Description
2-Way stopcock NS 24 with hollow NS glass plug is a precision laboratory valve for regulating liquid and gas streams in glass apparatus. It combines a hollow NS glass plug with a bent tube connection and a 6,3 mm bore, built to DIN 12553 for dependable sealing on standard ground joints. The NS 24 taper offers a secure fit for vacuum and atmospheric work in distillation, filtration and preparative chemistry. Supplied as a single unit with a net weight of 0,1 kg, the stopcock is ready for immediate integration into existing glassware assemblies. From manufacturer Witeg, the component provides the chemical resistance and dimensional accuracy expected of professional laboratory glass valves. Its two-way configuration enables simple shut-off or flow diversion without additional adapters. Ideal for research, teaching and industrial laboratories that standardise on DIN ground-joint systems, it supports leak-tight, solvent-resistant operation in routine and advanced fluid-handling applications.
This article is part of Rubber & silicone stoppers, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Type: 2-way stopcock
- Joint size: NS 24
- Bore: 6,3 mm
- Plug: Hollow NS glass plug
- Connection: Bent tube
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Questions about Stopcock, double bore, with hollow plug
What is this article?
Stopcock, double bore, with hollow plug is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Rubber & silicone stoppers, inside Stoppers, caps & closures, in Labware.
A rubber or silicone stopper is pushed into a mouth. The size number corresponds to a top and bottom diameter. Silicone survives higher temperatures and more autoclave cycles. Natural rubber is attacked by oils and by some solvents.
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 Rubber & silicone stoppers. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Ground-joint glass 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.