Beschrijving
Straight-through stopcock according to Schiff NS 29,2 is a precision glass laboratory stopcock for controlled flow in apparatus with interchangeable ground joints. It is built with a hollow NS glass plug measuring 18 × 120 mm and a 10 mm bore, giving a clear straight passage when open while maintaining a reliable seal when closed. The design follows DIN 12545 and matches standard NS 29,2 conical joints, so it fits common laboratory glassware without adapters. Supplied as a single piece with a net weight of 0,217 kg, the stopcock is intended for everyday use as a conical valve or shut-off element in distillation lines, reaction setups and general wet-chemistry assemblies. The unit from manufacturer Witeg is finished for routine laboratory handling and integrates directly into existing NS ground-joint systems. Its straight-through geometry minimises flow restriction and supports reproducible operation wherever a durable glass stopcock of NS 29,2 size is required.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Type: Straight-through stopcock according to Schiff
- Joint size: NS 29,2
- Plug dimensions: 18 × 120 mm hollow NS glass plug
- Bore: 10 mm
- Standard: DIN 12545
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Questions about Stopcock, Schiff, NS 29,2
What is this article?
Stopcock, Schiff, NS 29,2 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Stopcocks & valves, inside Tubing, hoses & fittings, in Labmateriaal.
A stopcock opens and closes a line, or directs it between ports. Glass stopcocks have a ground plug that needs grease or a PTFE key. The bore decides the flow. A two-way and a three-way key are different parts.
Tubing is how a liquid or a gas moves between two vessels without being poured. Silicone stays flexible and survives repeated autoclaving. PTFE resists almost every solvent and is stiff. PVC is the ordinary flexible line for water and for mild aqueous work. The fitting, not the tube, is what usually leaks: the barb, the thread and the stopcock have to match the tube bore. Glass and plastic apparatus around these lines is indexed under ISO laboratory ware.
Which category should I open next?
The category is Tubing, hoses & fittings. The sub-category is Stopcocks & valves. The catalogue is Labmateriaal.
Shelves beside this one are Hose connectors, adapters & fittings, PVC, PTFE & other tubing, Silicone tubing and Tubing accessories.
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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.
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.