Description
Spherical joint socket KS 40/25 is a laboratory glassware fitting for spherical ground-joint couplings in chemical apparatus and analytical systems. As the socket (Schale) counterpart of a ball-and-socket pair, it is manufactured to the geometry and interchangeability principles of DIN 12244 and DIN 12266, enabling dependable mating with the corresponding ball joint of the same size series. The KS 40/25 designation specifies the nominal joint dimensions used when building or servicing modular glass setups that benefit from angular freedom and reduced mechanical stress versus rigid conical joints. Offered as one piece per unit, the socket supports vacuum and process lines, reaction assemblies, distillation trains, and other laboratory configurations where spherical joints simplify connection and disconnection. From manufacturer Schlee, this component fits DIN-oriented spherical-joint inventories and everyday lab-material workflows. Explicit KS 40/25 sizing helps technicians identify the correct part quickly during assembly or replacement. Suitable for research, education, and routine laboratory environments that standardise on spherical joints for flexible, well-aligned glassware connections.
This article is part of Ground-joint glassware (other), in Distillation & extraction glassware.
Key features
- Pack size: 1 pc(s)
- Product type: Spherical joint socket
- Size designation: KS 40/25
- Standard: DIN 12244 / DIN 12266
- Joint component: Socket (Schale)
- Technical Information Sheet:
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Distillation & extraction glassware
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Ground-joint glassware (other)
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Questions about Spherical joints according DIN 12244/12266, cup KS 40/25
What is this article?
Spherical joints according DIN 12244/12266, cup KS 40/25 is the article on this page. Luminix Health distributes Schlee for laboratory use. It sits in Ground-joint glassware (other), inside Distillation & extraction glassware, in Labware.
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 Distillation & extraction glassware. The sub-category is Ground-joint glassware (other). The catalogue is Labware.
Shelves beside this one are Distillation heads, adapters & columns, Condensers and Soxhlet & extraction apparatus.
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.