Description
High-vacuum stopcock angle form with hollow glass key NS 29/10,0 mm bore is a robust laboratory valve engineered for high-vacuum applications. Manufactured from borosilicate glass 3.3, the stopcock adopts an angle form with right-angled limbs and incorporates a hollow glass key offering a 10,0 mm bore. The larger NS 29 ground joint provides secure connections for higher-capacity vacuum lines and apparatus. Net weight is 0,158 kg, giving a solid yet manageable component for glassware assemblies. This high-vacuum stopcock from manufacturer Rettberg benefits from the excellent chemical resistance and thermal stability of borosilicate glass 3.3. The angled design enables compact installation in complex vacuum systems while the hollow key ensures reliable sealing and smooth rotation under reduced pressure. Supplied as 1 pc, it is well suited for building or upgrading high-vacuum manifolds, freeze-drying equipment, distillation setups and research apparatus that demand dependable flow control and isolation of gases or vapours in chemical and physical laboratories.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Material: Borosilicate glass 3.3
- Form: Angle form with right-angled limbs
- Key type: Hollow glass key
- Joint size: NS 29
- Bore diameter: 10,0 mm
- Technical Information Sheet:
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Questions about High vacuum stopcock/right angle, hollow glass plug size 29/10,0 mm bore
What is this article?
High vacuum stopcock/right angle, hollow glass plug size 29/10,0 mm bore is the article on this page. Luminix Health distributes Rettberg 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.