Description
SVS Screw Connection NS 24/29 is a precision laboratory glass adapter that links standard ground-joint apparatus to screw-thread systems. It combines a conical core joint NS 24/29 with a GL 18/8 thread, allowing secure, modular coupling in chemical and analytical setups. The integrated seal measures 16 × 8 mm and the overall length is 75 mm; the article is supplied as the glass part only. With a net weight of 0,013 kg, the compact piece fits neatly into distillation trains, synthesis lines and sample-preparation manifolds where space and chemical resistance matter. Manufactured by Witeg, the connector belongs to the family of transition pieces, standard-ground reducers and screw couplings used throughout organic and inorganic laboratories. Its SVS design supports clean, leak-resistant interfaces between NS joints and GL closures without introducing additional metal or polymer components into the wetted path. Ideal for routine glassware assemblies that must switch between conical joints and threaded caps while maintaining dimensional consistency and ease of assembly.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
Key features
- Pack size: 1 pc(s)
- Joint size: NS 24/29
- Thread: GL 18/8
- Seal dimensions: 16 x 8 mm
- Length: 75 mm
- Configuration: Glass part only
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Distillation & extraction glassware
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Distillation heads, adapters & columns
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Questions about Screw-thread, with cone, cone ST 24/29
What is this article?
Screw-thread, with cone, cone ST 24/29 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Distillation heads, adapters & columns, inside Distillation & extraction glassware, in Labware.
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 Distillation & extraction glassware. The sub-category is Distillation heads, adapters & columns. The catalogue is Labware.
Shelves beside this one are Condensers, 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.
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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.