Beschreibung
Flexible PTFE stirring coupling for shaft 16 mm connects a laboratory stirrer motor to a stirring shaft while providing flexibility between the drive and the shaft. Constructed from PTFE and polyamide, the coupling is intended for use with 16 mm diameter shafts and supports smooth torque transfer in everyday mixing applications. The flexible design helps compensate for small misalignments, reducing stress on bearings and seals during continuous operation. Suitable for chemical, analytical and process laboratories, it belongs to the group of stirring couplings and quick-connect couplings. Net weight is 0,089 kg. Available as one piece from manufacturer Witeg, the component fits standard overhead stirrer configurations that require a PTFE-based flexible interface. It is appropriate for dissolution, homogenisation and suspension work where chemical resistance and mechanical compliance are beneficial. The unit is supplied ready for installation on compatible 16 mm shafts in research and quality-control environments.
This article is part of Stirring shafts, propellers & impellers, in Stirring, shaking & mixing.
Key features
- Pack size: 1 pc
- Product type: Flexible PTFE/polyamide stirring coupling
- Shaft diameter: 16 mm
- Material: PTFE/polyamide
- Origin: Germany
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Questions about Coupling for stirrer flexible PTFE for shaft 16 mm
What is this article?
Coupling for stirrer flexible PTFE for shaft 16 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 Präzisionsinstrumente.
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 Präzisionsinstrumente.
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.

