Description
Schlenk tube, 250 ml, with socket NS 29/32 and lateral high-vacuum PTFE valve is a graduated laboratory vessel for air- and moisture-sensitive chemistry. Fabricated from borosilicate glass 3.3, it incorporates a side-mounted high-vacuum PTFE valve with fine thread, a valve passage of 0 - 8 mm and an olive of Ø 8 mm for secure tubing connection. The graduated body enables convenient volume reading during transfers and reactions under inert gas or vacuum. Standard ground-joint socket NS 29/32 allows straightforward integration into existing Schlenk lines and manifold systems. This Schlenk apparatus component from manufacturer Rettberg is intended for organic synthesis, solvent handling and work with oxygen-sensitive reagents where reliable high-vacuum sealing is essential. Nominal volume is 0,250 l and net weight is 0,205 kg. The combination of precision glassware and adjustable PTFE valve supports controlled-atmosphere techniques in demanding laboratory environments.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Nominal volume: 0,250 l
- Joint size: NS 29/32
- Material: Borosilicate glass 3.3
- Valve bore: 0 - 8 mm
- Olive diameter: Ø 8 mm
- Technical Information Sheet:
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Questions about Nitrogen tube, 250 ml, graduated, socket size 29/32,
What is this article?
Nitrogen tube, 250 ml, graduated, socket size 29/32, is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Robinets & vannes, inside Tubes, tuyaux et raccords, in Matériel de laboratoire.
A stopcock opens and closes a line, or directs it between ports. Glass stopcocks have a ground plug that needs grease or a PTFE key. The bore decides the flow. A two-way and a three-way key are different parts.
Tubing is how a liquid or a gas moves between two vessels without being poured. Silicone stays flexible and survives repeated autoclaving. PTFE resists almost every solvent and is stiff. PVC is the ordinary flexible line for water and for mild aqueous work. The fitting, not the tube, is what usually leaks: the barb, the thread and the stopcock have to match the tube bore. Glass and plastic apparatus around these lines is indexed under ISO laboratory ware.
Which category should I open next?
The category is Tubes, tuyaux et raccords. The sub-category is Robinets & vannes. The catalogue is Matériel de laboratoire.
Shelves beside this one are Raccords pour tuyaux, adaptateurs & raccords, Tuyaux PVC, PTFE & autres, Tuyaux en silicone and Accessoires pour tuyaux.
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.