Description
Cylindrical dropping funnel 250 ml with pressure equalisation, NS 14/23 cone and socket, is an ungraduated laboratory glassware item intended for controlled addition of liquids in synthesis and preparative work. The funnel incorporates a ground NS stopcock plug fitted with threaded stopcock safety and a 4 mm bore, enabling precise flow regulation while the pressure-equalisation arm maintains balanced internal pressure during operation. Constructed for standard joint compatibility, the K+H NS 14/23 configuration allows direct connection to corresponding flasks and apparatus. The cylindrical body provides a compact form factor suited to fume-hood and bench setups. Offered in a pack of two pieces from manufacturer Witeg, this dropping funnel supports routine dosing, extraction and reaction-feed applications where ungraduated volume delivery and secure stopcock retention are required. Net weight is approximately 0,25 kg per unit. The design emphasises reliable sealing at the ground joints and stopcock, making it a practical choice for organic and inorganic laboratory procedures that demand controlled liquid transfer under equalised pressure conditions.
This article is part of Dropping funnels, in Funnels.
Key features
- Pack size: 2 pc(s)
- Product type: Cylindrical dropping funnel
- Capacity: 250 ml
- Joint size: NS 14/23 (cone + socket)
- Stopcock: NS plug with threaded safety, 4 mm bore
- Design: Pressure equalisation, ungraduated
Recently viewed
You may also like
Questions about Dropping funnels cylindrical 250ml C+S ST 14/23
What is this article?
Dropping funnels cylindrical 250ml C+S ST 14/23 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Dropping funnels, inside Funnels, in Labware.
A dropping funnel adds a liquid slowly into a closed reaction through a stopcock and usually a ground joint. A pressure-equalising arm keeps the funnel from air-locking. The joint size and the volume are the specification.
A funnel guides a liquid or a powder into a narrower mouth. A filter funnel holds a paper. A Büchner funnel is the flat perforated plate used with vacuum. A separating funnel has a stopcock so two liquid layers can be run off one at a time. A dropping funnel adds a reagent slowly into a reaction. The bore and the stopcock are the parts that matter. This glassware is listed under ISO laboratory glassware.
Which category should I open next?
The category is Funnels. The sub-category is Dropping funnels. The catalogue is Labware.
Shelves beside this one are Funnels (plastic, glass & steel), Büchner & filter funnels, Separating funnels and Powder funnels.
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.