Description
GUKO rubber seal, Ø 40 mm, conical is a specialised laboratory sealing component for filter nutsches. This size 4 gasket provides an outer diameter of 40 mm, an inner diameter of 26 mm and a height of 27 mm in a conical profile that supports secure seating and leak-resistant performance during vacuum filtration. The rubber construction delivers reliable sealing on compatible nutsche filter apparatus used in routine sample preparation and solid-liquid separation. Its conical geometry aids straightforward installation and stable positioning under operating conditions typical of laboratory filtration workflows. Supplied as a single piece, the seal serves as a practical spare or replacement part for maintaining system integrity in research, quality-control and process laboratories. The component is offered by manufacturer ROBU - Stereon and is dimensioned specifically for size 4 filter nutsche applications, ensuring consistent fit and function across repeated use cycles in chemical and pharmaceutical environments.
This article belongs in Other instruments & spare parts.
Key features
- Pack size: 1 pc
- Size: 4
- Outer diameter: 40 mm
- Inner diameter: 26 mm
- Height: 27 mm
- EAN: 4058072058319
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Questions about GUKO Rubber gasket for funnels, Ø 40 mm, conical
What is this article?
GUKO Rubber gasket for funnels, Ø 40 mm, conical is the article on this page. Luminix Health distributes ROBU - Stereon for laboratory use. It sits in Other instruments & spare parts, in Instruments de précision.
Some instruments do not sit cleanly in one measuring principle, and every instrument eventually needs a spare: a lamp, a fuse, a seal, a knob. The spare has to be the part for that model. A near match is a different part. Calibration of the instrument, once it measures, belongs with EURAMET, BELAC and the BIPM.
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The category is Other instruments & spare parts. The catalogue is Instruments de précision.
Shelves beside this one are Instruments de précision.
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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.

