Beschrijving
Hoffmann pinchcock 12 mm is a compact tubing clamp for regulating or interrupting liquid or gas flow in flexible laboratory tubing without disconnecting the line. The clamp is made of brass with a nickel-plated finish and incorporates a flap mechanism typical of the Hoffmann design, allowing progressive compression of the hose until flow is reduced or fully stopped. With a 12 mm working width it suits common soft tubing diameters used in titration setups, chromatography, aspirators, cooling circuits and general bench fluid handling. Supplied as a single piece from manufacturer Usbeck, the pinchcock offers a durable metal construction that withstands repeated open–close cycles in teaching, research and quality-control environments. Its simple screw-and-flap action gives tactile control over flow rate and does not require tools for everyday adjustment. Ideal wherever a reusable, corrosion-resistant pinch valve is preferred over single-use plastic clips for temporary flow control on flexible tubing runs.
This article is part of Stopcocks & valves, in Tubing, hoses & fittings.
Key features
- Pack size: 1 pc
- Type: Hoffmann pinchcock
- Opening width: 12 mm
- Material: Brass
- Finish: Nickel-plated
- Design: With flap
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Questions about Tubing Clamp Hoffmann 12 mm
What is this article?
Tubing Clamp Hoffmann 12 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.