Description
Thread adapter GL 14 to GL 18 is a laboratory glassware transition piece made from borosilicate glass 3.3 for connecting components with different GL screw-thread sizes. One side carries a GL 14 thread and the other a GL 18 thread, enabling secure, reusable coupling between mismatched GL fittings, caps and tubing without ground joints. Borosilicate glass 3.3 provides the chemical resistance and thermal stability needed for organic synthesis, distillation and general laboratory transfer applications. Supplied as a single piece with a net weight of 0,011 kg, this compact adapter fits neatly into modular glass systems and screw-coupling assemblies. From manufacturer Rettberg, it forms part of the range of transition pieces and screw couplings used wherever standardised GL threads are preferred. The robust glass construction withstands common laboratory solvents and moderate temperature changes while remaining easy to clean and inspect. Ideal for expanding or adapting existing GL-threaded apparatus, the adapter supports clear, leak-resistant configurations in research and teaching laboratories that rely on interchangeable screw-thread components.
This article is part of Hose connectors, adapters & fittings, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Material: Borosilicate glass 3.3
- Thread: GL 14 to GL 18
- Product type: Adapter
- Trademark: Rettberg ®
- Technical Information Sheet:
Récemment consulté
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Questions about Thread adapter GL 14 to GL 18
What is this article?
Thread adapter GL 14 to GL 18 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.
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.