Description
Flexible coupling, DN 25 KF, 60 mm is a flexible coupling for laboratory vacuum systems with a DN 25 KF flange size and a length of 60 mm. This component serves as an accessory and spare part for laboratory equipment, enabling connection of KF-compatible vacuum lines and devices. Offered as a pack of 1 pc, the flexible coupling is produced by manufacturer WELCH and fits standard DN 25 KF interfaces used in laboratory vacuum setups. With its 60 mm length, the coupling provides a compact flexible link suitable for pumps, chambers, manifolds and related apparatus found in research and analytical laboratories. The DN 25 KF designation corresponds to the common Klein flange standard for medium-diameter vacuum connections. Laboratories selecting this flexible coupling obtain a ready-to-use piece for system assembly or replacement within existing KF vacuum configurations. It is classified among accessories and spare parts for laboratory instruments and supports everyday vacuum infrastructure needs in the laboratory environment without specialised adaptation.
This article is part of Hose connectors, adapters & fittings, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Product type: Flexible coupling
- Flange size: DN 25 KF
- Length: 60 mm
- Connection standard: KF
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Questions about Flexible Coupling, DN 25 KF, 60mm
What is this article?
Flexible Coupling, DN 25 KF, 60mm 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 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 Tubing, hoses & fittings. The sub-category is Hose connectors, adapters & fittings. The catalogue is Matériel de laboratoire.
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.
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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.