Description
Joint clamps Safety Clip NS 12/21 are laboratory joint clips for securing ground-glass joints of nominal size NS 12/21 during assembly, reaction work, and apparatus setup. Manufactured from POM, the clips provide a lightweight polymer fastening solution for standard taper joints in glassware trains. Each pack contains 10 pc(s) and the pack weight is 0,034 kg, making the set easy to store in drawers or joint-clip organisers beside distillation, reflux, or filtration assemblies. These Safety Clip joint clamps sit within the stoppers and clamps category under laboratory glass, vessels, and consumables, and are intended to hold conical joints reliably so that apparatus remains aligned under mild mechanical stress. The NS 12/21 format from manufacturer Lenz matches widely used small-to-medium ground joints found in teaching, research, and analytical laboratories. POM construction offers a practical alternative to metal clips where corrosion resistance, low mass, and simple handling are preferred. Clear size marking on the product designation supports quick matching to jointed glassware, while the ten-piece pack quantity suits both individual benches and shared glassware stores that need ready spares for routine apparatus work.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
Key features
- Pack size: 10 pc(s)
- Product type: Joint clamps Safety Clip
- Joint size: NS 12/21
- Material: POM
- Weight: 0,034 kg
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Distillation & extraction glassware
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Distillation heads, adapters & columns
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Questions about Joint clamps Safety Clip, NS 12/21, POM, 10 unit(s)
What is this article?
Joint clamps Safety Clip, NS 12/21, POM, 10 unit(s) is the article on this page. Luminix Health distributes Lenz 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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.