Description
Cone NS 24/29 with right-angled tube, PTFE valve 0-3 mm and olive 8 mm is a laboratory glass adapter for controlled connections in chemical apparatus. Made from borosilicate glass 3.3, it combines a standard ground joint cone NS 24/29 with a right-angled side arm fitted with an adjustable PTFE valve (opening range 0–3 mm) and an 8 mm olive for flexible tubing. This layout supports precise regulation of gas or liquid flow when linking reaction vessels, condensers, distillation set-ups or vacuum lines in organic synthesis and analytical work. The PTFE valve provides smooth, chemically inert flow control, while the olive allows quick hose attachment without extra fittings. Supplied as a single piece with a net weight of 0,028 kg, the adapter offers the thermal and chemical resistance expected of borosilicate 3.3 laboratory glassware. From manufacturer Rettberg, the component integrates directly into existing NS joint systems and is well suited to compact angled take-off points that require fine manual adjustment. Its robust construction supports repeated assembly and disassembly in routine laboratory practice.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Joint size: NS 24/29
- Material: Borosilicate glass 3.3
- Valve: PTFE valve 0-3 mm
- Connection: Olive 8 mm
- Product type: Adapter
- Technical Information Sheet:
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Questions about Cone size 24/29, right angled tube, PTFE-valve 0-3 mm, hose connection 8 mm
What is this article?
Cone size 24/29, right angled tube, PTFE-valve 0-3 mm, hose connection 8 mm is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Stopcocks & valves, inside Tubing, hoses & fittings, in Labware.
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 Tubing, hoses & fittings. The sub-category is Stopcocks & valves. The catalogue is Labware.
Shelves beside this one are Hose connectors, adapters & fittings, PVC, PTFE & other tubing, Silicone tubing and Tubing 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.