 mm Hose nozzle DN 8 - 10 mm Silencer / G1/8” Hose nozzle DN 8 - 10 mm
Connection on suction side (IN) Hose nozzle DN 8 - 10 mm Small flange KF DN 25 Hose nozzle DN 6 mm Small flange KF DN 16 Small flange KF DN 25 Hose nozzle DN 8 - 10 mm Hose nozzle DN 8-10 mm Small flange KF DN 16 Hose nozzle DN 8 - 10 mm Small flange KF DN 16 Hose nozzle DN 8 - 10 mm Hose nozzle DN 6 - 10 mm Hose nozzle DN 8 - 10 mm
W×D×H (mm) 243×211×198 554×260×359 303×143×163 325×239×198 554×260×359 243×211×198 243×239×198 243×239×290 325×239×198 243×242×198 243×239×198 312×121×170 316×143×175 243×211×198 243×243×198 325×243×198 316×143×175 247×121×145 254×243×198
Weight (kg) 10,2 30,6 6,5 16,4 30,6 10,2 11,0 11,5 16,4 11,4 11,0 6,7 6,9 10,2 11,1 14,3 19,8 6,9 5 11,1

ACCESSORIES

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Accessories
Description Pk VWR Catalog Number Quantity
Chemistry vacuum regulator valve unit for ME/MZ 1C 1 181-0259
Diaphragm key for diaphragm pumps NT 1 VACU636554
Sealing kit for MZ 2D diaphram pump 1 VACU696835
Service kit for ME 1/ME 1C, includes diaphragm, valves, diaphragm key 1 VACU696874
Service kit for ME 2C NT includes diaphragm, valves, diaphragm key 1 VACU696878
Service kit for ME 2 NT includes diaphragm, valves, diaphragm key 1 VACU696877
Service kit for ME 4 NT/MZ 2 NT 1 VACU696860
Service kit for MV 10, MD 12 includes diaphragm, valves, diaphragm key 1 VACU696827
Service kit for MV 2 , MD 4 VARIO 1 VACU696834
Service kit for MV 2 includes diaphragm, valves, diaphragm key 1 181-1690
Set of hose clips, 10,5 mm 1 SET VACU636269
Upgrade kit exhaust vapor condenser for NT series 1 VACU699948
Vacuum regulator valve unit for ME 1 1 181-0258
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