Description
Centering ring with Perbunan O-ring, aluminium, DN 16 KF is a KF small-flange component for laboratory vacuum and process connections. It combines an aluminium centering ring with an integrated Perbunan O-ring for DN 16 KF (ISO-KF) flange joints, helping align mating flanges and seat the elastomeric seal in the interface. The aluminium body forms the mechanical centering element, while the Perbunan ring provides the compressible sealing lip used with standard KF clamps and flanges. Offered as 1 pc(s), the item is suited as an accessory or spare part when assembling, servicing, or restocking laboratory equipment that relies on DN 16 KF hardware. Typical contexts include pumps, manifolds, traps, and other apparatus fitted with Klein Flange connections of this nominal size. From manufacturer WELCH, the ring follows the stated aluminium and Perbunan material combination for DN 16 KF service. Correct nominal diameter selection supports geometric compatibility with existing DN 16 KF flanges and clamps. This single-piece format supports straightforward replacement of centering and sealing hardware in laboratory setups without multi-unit packs. It belongs to accessories and spare parts for laboratory devices and is specified solely by the DN 16 KF size plus aluminium/Perbunan construction given for this article.
This article is part of Hose connectors, adapters & fittings, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc(s)
- Product type: Centering ring with O-ring
- Material: Aluminium
- O-ring: Perbunan
- Flange size: DN 16 KF
- Connection standard: KF (ISO-KF)
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Questions about Centering Ring with Perbunan O-Ring, Aluminum, DN 16 KF
What is this article?
Centering Ring with Perbunan O-Ring, Aluminum, DN 16 KF is the article on this page. Luminix Health distributes WELCH for laboratory use. It sits in Raccords pour tuyaux, adaptateurs & raccords, inside Tubes, tuyaux et raccords, in Matériel de laboratoire.
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 Tubes, tuyaux et raccords. The sub-category is Raccords pour tuyaux, adaptateurs & raccords. The catalogue is Matériel de laboratoire.
Shelves beside this one are Tuyaux PVC, PTFE & autres, Robinets & vannes, Tuyaux en silicone and Accessoires pour tuyaux.
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.