Beschrijving
Flat flange lid DN100 with centre neck NS 29/32 and angled side neck NS 29/32 is a multi-neck borosilicate glass cover for flat-flange laboratory vessels. The DN 100 flange mates with matching reaction flasks, while the centre neck (MH) NS 29/32 and one side neck (SH) NS 29/32 inclined at 15° allow simultaneous connection of stirrers, condensers, dropping funnels, sensors or other accessories. This dual-neck layout supports flexible multi-port setups on a single DN 100 flat flange without additional adapters. Borosilicate glass provides chemical resistance and thermal stability for synthesis, reflux and process applications. The lid from manufacturer Witeg is supplied as one piece with a net weight of 0,422 kg and is designed for integration with standard flat-flange seals, clamps and NS 29/32 ground-joint fittings. It is a practical choice for research and preparative laboratories that require a centre neck plus one angled side neck on DN 100 glassware.
This article is part of Reaction vessels & jacketed vessels, in Beakers & flasks.
Key features
- Pack size: 1 pc
- Product type: Flat flange lid
- Flange size: DN 100
- Centre neck: NS 29/32
- Side neck: NS 29/32 (15°)
- Material: Borosilicate glass
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Questions about Lid flat flange DN100 CN ST 29/32 SN ST 29/32
What is this article?
Lid flat flange DN100 CN ST 29/32 SN ST 29/32 is the article on this page. Luminix Health distributes Witeg for laboratory use. It sits in Reaction vessels & jacketed vessels, inside Beakers & flasks, in Labmateriaal.
A reaction vessel is the flask a synthesis actually runs in, sometimes jacketed so a fluid can heat or cool the wall. The joints, the working volume and the jacket connections are the specification. It is not a storage bottle.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Reaction vessels & jacketed vessels. The catalogue is Labmateriaal.
Shelves beside this one are Round-bottom flasks, Beakers, Erlenmeyer flasks, Flat-bottom flasks, Flasks (other) and Beaker & flask 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.

