Chemistry pumping unit PC 520 select

Chemistry pumping unit PC 520 select
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PC 520 select

PC 520 select

VACUUBRAND733350ca. 457 mmca. 243 mmca. 17.7 kg

This chemistry vacuum pumping unit is an economical, compact solution for simultaneous operation of two electronically controlled vacuum applications with one single pump. Based on our popular MZ 2C NT two-stage chemistry diaphragm pump, the PC 520 select is frequently used for medium-sized vacuum applications involving common solvents.
Both vacuum ports have independent solenoid valves for electronic vacuum control, and check valves to protect against cross contamination and interference. With an intuitive, application-based interface, the VACUU·SELECT controller offers predefined vacuum processes for all common laboratory applications. The VACUU·SELECT controller has you covered. Use manual set-point-control for simple processes, run distillations, or create your own application with simple drag-and-drop editing. For solvent evaporation, it detects the boiling pressure and switches to two point control to hold the pressure stable when a boiling point is detected. The inlet separator, made of glass with a robust protective coating, prevents particles and liquid droplets from entering the pump, preventing damage and extending pump life. And the exhaust vapor condenser allows for nearly complete recovery of solvents when used with a chilled water line or recirculating chiller for economical recycling and environmental protection.

Performance features

  • VACUU·SELECT vacuum controller with graphical user interface simplifies work in the laboratory
  • predefined applications save time and give reproducible results
  • easy-to-use application editor allows own process sequences
  • powerful vacuum pump with excellent chemical and condensate compatibility
  • PC 520 select allow simultaneous operation of two independent applications with electronic vacuum control

Technical data

Unit Converter
Technical dataUnit PC 520 select
Vacuum controllerVACUU·SELECT
Number of heads / stages2 / 2
Max. pumping speed at 50/60 Hzm3/h2.0 / 2.3
Max. pumping speed at 50/60 Hzcfm1.2 / 1.4
Ultimate vacuum (abs.)mbar/torr7 / 5
Ultim. vac. (abs.) with gas ballastmbar/torr12 / 9
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 powerkW0.18
Rated motor speed at 50/60 Hzmin-11500/1800
Degree of protectionIP 40
Dimensions (L x W x H)mm435 x 243 x 457
Weightkg17.7
Noise level at 50 Hz, typ.dBA45
ATEX conformity (only 230V)II 3/- G IIC T3 X Internal Atm. only
Items suppliedPumping unit completely 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 520 select - Pumping speed graph at 50 Hz

PC 520 select - Pumping speed graph at 50 Hz

PC 520 select - Pump down graph at 50 Hz (10 l volume)

PC 520 select - Pump down graph at 50 Hz
(10 l volume)

PC 520 select - Pumping speed graph at 60 Hz

PC 520 select - Pumping speed graph at 60 Hz

PC 520 select - Pump down graph at 60 Hz (10 l volume)

PC 520 select - Pump down graph at 60 Hz
(10 l volume)

PC 520 select - Dimension sheet

PC 520 select - Dimension sheet

-Technical data are subject to change without notice-

Ordering data

Product nameMains voltage and frequencyPlug* Old order-no.* New order-no.
PC 520 select 230 V~ 50-60 Hz
CEE 733350 20733350
230 V~ 50-60 Hz
CH 733351 20733351
230 V~ 50-60 Hz
UK 733352 20733352
100-115 V~ 50-60 Hz
120 V~ 60 Hz
US 733353 20733353
230 V~ 50-60 Hz
CN 733356 20733356
230 V~ 50-60 Hz
IN 733357 20733357

* As part of the implementation process of our new ERP system in 2018 our catalog numbers are 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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