Beschrijving
Cap with NS stopcock and straight olive NS19/26 is a laboratory glassware accessory designed for secure sealing and controlled fluid or gas handling on apparatus fitted with standard ground joints. It combines an NS 19/26 joint with an integrated stopcock and a straight olive outlet, enabling reliable tubing connections and precise on/off regulation during experimental work. Supplied in a pack size of 1 pc and with a net weight of 0,05 kg, this compact component supports everyday use in analytical chemistry, organic synthesis, distillation setups and general laboratory procedures that require airtight closures. The design from manufacturer Witeg ensures straightforward compatibility with common flasks and reaction vessels, facilitating easy assembly in vacuum lines, gas sparging or liquid transfer systems. Its robust construction suits research, quality-control and teaching environments where standardised fittings and dependable flow control are essential. The straight olive simplifies hose attachment, adding versatility for filtration, reaction monitoring or inert-atmosphere applications while maintaining a secure seal on the ground joint.
This article is part of Screw caps & closures, in Stoppers, caps & closures.
Key features
- Pack size: 1 pc
- Type: Cap with NS stopcock and straight olive
- Joint size: NS 19/26
- Country of origin: Germany
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Questions about SUCTION TUBE, WITH ST-STOPCOCK, STRAIG
What is this article?
SUCTION TUBE, WITH ST-STOPCOCK, STRAIG is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Schroefdoppen & sluitingen, inside Stoppen, doppen & sluitingen, in Labmateriaal.
A screw cap has a thread and a liner. The thread has to match the bottle. The liner has to survive the liquid: a pulp liner fails in a solvent that a PTFE-faced liner ignores. The colour of the cap is not the specification.
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 Stoppen, doppen & sluitingen. The sub-category is Schroefdoppen & sluitingen. The catalogue is Labmateriaal.
Shelves beside this one are Rubber- & siliconenstoppen, Glazen slijpstoppen, Deksels & afdichtingen and Sluitingen (overig).
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.