Description
Guko EPDM conical rubber seals for suction flasks enable a gas-tight link between filters and suction flasks for vacuum filtration. Fabricated from durable EPDM rubber in conical form, they protect glass parts from breakage while maintaining the airtight seal needed for effective vacuum filtration. This version features an upper diameter of 44 mm and a lower diameter of 27 mm, suited to matching filtration glassware. A baked-in white print marking remains permanently legible throughout laboratory use. Available from manufacturer Duran/DWK Life Sciences, the seal is intended for suction-flask assemblies used in everyday filtration work. The conical geometry promotes a progressive seal under vacuum, supporting consistent results in analytical and preparative procedures. With a net weight of 0,014 kg and supplied as one piece, it serves as a reliable consumable for sealing connections between filter funnels and suction bottles. These rubber gaskets are widely applied in chemistry and life-science laboratories wherever dependable vacuum integrity at the glass-to-glass interface is required.
This article belongs on Erlenmeyer flasks, in Beakers & flasks.
Key features
- Pack size: 1 pc(s)
- Storage temperature: Standard
- Material: EPDM rubber
- Form: Conical
- Upper diameter: 44 mm
- EAN: 4032051061859
- Technical Information Sheet:
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Questions about Rubber Conical Gasket Guko, made from EPDM, for filtering flasks
What is this article?
Rubber Conical Gasket Guko, made from EPDM, for filtering flasks is the article on this page. Luminix Health distributes DWK Life Sciences for laboratory use. It sits in Erlenmeyer flasks, inside Beakers & flasks, in Matériel de laboratoire.
An Erlenmeyer, or conical, flask has a flat base and a narrowing wall so a liquid can be swirled. It is the ordinary culture and titration flask. A baffled wall is a different article, used when the swirl must turn the liquid over.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Erlenmeyer flasks. The catalogue is Matériel de laboratoire.
Shelves beside this one are Round-bottom flasks, Beakers, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask 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.
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.