Description
Socket NS 19/26 DURAN is a ground joint sleeve for laboratory glassware connections, manufactured to DIN 12249. It features an outer diameter of 22 mm, a length of 125 mm and a wall thickness of 1,8 mm, forming a standardised female NS 19/26 taper. This geometry permits secure mating with matching male cones on flasks, condensers, adapters and related apparatus. Supplied as a single piece with a net weight of 0,032 kg, the socket comes from manufacturer Witeg and belongs to the established range of normed ground joints used in chemical laboratories. The DURAN designation indicates the glass type employed for the component. In daily practice the socket functions as a modular building block for distillation trains, reaction setups, vacuum lines and purification assemblies. The NS 19/26 size offers a practical balance of working volume and handling ease for medium-scale organic and analytical work. Defined dimensions according to DIN 12249 promote interchangeability with other compliant parts, simplifying apparatus design and spare-part logistics. When aligned and sealed correctly the joint supports stable connections under atmospheric or reduced-pressure conditions. Single-unit packaging aids inventory control and rapid replacement of individual joints in busy laboratory environments.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
Key features
- Pack size: 1 pc
- Joint size: NS 19/26
- Outer diameter: 22 mm
- Length: 125 mm
- Wall thickness: 1,8 mm
- Standard: DIN 12249
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Verrerie de distillation & d'extraction
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Têtes de distillation, adaptateurs & colonnes
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Questions about Socket ST 19/26, DIN 12249, A-Ø 22 mm,
What is this article?
Socket ST 19/26, DIN 12249, A-Ø 22 mm, is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Têtes de distillation, adaptateurs & colonnes, inside Verrerie de distillation & d'extraction, in Matériel de laboratoire.
A still head, an adapter or a column is the glass between the boiling flask and the condenser. A Vigreux or packed column gives the vapour a surface so a closer-boiling mixture can separate. The joint sizes at both ends have to match the flask and the condenser.
Distillation separates liquids by boiling point. A condenser turns the vapour back into liquid: Liebig, coil and cold-finger shapes differ in how much cooling surface they offer. A still head and a column sit between the flask and the condenser. A Soxhlet extractor washes a solid again and again with the same solvent. Ground joints have a standard size, and the joint, not the flask, is what has to match. The pieces are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Verrerie de distillation & d'extraction. The sub-category is Têtes de distillation, adaptateurs & colonnes. The catalogue is Matériel de laboratoire.
Shelves beside this one are Condenseurs, Verrerie à rodage (autre) and Appareils Soxhlet & d'extraction.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.