German gas technology manufacturer Witt is extending its range of fittings and is launching a new version of gas filter 77, including certification for oxygen service by the German Federal Institute for Materials Research and Testing (BAM).
The filter is used to keep out tiny mechanical impurities in many industrial gases. A special feature of the model is that the filter can be replaced easily without dismantling the product. The condensate filtered out of the gas is removed via a drain outlet.
In addition to removing contaminants, it also keeps out condensate, protects downstream equipment and extends service life.
Witt made changes to the material used for this new product to extend its area of application to include oxygen. In contrast to the existing gas filter 77, the filter insert of the new model is made from bronze instead of chromium-nickel-steel. New approved elastomers are also used.
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