Description
Disposable stopcock with solid glass plug NS 29/10,0 mm bore is a laboratory glass valve for fluid control in chemical apparatus. It is made from borosilicate glass 3.3 and is fitted with bent tube connections together with a stopcock plug retainer. The solid glass plug matches an NS 29 ground joint and provides a 10,0 mm bore for flow regulation in glassware assemblies. This single-piece unit belongs to the valves and conical stopcock group and is intended for shut-off duties in laboratory setups. The stopcock from manufacturer Rettberg has a net weight of 0,176 kg and is supplied as one piece. Bent tube ends allow connection to adjacent tubing or apparatus, while the plug retainer holds the solid glass plug securely during use. Borosilicate glass 3.3 supplies the chemical resistance typical of standard laboratory glassware. The disposable construction supports single-use workflows where cleaning and reuse of stopcocks is not required. Typical applications include general laboratory valves, conical stopcocks and isolation valves in research and analytical environments that need inert glass surfaces for fluid handling.
This article is part of Ground-joint glass stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Material: Borosilicate glass 3.3
- Plug type: Solid glass plug
- Joint / bore: NS 29/10,0 mm
- Connections: Bent tube ends with plug retainer
- Technical Information Sheet:
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Questions about Stopcock, straight bore, solid glass plug size 29/10,0 mm bore
What is this article?
Stopcock, straight bore, solid glass plug size 29/10,0 mm bore is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Ground-joint glass stoppers, inside Stoppers, caps & closures, in Labware.
A ground-glass stopper matches a ground neck of a stated joint size. A 14/23 stopper does not seal a 29/32 neck. The stopper is part of the flask's seal, and a chip on the grind is a leak.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Ground-joint glass stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Rubber & silicone stoppers, Lids & seals and Closures (other).
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.