General Glassware DURAN® Gas Washing Bottle, Drechsel type head, with filter disc

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  • Drechsel type head
  • With screw-connection system
  • Fired-on, highly durable white print
  • Individual parts can also be ordered separately
  • Easy-to-read scale with graduation marks to estimate the content

Product Overview

For gas filtration and cleaning, gas washing bottles are required which consist of a gas distribution tube, a suitable bottle and a gas outlet opening. In this test setup, the gas is forced to flow through a liquid before it is released. The gas distribution pipe is immersed in the liquid for this purpose, the gas interferes through it and impurities of the gas are bound in the liquid. The gas is cleaned or washed so to speak. A filter disk in the gas distribution tube creates air bubbles that are as small as possible and thus form as large a contact area as possible.


Boro 3.3 = Borosilicate glass 3.3 has a very good chemical resistance, virtual inert behavior, a high maximum usage temperature, high light transparency and minimal thermal expansion. Borosilicate glass 3.3 has a linear coefficient of expansion of 3.3 × 10−6 K−1 at 20 °C. It also conforms to the requirements of a USP/EP/JP Type 1 neutral glass suitable for use by the pharmaceutical industry. The properties of DURAN® are specified to ISO 3585 and ASTM-E438 Type 1 Class A.
Porosity = 1
Material = BORO 3.3
Autoclavable = Yes
Quantity = 1