Description
Ball valve VK 25 in brass with KF DN 25 flange connection is a compact vacuum-compatible shut-off valve designed for laboratory and process vacuum systems. The brass body provides good mechanical strength and corrosion resistance under typical laboratory conditions, while the KF DN 25 interface allows rapid, tool-free integration into standard small-flange vacuum lines. This valve from manufacturer VACUUBRAND is supplied as a single unit and is intended for isolation, venting or flow control duties in vacuum manifolds, pumping stations and analytical instrumentation. Its straightforward ball-valve mechanism ensures reliable open/close operation with minimal pressure drop when fully open. Net weight is 0,679 kg and gross weight 0,900 kg, making the component easy to handle during installation or system reconfiguration. Produced in Germany, the VK 25 supports everyday vacuum applications in research, quality-control and industrial laboratories that rely on KF small-flange technology for modular, leak-tight connections.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Valve type: Ball valve VK 25
- Body material: Brass
- Flange connection: KF DN 25
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Questions about Ball valve VK 25, KF25, brass
What is this article?
Ball valve VK 25, KF25, brass is the article on this page. Luminix Health distributes VACUUBRAND for laboratory use. It sits in Stopcocks & valves, inside Tubing, hoses & fittings, in Matériel de laboratoire.
A stopcock opens and closes a line, or directs it between ports. Glass stopcocks have a ground plug that needs grease or a PTFE key. The bore decides the flow. A two-way and a three-way key are different parts.
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 Stopcocks & valves. The catalogue is Matériel de laboratoire.
Shelves beside this one are Hose connectors, adapters & fittings, PVC, PTFE & other tubing, 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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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.