Description
LABOPORT® membrane vacuum pump N820.3FT.18 is a chemically resistant diaphragm vacuum pump for laboratory vacuum technology and filtration applications. The model delivers a flow rate of 20 l/min and reaches an ultimate vacuum of 8 mbar, supporting routine tasks such as filtration, evaporation support and general vacuum work with aggressive media where chemical resistance is required. Supplied as one complete unit with a net weight of 10,850 kg, it is suited to fixed bench or system installations in research and analytical laboratories. This LABOPORT® pump comes from manufacturer KNF and belongs to the diaphragm vacuum pump segment used across vacuum technology workflows. Clear model identification (N820.3FT.18) simplifies specification, replacement and inventory control for laboratory managers and technical purchasers. The chemically resistant construction addresses demanding solvent and reagent environments while remaining a practical choice for everyday laboratory vacuum service. Pack size is one piece, ready for integration into existing vacuum and filtration setups.
This article is part of Membrane filters, in Filtration.
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Questions about LABOPORT®- membrane vacuum pump, N820.3FT.18, chemically resistant, 1 unit(s)
What is this article?
LABOPORT®- membrane vacuum pump, N820.3FT.18, chemically resistant, 1 unit(s) is the article on this page. Luminix Health distributes KNF for laboratory use. It sits in Membrane filters, inside Filtration, in Lab consumables.
A membrane filter is the disc itself, without a syringe housing. Pore size, polymer and diameter are the specification, and the disc has to sit in a holder. Gridded membranes are for counting colonies. A membrane and a filter paper of the same diameter are not interchangeable.
Filtration holds back what is larger than the pores and lets the rest through. Paper is the ordinary laboratory filter. A membrane has a stated pore size and a polymer that must survive the solvent. A syringe filter is that membrane in a housing on a syringe. Glass fibre takes a higher dirt load. Ultrafiltration holds back macromolecules and passes salts. The pore size, the chemical compatibility and the volume are the three choices. Laboratory apparatus around filtration is indexed under ISO laboratory apparatus.
Which category should I open next?
The category is Filtration. The sub-category is Membrane filters. The catalogue is Lab consumables.
Shelves beside this one are Filter paper, Sintered glass filter plates & discs, Syringe filters, Filter cartridges & capsules, Glass & quartz fibre filters, Bottle-top & vacuum filtration units, Ultrafiltration & concentrators, Filtration accessories, Extraction thimbles and Dialysis tubing & devices.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.
How does ordering and shipping work?
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.

