Puridest PD 4 DG

LAUDA Puridest stills do not require any specialists for commissioning and maintenance and do not place any high demands on the raw water that is to be connected. Ultra-pure water is extracted by simply pressing a button.

Order no.: L003120


Glass Water Still (fully automatic) for double distillation, suitable for both bench and wall mounting
Condensers with dribble guard.
Economical energy consumption by distillation of the heated cooling water.
CO2 degassing through outlet in the condenser.
Electronic impurity detector effects rinsing and cleaning of the evaporator by automatic water change.
Distillate withdrawal through hose connection at the right-hand side.
Sterillisation of the condensers by steam.
Water saving through automatic water cut-off. Unnecessary water consumption will be avoided.
Electronic level control during the whole distilling process.
Quartz sheathed heating elements.
Evaporators, condensers and overflows are made of DURAN® / Borosilicate glass 3.3.
Solenoid valve to control the water supply
Visible distillation process due to the easily removable, unbreakable front screen which does not steam up.
Water level control in the boiler automatically switches off the power in case of water shortage.
Housing made of galvanised sheet steel, powder coated

Technical data (according to DIN 12876)

Conductivity stage 1 /25 °C
2.2 µS/cm
Conductivity stage 2 /25 °C
1.6 µS/cm
Production output
4 L/h
Heater power max.
5.8 kW
Max. power consumption
5.8 kW
Cooling water flow rate
2.4 L/min
Pressure difference cooling water min.
3 bar
Maximal pressure cooling water
7 bar
Dimensions (WxDxH)
650 x 365 x 390 mm
Ambient temperature range
10 ... 40 °C
Power supply
220 V; 3/PE; 50/60 Hz
Power plug
Power cord without plug (HAR)

Downloads - general product data

Please select which documents you would like to see in which language:

Available documents
Available languages
Device Device category Document type Language Format File size

Puridest Stills

Water stills Brochure
PDF 1,43 MB Download document

Chapter Stills
Overall brochure

Water stills Brochure
PDF 2,14 MB Download document


Water stills Operating instructions
PDF 867,79 kB Download document

Puridest R

Water stills Operating instructions
PDF 1 MB Download document

Puridest D

Water stills Operating instructions
PDF 1,26 MB Download document

Puridest DG

Water stills Operating instructions
PDF 1,15 MB Download document

There are already three products on your comparison list.
To compare other products, please delete one of the products on your comparison list.