Beschrijving
Hoffmann pinchcock 25 mm is a laboratory hose clamp intended for secure compression and flow control of flexible tubing. Constructed from nickel-plated brass and equipped with a flap, it provides dependable opening and closing of soft hoses matching the 25 mm size without the need for screw fittings. The sturdy metal design withstands repeated use in everyday laboratory and technical environments. With a net weight of 0,022 kg the clamp is still lightweight and simple to place along the hose. It serves effectively as a pinchcock or hose clamp in chemistry, biology, educational and general laboratory applications for temporary or continuous regulation of liquid or gas streams. This Hoffmann-style pinchcock from manufacturer Usbeck is offered as a single piece and corresponds to standard laboratory tubing diameters for the 25 mm format. Nickel-plated brass helps resist corrosion under normal lab conditions, and the integrated flap supports convenient handling. Suitable for research benches, preparation stations and industrial laboratory workflows that require straightforward, robust hose control.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
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Questions about Tubing Clamp Hoffmann 25 mm
What is this article?
Tubing Clamp Hoffmann 25 mm is the article on this page. Luminix Health distributes Usbeck for laboratory use. It sits in Stopcocks & valves, inside Tubing, hoses & fittings, in Labmateriaal.
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 Labmateriaal.
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.
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.

