Description
Coil condenser NS 24/29 is a laboratory glassware component designed as a product cooler for distillation, reflux and vapour-condensation applications. It features a ground-joint core and sleeve in the widely used NS 24/29 standard, guaranteeing secure, interchangeable connections within larger glass apparatus trains. The cooling jacket extends 250 mm, offering an extended heat-exchange surface that supports efficient condensation of higher-boiling solvents and reaction mixtures. Packaged as two pieces, the condenser is produced by Witeg and integrates readily into preparative organic chemistry, solvent recycling and teaching-lab setups. The internal coil geometry maximises coolant contact while the overall dimensions remain practical for standard fume hoods. With a net weight of 0,291 kg the unit balances thermal capacity and ease of handling. Laboratories appreciate the robust joint finish and generous jacket length when assembling multi-neck flasks, rotary-evaporator trains or continuous-extraction systems that require reliable cooling performance. The design reduces the need for intermediate adapters and helps maintain low dead volume throughout the vapour path, contributing to cleaner separations and reproducible results in everyday synthetic and analytical work.
This article is part of Condensers, in Distillation & extraction glassware.
Key features
- Pack size: 2 pc(s)
- Product type: Coil condenser (product cooler)
- Joint size: NS 24/29 (core + sleeve)
- Jacket length: 250 mm
- Country of origin: Germany
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Questions about Spiral condenser ST 24/29
What is this article?
Spiral condenser ST 24/29 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Condensers, inside Distillation & extraction glassware, in Labware.
A condenser turns vapour back to liquid. A Liebig is a straight jacket. A coil packs more surface into a short height. A cold finger cools from the inside. The water connections and the joint size are the practical specification, together with the cooled length.
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 Condensers. The catalogue is Labware.
Shelves beside this one are Distillation heads, adapters & columns, Ground-joint glassware (other) 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.
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.

