Description
Diaphragm vacuum pump N842.3FT.18 is a chemically resistant laboratory vacuum pump for aggressive and corrosive gases and vapours. It delivers a flow rate of 2,04 m³/h at atmospheric pressure and reaches an ultimate vacuum of 2 mbar abs., supporting applications such as rotary evaporation and distillation. High vapour and condensate tolerance comes from the PTFE pump head combined with a PTFE-coated diaphragm and FFPM valves. Operating overpressure is 1 bar, with ID10 mm hose connections. Net weight is 13,4 kg and dimensions are 167 × 223 × 341 mm (W × H × D). Electrical data include 245 W power consumption, 230 V AC supply, IP44 protection and a type F Schuko mains plug. This model from manufacturer KNF is built for demanding chemistry workflows that need stable vacuum performance and strong media compatibility. Optional accessories include vacuum chemistry hose and an outlet-side silencer for quieter operation in everyday laboratory use.
This article is part of Vacuum pumps, in Pumps, vacuum & evaporation.
Key features
- Pack size: 1 pc
- Flow rate: 2,04 m³/h
- Ultimate vacuum: 2 mbar abs.
- Operating overpressure: 1 bar
- Hose connections: ID10 mm
- Technical Information Sheet:
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Questions about Diaphragm Vacuum Pump N842.3FT.18
What is this article?
Diaphragm Vacuum Pump N842.3FT.18 is the article on this page. Luminix Health distributes KNF for laboratory use. It sits in Vacuum pumps, inside Pumps, vacuum & evaporation, in Instruments de laboratoire.
A laboratory vacuum pump lowers pressure for filtration or evaporation. A diaphragm pump tolerates solvent vapour better than an oil-sealed rotary vane pump, and it reaches a milder vacuum. The ultimate vacuum and the flow, and whether the wetted path survives the solvent, are the choices.
A vacuum pump lowers the pressure above a liquid so it boils at a lower temperature. That is the point of a rotary evaporator: solvent leaves a sample without cooking it. A diaphragm pump or a rotary-vane pump is chosen by the vacuum it reaches and by whether solvent vapour will destroy it. A peristaltic pump moves liquid by squeezing a tube, so the liquid touches only the tube. A barrel pump transfers a larger volume from a drum. The glassware on the evaporator is indexed under ISO laboratory glassware. Solvent identity is on PubChem.
Which category should I open next?
The category is Pumps, vacuum & evaporation. The sub-category is Vacuum pumps. The catalogue is Instruments de laboratoire.
Shelves beside this one are Rotary evaporators, Peristaltic & dosing pumps, Vacuum & pump accessories, Drum, barrel & transfer pumps and Pumps (other) & accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.