Chemistry pumping unit PC 620 NT

optional remote control
Chemistry pumping unit PC 620 NT
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PC 620 NT
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PC 620 NT

VACUUBRAND737300ca. 444 mmca. 361 mmca. 20.9 kg

This chemistry vacuum pumping unit is an economic space-saving solution for simultaneous operation of two independent vacuum applications with one single pump. Each vacuum port is equipped with a vacuum controller CVC 3000 with a solenoid valve for electronic vacuum control. The basic pump is the three-stage MD 4C NT chemistry diaphragm pump which meets high vacuum requirements for most high boiling solvents. This pump offers more than sufficient pumping speed also for the parallel operation of two challenging applications. Both vacuum ports have integrated check valves against cross contamination and interference. The exhaust vapor condenser is outstandingly efficient and compact. It provides near-100-percent recovery of solvents, for economical recycling and environmental protection.

Performance features

  • easily operated vacuum controller CVC 3000 with clear text menus, with integrated venting valve
  • exceptionally high performance even at low vacuum
  • excellent ultimate vacuum even with gas ballast
  • high pumping speed for unrestricted simultaneous operation of two independent vacuum applications; check valves against cross contamination
  • excellent environmental friendliness due to efficient solvent recovery

Technical data

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Technical dataUnit PC 620 NT
Vacuum controller2 x CVC 3000
Number of heads / stages4 / 3
Max. pumping speed at 50/60 Hzm3/h3.4 / 3.8
Max. pumping speed at 50/60 Hzcfm2.0 / 2.2
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 connection2 x hose nozzle DN 8-10 mm
Outlet connectionHose nozzle DN 8-10 mm
Coolant connection2 x hose nozzle DN 6-8 mm
Rated motor powerkW0.25
Rated motor speed at 50/60 Hzmin-11500/1800
Degree of protectionIP 40
Dimensions (L x W x H)mm435 x 361 x 444
Weightkg20.9
Noise level at 50 Hz, typ.dBA45
ATEX conformity (only 230V)II 3G IIC T3 X Internal Atm. only
Items suppliedPumping unit largely mounted, ready for use, with manual.
AccessoriesCoolant valve VKW-B (674220)
Vent valve VBM-B (674217)
Liquid level sensor (699908)
Rubber vacuum tubing DN 8 mm (686001)

PC 620 NT - Pumping speed graph at 50 Hz

PC 620 NT - Pumping speed graph at 50 Hz

PC 620 NT - Pump down graph at 50 Hz (10 l volume)

PC 620 NT - Pump down graph at 50 Hz
(10 l volume)

PC 620 NT - Pumping speed graph at 60 Hz

PC 620 NT - Pumping speed graph at 60 Hz

PC 620 NT - Pump down graph at 60 Hz (10 l volume)

PC 620 NT - Pump down graph at 60 Hz
(10 l volume)

PC 620 NT - Dimension sheet

PC 620 NT - Dimension sheet

-Technical data are subject to change without notice-

Ordering data

Product nameMains voltage and frequencyPlugOrder no.
PC 620 NT 230 V~ 50-60 Hz
CEE 737300
230 V~ 50-60 Hz
CH, CN 737301
230 V~ 50-60 Hz
UK, IN 737302
100-115 V~ 50-60 Hz
120 V~ 60 Hz
US 737303

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