Description
Gas inlet tube, cone NS 29/32 is a laboratory glassware component for introducing gases into reaction vessels and related apparatus. It is made from borosilicate glass 3.3 and features a ground joint cone of NS 29/32 for compatibility with standard laboratory joints. The item is supplied in a pack size of 1 pc and has a net weight of 0,042 kg. Originating from Germany, this gas inlet tube carries the Rettberg ® registered trademark and is available from manufacturer Rettberg. Classified as product type gas inlet tube, it belongs to the categories of inlet tubes and gas inlet tubes. The NS 29/32 cone enables secure connection in glassware assemblies used for gas delivery during chemical procedures. Borosilicate glass 3.3 forms the specified material of construction. Laboratory setups requiring controlled gas introduction through ground joints can incorporate this tube directly into matching socket systems for distillation, synthesis or similar workflows.
This article is part of PVC, PTFE & other tubing, in Tubing, hoses & fittings.
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Questions about Gas inlet tube, cone size 29/32
What is this article?
Gas inlet tube, cone size 29/32 is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in PVC, PTFE & other tubing, inside Tubing, hoses & fittings, in Matériel de laboratoire.
PVC is the flexible everyday tube for water and mild aqueous liquids. PTFE is the stiff, almost inert tube for solvents. Other polymers sit between them. The bore, the wall and the chemical resistance are the specification, and the tube is cut to length.
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 PVC, PTFE & other tubing. The catalogue is Matériel de laboratoire.
Shelves beside this one are Hose connectors, adapters & fittings, Stopcocks & valves, 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.

