Description
Vacuum stopper, DURAN®, is a ground-glass joint component bent at 105° with sleeve/core size 19/26 for vacuum and distillation assemblies in the laboratory. The angled geometry supports compact connection of tubing or apparatus where a straight stopper would be impractical, while the standardised 19/26 joint integrates with matching DURAN® and other ground-joint glassware. Offered as a single unit with a weight of 0,030 kg, it is suited to building or servicing glass setups for distillation, extraction and related vacuum work. This stopper belongs to the family of glass components with ground joints used throughout preparative and analytical laboratories. From manufacturer Lenz, the DURAN® vacuum stopper provides a defined bent outlet for controlled vacuum lines on flasks and receivers. It is a practical spare or configuration part for benches that rely on interchangeable ground-joint systems, enabling quick replacement or expansion of existing apparatus without redesigning the whole train. Clear joint sizing and the established DURAN® designation help ensure correct pairing with complementary sleeves, cores and connectors in routine lab glass assemblies.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Product type: Vacuum stopper, DURAN®
- Bend angle: 105°
- Joint size: Sleeve/core 19/26
- Weight: 0,030 kg
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Questions about Vacuum stopper, DURAN®, bent 105°, sleeve/core 19/26, 1 unit(s)
What is this article?
Vacuum stopper, DURAN®, bent 105°, sleeve/core 19/26, 1 unit(s) is the article on this page. Luminix Health distributes Lenz for laboratory use. It sits in Rubber & silicone stoppers, inside Stoppers, caps & closures, in Labware.
A rubber or silicone stopper is pushed into a mouth. The size number corresponds to a top and bottom diameter. Silicone survives higher temperatures and more autoclave cycles. Natural rubber is attacked by oils and by some solvents.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Rubber & silicone stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Ground-joint glass stoppers, Lids & seals and Closures (other).
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.