Description
Stirrer seal for 10 mm shaft is a laboratory stirring closure supplied complete with a glass adapter for cone joint NS 29. It is designed for shafts with a diameter of 10 mm and is suitable, among other uses, as a stirrer seal for the MyFerm I and MyFerm IV fermenters. Encapsulated V2A ball bearings support high gas tightness during operation. The shaft is fixed to the seal with clamping rings, so the rotating shaft does not cause sealing wear. The assembly from manufacturer Landgraf HLL is rated for speeds up to 800 rpm and temperatures up to 200 °C. This configuration is intended for sealed stirring applications where gas-tight performance and reduced seal abrasion are required on standard 10 mm shafts with NS 29 glass joints. Supplied as one piece, the stirrer seal supports reliable connection between drive shaft and glass apparatus in fermentation and general laboratory stirring set-ups.
This article is part of Lids & seals, in Stoppers, caps & closures.
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Questions about Stirring plug for shaft 10 mm, core grinding NS 29
What is this article?
Stirring plug for shaft 10 mm, core grinding NS 29 is the article on this page. Luminix Health distributes Landgraf HLL for laboratory use. It sits in Lids & seals, inside Stoppers, caps & closures, in Labware.
Lids and seals are the covers of dishes, jars and tanks: a snap lid, a sealing film, a gasket. The seal is doing the work. A lid that only rests on the rim does not contain a volatile liquid.
A closure is the part that decides whether a bottle stays shut and whether the contents attack the seal. A ground-glass stopper matches a ground neck. A screw cap needs the right thread and a liner that survives the liquid. Rubber and silicone stoppers push into a mouth. The liner, not the colour of the cap, is the chemical choice. The vessels they close are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Stoppers, caps & closures. The sub-category is Lids & seals. The catalogue is Labware.
Shelves beside this one are Screw caps & closures, Rubber & silicone stoppers, Ground-joint glass stoppers and Closures (other).
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.



