Beschreibung
Bottom drain valve for reaction vessel DN100 is a laboratory glassware component designed for controlled emptying of reaction vessels fitted with a bottom outlet. It combines a KS 40/25 shell interface with a stopcock ground joint NS 18,8/6, enabling secure attachment and precise flow regulation during synthesis, work-up or cleaning steps. The nominal diameter DN100 matches standard reaction-vessel bottom ports used in preparative and process chemistry. Supplied as a single piece with a net weight of 0,086 kg, the valve supports reliable drainage without compromising vessel integrity. Manufactured by Witeg, this bottom outlet cock is intended for integration into glass reaction systems where a dedicated drain path is required. Typical applications include organic synthesis setups, multipurpose reactors and pilot-scale glass apparatus that need a dedicated bottom discharge route. The compact design keeps dead volume low while the standardised joints ensure compatibility with common laboratory glassware. Ideal for laboratories seeking a dedicated DN100 bottom drain solution for reaction vessels.
This article is part of Microcentrifuge & reaction tubes, in Microplates, PCR & reaction tubes.
Key features
- Pack size: 1 pc
- Product type: Bottom drain valve
- Nominal diameter: DN100
- Stopcock joint: NS 18,8/6
- Shell connection: KS 40/25
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Microplates, PCR & reaction tubes
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Questions about Stopcocks for bottom outlet for reactio
What is this article?
Stopcocks for bottom outlet for reactio is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Microcentrifuge & reaction tubes, inside Microplates, PCR & reaction tubes, in Verbrauchsmaterialien.
A microcentrifuge tube, the familiar 1.5 mL or 2 mL flip-cap tube, holds a small reaction or a spin-down. The cap style, the centrifugal-force rating and whether the tube is low-binding are the specification. A PCR tube is thinner and is a different article.
A microplate is an array of wells so the same step can be done many times. A deep-well plate holds more volume. A PCR plate or a strip of tubes is thin-walled so the temperature of a cycler reaches the liquid quickly. A seal keeps the well from evaporating. The well number, the working volume and whether the plate is skirted for a robot are the choices. Diagnostic test systems are listed under ISO in vitro diagnostic systems. Methods are on PubMed.
Which category should I open next?
The category is Microplates, PCR & reaction tubes. The sub-category is Microcentrifuge & reaction tubes. The catalogue is Verbrauchsmaterialien.
Shelves beside this one are PCR plates, tubes & strips, Microplates, Plate seals & sealing films and Deep-well plates.
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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.
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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.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

