Description
Spherical joint socket KS19/9 is a precision laboratory glassware component for spherical joint connections in chemical apparatus assemblies. Fabricated from DURAN tubing to the KS 19/9 specification, it measures 12 × 100 × 1,5 mm and provides a secure fit with the chemical resistance typical of high-quality borosilicate glass. Supplied as one piece with a net weight of 0,014 kg, the socket is intended for modular glass systems in which spherical joints permit flexible angular alignment. The DURAN material contributes thermal stability and broad reagent inertness, supporting use in vacuum lines, distillation setups, and reaction trains. This spherical joint socket from manufacturer Witeg couples with matching spherical joint balls for straightforward, reproducible assembly and disassembly. Standardised KS geometry helps achieve leak-resistant joints in organic synthesis, sample preparation, and process-development laboratories that depend on consistent glassware connections.
This article is part of Ground-joint glassware (other), in Distillation & extraction glassware.
Key features
- Pack size: 1 pc
- Joint size: KS 19/9
- Material: DURAN tubing
- Dimensions: 12 x 100 x 1,5 mm
- Country of origin: Germany
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Questions about Spherical joint, socket member, S 19/9,
What is this article?
Spherical joint, socket member, S 19/9, is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Verrerie à rodage (autre), inside Verrerie de distillation & d'extraction, in Matériel de laboratoire.
This is ground-joint glassware that is not a head, a condenser or a Soxhlet: receivers, blank joints, odd adapters. A ground joint is named by the wide end and the length, such as 29/32. Mismatched joints do not seal, even with grease.
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 Verrerie à rodage (autre). The catalogue is Matériel de laboratoire.
Shelves beside this one are Têtes de distillation, adaptateurs & colonnes, Condenseurs and Appareils Soxhlet & d'extraction.
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.
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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.
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.