Description
SVS screw connection NS 29/32 is a glass laboratory adapter that unites a ground cone joint NS 29/32 with a GL 45 screw thread. Designed as an SVS thread transition piece and delivered as glass parts only according to DIN 12257, it enables secure, chemically resistant coupling between standard ground-joint apparatus and screw-thread fittings. The all-glass build preserves optical clarity at the joint and supports repeated assembly in distillation, reflux and vacuum applications. This component from manufacturer Witeg offers a practical NS-to-GL solution for medium-sized laboratory glassware trains. Accurate cone and thread dimensions promote consistent sealing performance when used with compatible gaskets and clamps. Weighing 0,046 kg net, the adapter remains lightweight yet robust for everyday bench handling. It integrates readily into existing NS 29/32 systems that require a GL 45 outlet or inlet, making it a useful modular element for organic synthesis, preparative chemistry and general laboratory glass assemblies needing standardised screw connections.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
Key features
- Pack size: 1 pc
- Product type: SVS screw connection
- Cone joint: NS 29/32
- Thread: GL 45
- Design: SVS thread transition piece
- Construction: Glass parts only
- Technical Information Sheet:
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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 ST 29/32
What is this article?
Screw-thread, with cone ST 29/32 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.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.