Beschrijving
Flexible stirring coupling in PTFE for shafts of 5-10 mm diameter provides a versatile link between overhead stirrer motors and laboratory stirring shafts. The flexible construction compensates for small angular or axial offsets, minimising vibration and extending the service life of both motor and shaft. PTFE combined with polyamide delivers excellent chemical resistance against solvents, acids and bases used in organic synthesis and process chemistry. This coupling is designed for use between motor and stirrer and accommodates shafts in the 5-10 mm range. Supplied as one piece from manufacturer Witeg, it offers rapid installation and secure torque transfer. Net weight of 0,058 kg maintains a low rotating mass for smooth operation. Ideal for multi-neck flasks, reactors and general mixing applications where a chemically inert, adjustable-diameter flexible coupling is needed. The component supports reliable performance under typical laboratory stirring conditions while protecting glassware and drive units from mechanical stress.
This article is part of Stirring shafts, propellers & impellers, in Stirring, shaking & mixing.
Key features
- Pack size: 1 pc(s)
- Material: PTFE/polyamide
- Shaft diameter: 5-10 mm
- Type: Flexible stirring coupling
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Questions about Flexible coupling for stirrer 5-10 mm
What is this article?
Flexible coupling for stirrer 5-10 mm is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Stirring shafts, propellers & impellers, inside Stirring, shaking & mixing, in Instrumenten.
A shaft, a propeller or an impeller is the wetted end of an overhead stirrer. The diameter and the pitch decide whether the liquid turns over. The material, stainless steel or PTFE, decides what the liquid may be. The chuck size has to match the stirrer.
Stirring keeps a mixture uniform or helps a solid dissolve. A magnetic stirrer spins a bar inside a closed vessel. An overhead stirrer drives a shaft when the liquid is viscous or the volume is large. A vortex mixer agitates a tube. A shaker moves a whole rack or a plate. The shape of the impeller and the speed decide whether the liquid turns over or merely spins. The vessels being stirred are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stirring, shaking & mixing. The sub-category is Stirring shafts, propellers & impellers. The catalogue is Instrumenten.
Shelves beside this one are Magnetic stirring bars, Magnetic stirrers, Stirring & mixing accessories, Homogenisers & dispersers, Shakers, rockers & rotators, Overhead stirrers and Vortex mixers.
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.