Description
Vacuum adapter, cone NS 14,5/23, socket NS 14,5/23, straight is a precision laboratory glassware component for vacuum distillation assemblies. It features matching standard ground joints in a straight configuration, a vacuum connection olive of 8 mm and an integrated drip tip that promotes clean distillate transfer with minimal hold-up. Manufactured from borosilicate glass 3.3, the adapter provides the thermal shock resistance and chemical durability required for routine organic work under reduced pressure. The straight geometry supports direct inline connection between condenser and receiver or flask in classic distillation trains and rotary evaporator setups. This vacuum adapter from manufacturer Rettberg enables reliable vacuum take-off while preserving joint integrity and vapour path continuity. With a net weight of 0,022 kg it remains lightweight yet robust for repeated assembly and disassembly. Suitable for research, teaching and quality-control laboratories performing solvent removal, fractionation or concentration steps, the piece integrates seamlessly with existing NS 14,5/23 glassware. Supplied as 1 pc, it is an essential accessory for any laboratory distillation system that demands stable vacuum performance and inert glass surfaces.
This article is part of Hose connectors, adapters & fittings, in Tubing, hoses & fittings.
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What is this article?
Vacuum receiver, cone size 14,5/23, socket size 14,5/23, straight, is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Hose connectors, adapters & fittings, inside Tubing, hoses & fittings, in Matériel de laboratoire.
A hose connector or adapter joins two lines, or steps one bore down to another. The barb diameter has to match the tube, and the thread has to match the stopcock or the bottle. Most leaks are a mismatch here, not a hole in the tube.
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 Hose connectors, adapters & fittings. The catalogue is Matériel de laboratoire.
Shelves beside this one are PVC, PTFE & other tubing, Stopcocks & valves, Silicone tubing and Tubing accessories.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

