Chemistry pumping unit PC 611 select

Chemistry pumping unit PC 611 select
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PC 611 select

PC 611 select

VACUUBRAND737250ca. 457 mmca. 243 mmca. 20.6 kg

This chemistry vacuum pumping unit is an economic space-saving solution for simultaneous operation of two independent vacuum applications with one single pump. Based on our popular MD 4C NT three-stage chemistry diaphragm pump, the PC 611 select is frequently used for vacuum applications involving even high boiling point solvents. This pump has sufficient capacity for parallel operation of two demanding applications. One application is controlled by the VACUUSELECT vacuum controller an electronic solenoid valve. The second application is controlled by a manually controlled diaphragm valve. Both vacuum ports have integrated check valves to protect against cross contamination and interference.
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 distillations, or create your own application with simple drag-and-drop editing. For solvent evaporation, it detects the boiling pressure and switches to 2 point control mode 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
  • meets high vacuum requirements for most high boiling solvents
  • PC 611 select allows simultaneous operation of two independent vacuum applications

Technical data

Unit Converter
Technical dataUnit PC 611 select
Vacuum controllerVACUU·SELECT
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 connectionHose 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 243 x 457
Weightkg20.6
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 611 select - Pumping speed graph at 50 Hz

PC 611 select - Pumping speed graph at 50 Hz

PC 611 select - Pump down graph at 50 Hz (10 l volume)

PC 611 select - Pump down graph at 50 Hz
(10 l volume)

PC 611 select - Pumping speed graph at 60 Hz

PC 611 select - Pumping speed graph at 60 Hz

PC 611 select - Pump down graph at 60 Hz (10 l volume)

PC 611 select - Pump down graph at 60 Hz
(10 l volume)

PC 611 select - Dimension sheet

PC 611 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 611 select 230 V~ 50-60 Hz
CEE 737250 20737250
230 V~ 50-60 Hz
CH 737251 20737251
230 V~ 50-60 Hz
UK 737252 20737252
100-115 V~ 50-60 Hz
120 V~ 60 Hz
US 737253 20737253
230 V~ 50-60 Hz
CN 737256 20737256
230 V~ 50-60 Hz
IN 737257 20737257

* 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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