VARIO® chemistry pump MD 12C VARIO select

VARIO<sup>®</sup> chemistry pump MD 12C VARIO select
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MD 12C VARIO select

MD 12C VARIO select

VACUUBRAND20743750ca. 450 mmca. 260 mmca. 25.5 kg

The MD 12C VARIO select pump is an excellent solution for those who need high pumping speed and are working with high boiling point solvents. Combined with the reliability born of its chemical resistant fluoropolymer and perfluoroelastomer wetted materials, this pump delivers reliable performance for floor-standing rotary evaporators, vacuum drying ovens, vacuum distillation columns, and other similar applications.
The integrated VACUU·SELECT controller provides an easy-to-use, application based interface that covers all common lab applications. The VACUU·SELECT controller has you covered. Use manual set-point-control for simple processes, run fully automated distillations, or create your own application with simple drag-and-drop editing. For solvent evaporation, the VACUU·SELECT controller continuously detects the boiling point and automatically adjusts the vacuum process to maintain process control. With VARIO control, the pump runs only as fast is necessary. This extends the maintenance intervals and makes the pumping unit whisper quiet.

Performance features

  • VACUU·SELECT vacuum controller with graphical user interface and predefined applications simplifies work in the laboratory
  • automatic boiling point detection and adjustment of the vacuum for short process times
  • meets high vacuum requirements for large quantities of most high boiling solvents
  • extraordinary diaphragm life for minimum operational and servicing costs

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Technical data

Unit Converter
Technical dataUnit MD 12C VARIO select
Vacuum controllerVACUU·SELECT
Number of heads / stages8 / 3
Max. pumping speedm3/h15.0
Max. pumping speedcfm8.8
Ultimate vacuum (abs.)mbar/torr1.5 / 1.1
Ultim. vac. (abs.) with gas ballastmbar/torr3 / 2.2
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 powerkW1.0
Motor speed rangemin-130 - 2400
Degree of protectionIP 40
Dimensions (L x W x H)mm533 x 260 x 450
Weightkg25.5
Noise level at 50 Hz, typ.dBA47
ATEX conformity (only 230V)II 3/- G IIC T3 X Internal Atm. only
Items suppliedPumping unit completely mounted, ready for use, with manual.
AccessoriesPTFE tubing KF DN 25 (1000 mm: 20686033)
Inlet separator KF DN 25 (20699979)
Emission condenser kit for NT pump models (20699948)
Vent valve VB M-B (20674217)
Centering and sealing ring KF DN 25 C Al/FEP (20635722)

MD 12C VARIO select - Pumping speed graph

MD 12C VARIO select - Pumping speed graph

MD 12C VARIO select - Pump down graph (100 l volume)

MD 12C VARIO select - Pump down graph
(100 l volume)

MD 12C VARIO select - Dimension sheet

MD 12C VARIO select - Dimension sheet

-Technical data are subject to change without notice-

Ordering data

Product nameMains voltage and frequencyPlug* Order no.
MD 12C VARIO select 200-230 V~ 50-60 Hz
100-120 V~ 50-60 Hz
CEE 20743750
200-230 V~ 50-60 Hz
100-120 V~ 50-60 Hz
UK 20743752
200-230 V~ 50-60 Hz
100-120 V~ 50-60 Hz
US 20743753
200-230 V~ 50-60 Hz
100-120 V~ 50-60 Hz
CN 20743756
200-230 V~ 50-60 Hz
100-120 V~ 50-60 Hz
IN 20743757

* As part of the implementation process of our new ERP system in 2018 our catalog numbers were extended to 8 digits in length by adding the digits “2” or “20” to the beginning of the old catalog numbers.

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