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Double-chamber gas bubble counter with cone and socket NS 29/32 provides clear visual indication of gas flow in laboratory gas-handling systems. Made from borosilicate glass 3.3, the counter features a dual-chamber body with integrated backflow protection and is designed for vertical mounting. It can be operated under both overpressure and underpressure conditions, supporting diverse process and research configurations. The larger NS 29/32 ground joint delivers a secure, standardized connection to compatible apparatus. Offered as one piece with a net weight of 0,135 kg, this bubble counter from manufacturer Rettberg bears the Rettberg ® registered trademark and is appropriate for synthesis setups, inert-gas lines and analytical gas trains that require continuous bubble observation. Borosilicate glass 3.3 ensures strong resistance to common solvents and reagents together with good thermal durability. The built-in backflow safeguard helps protect upstream equipment from liquid return, while the double-chamber geometry improves readability of bubble rate under varying flow conditions in professional laboratory environments.
This article is part of Distillation heads, adapters & columns, in Distillation & extraction glassware.
Key features
- Pack size: 1 pc
- Joint size: NS 29/32
- Material: Borosilicate glass 3.3
- Product type: Bubble counter
- Design: Double-chamber with backflow protection
- Installation: Vertical
- Technical Information Sheet:
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Destillatie- & extractieglaswerk
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Destillatiekoppen, adapters & kolommen
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Questions about Double-chamber gas bubble counter, cone and socket NS 29/32
What is this article?
Double-chamber gas bubble counter, cone and socket NS 29/32 is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Destillatiekoppen, adapters & kolommen, inside Destillatie- & extractieglaswerk, in Labmateriaal.
A still head, an adapter or a column is the glass between the boiling flask and the condenser. A Vigreux or packed column gives the vapour a surface so a closer-boiling mixture can separate. The joint sizes at both ends have to match the flask and the condenser.
Distillation separates liquids by boiling point. A condenser turns the vapour back into liquid: Liebig, coil and cold-finger shapes differ in how much cooling surface they offer. A still head and a column sit between the flask and the condenser. A Soxhlet extractor washes a solid again and again with the same solvent. Ground joints have a standard size, and the joint, not the flask, is what has to match. The pieces are indexed under ISO laboratory glassware.
Which category should I open next?
The category is Destillatie- & extractieglaswerk. The sub-category is Destillatiekoppen, adapters & kolommen. The catalogue is Labmateriaal.
Shelves beside this one are Koelers, Slijpstukglaswerk (overig) and Soxhlet- & extractieapparatuur.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.