Description
1-Way stopcock bent NS 29 with a 10 mm bore is a precision laboratory glass stopcock intended for controlled routing of liquids and gases in chemical apparatus. It is fitted with a solid ground-joint plug and bent tube connections, giving a compact layout that suits crowded setups and side-arm configurations. The NS 29 joint size matches standard laboratory glassware, while the relatively large 10 mm bore supports efficient flow with low pressure drop. Manufactured to DIN 12541, the stopcock provides a reliable seal for everyday vacuum and atmospheric work. This model from Witeg is supplied as a complete unit ready for integration into distillation trains, vacuum lines, reaction assemblies and general fluid-control manifolds. Its robust construction supports repeated opening and closing cycles in research, teaching and industrial laboratories. Net weight is 0,164 kg. The bent design helps keep tubing and glassware organised without compromising accessibility of the stopcock handle.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Joint size: NS 29
- Bore: 10 mm
- Design: Bent tube connections
- Plug type: Solid NS plug
- Standard: DIN 12541
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Questions about Stopcock ST 29
What is this article?
Stopcock ST 29 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Stopcocks & valves, inside Tubing, hoses & fittings, in Labware.
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 Labware.
Shelves beside this one are Hose connectors, adapters & fittings, PVC, PTFE & other tubing, Silicone tubing and Tubing accessories.
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.