Description
CF to KF adapter, stainless steel, DN 40 CF / DN 25 KF provides a direct mechanical interface between a DN 40 ConFlat flange and a DN 25 Klein Flange connection. This stainless-steel vacuum component is intended for laboratory and research installations that require reliable coupling of CF and KF standards within the same vacuum circuit. The single-piece adapter allows pumps, gauges, valves or process chambers fitted with one flange type to be joined to complementary KF or CF hardware without custom machining. Stainless steel construction delivers the rigidity and corrosion resistance expected in routine vacuum service. Supplied as one piece, the fitting integrates readily into modular manifolds and instrument frames. Offered by manufacturer WELCH, the DN 40 CF to DN 25 KF transition supports flexible system layout in analytical laboratories, pilot plants and experimental vacuum benches. Its standardised geometry ensures compatibility with conventional CF knife-edge seals and KF centering rings, helping users expand or reconfigure existing vacuum lines while maintaining consistent sealing practice across mixed-flange assemblies.
This article is part of Other instruments & spare parts.
Key features
- Pack size: 1 pc
- Product type: CF to KF adapter
- Material: Stainless steel
- CF connection: DN 40
- KF connection: DN 25
Recently viewed
You may also like
Questions about CF to KF Adapter, Stainless Steel, DN 40 CF / DN 25 KF
What is this article?
CF to KF Adapter, Stainless Steel, DN 40 CF / DN 25 KF is the article on this page. Luminix Health distributes WELCH for laboratory use. It sits in Other instruments & spare parts, in Lab instruments.
Some instruments do not sit cleanly in one measuring principle, and every instrument eventually needs a spare: a lamp, a fuse, a seal, a knob. The spare has to be the part for that model. A near match is a different part. Calibration of the instrument, once it measures, belongs with EURAMET, BELAC and the BIPM.
Which category should I open next?
The category is Other instruments & spare parts. The catalogue is Lab instruments.
Shelves beside this one are Lab instruments.
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.