Beschrijving
Flat flange lid DN 150 is a laboratory multi-neck lid engineered for flat-flange reaction vessels that require a larger centre port. It offers a flange outer diameter of 184 mm for DN 150 plan-flange systems, a wide centre neck ground to NS 45/40, and three angled side necks each NS 29/32. The generous NS 45/40 centre opening accommodates larger stirrer assemblies, wide-bore condensers or bulky adapters, while the three angled NS 29/32 side necks provide convenient access for addition funnels, thermometers, gas inlets or sampling devices. Delivered as a single piece with a net weight of 0,906 kg, the lid is practical to mount and remove during routine laboratory operations. Made by Witeg, it suits demanding synthesis, scale-up and process-development work where multi-port flexibility on a DN 150 flat flange is essential. Angled side-neck geometry improves clearance between accessories and helps maintain stable joint seating under thermal or mechanical load. Appropriate for organic chemistry, pharmaceutical R&D and preparative setups needing a robust DN 150 flat-flange lid with an NS 45/40 centre neck.
This article is part of Reaction vessels & jacketed vessels, in Beakers & flasks.
Key features
- Pack size: 1 pc
- Nominal diameter: DN 150
- Flange outer diameter: 184 mm
- Centre neck: NS 45/40
- Side necks: 3 × NS 29/32, angled
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Questions about Lid flat flange DN 150
What is this article?
Lid flat flange DN 150 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.

