Description
Reducer, stainless steel, DN 25/16 KF is a vacuum flange adapter that steps a KF connection from DN 25 down to DN 16. The component is manufactured in stainless steel for use as laboratory equipment accessory hardware in KF vacuum lines, manifolds and instrument interfaces where a compact size change between these two nominal diameters is required. As a single-piece reducer it joins matching KF flanges without intermediate fittings, supporting clean assembly of vacuum apparatus, pumps and process modules that use the KF clamp system. The DN 25/16 designation defines the large and small flange ends clearly for correct orientation during installation. This stainless steel KF reducer from manufacturer WELCH is supplied as one piece for laboratories and technical workshops that standardise on KF hardware and need a durable metal transition between DN 25 and DN 16 ports. It belongs to the accessory and spare-parts range for laboratory devices and is selected whenever a reliable, corrosion-resistant size reduction is needed in KF vacuum setups.
This article is part of Hose connectors, adapters & fittings, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Product type: KF flange reducer
- Material: Stainless steel
- Flange standard: KF
- Large end: DN 25
- Small end: DN 16
Recently viewed
You may also like
Questions about Reducer, Stainless Steel, DN 25/16 KF
What is this article?
Reducer, Stainless Steel, DN 25/16 KF is the article on this page. Luminix Health distributes WELCH for laboratory use. It sits in Hose connectors, adapters & fittings, inside Tubing, hoses & fittings, in Labware.
A hose connector or adapter joins two lines, or steps one bore down to another. The barb diameter has to match the tube, and the thread has to match the stopcock or the bottle. Most leaks are a mismatch here, not a hole in the tube.
Tubing is how a liquid or a gas moves between two vessels without being poured. Silicone stays flexible and survives repeated autoclaving. PTFE resists almost every solvent and is stiff. PVC is the ordinary flexible line for water and for mild aqueous work. The fitting, not the tube, is what usually leaks: the barb, the thread and the stopcock have to match the tube bore. Glass and plastic apparatus around these lines is indexed under ISO laboratory ware.
Which category should I open next?
The category is Tubing, hoses & fittings. The sub-category is Hose connectors, adapters & fittings. The catalogue is Labware.
Shelves beside this one are PVC, PTFE & other tubing, Stopcocks & valves, Silicone tubing and Tubing accessories.
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.