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More protection against contaminants

11/02/2015

German gas technology manufacturer WITT is extending its range of fittings and launching a new version of gas filter 77, including certification by BAM (German Federal Institute for Materials Research and Testing) for oxygen service. In addition to removing contaminants, the new filter also keeps out condensate and protects downstream equipment, extending the equipment’s 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. Newly approved elastomers are also used. The filter with bronze element was tested by BAM and approved for use with oxygen up to 40 bar / 580 psi maximum operating overpressure. For other gases WITT specifies a maximum pressure of as much as 50 bar / 725 psi.

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.

The weight of model 77 with bronze or chromium-nickel-steel filter insert starts at 2.8 kg / 6 lb, depending on the connection. The fitting, which is compact given its performance, has a diameter of only 72 mm / 2.8 inches and a length of 205 mm / 8 inches. It is designed to be installed in pipes with thread or flange connections and is part of a product series that also includes models to build into outlet manifolds.

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Alexander Kampschulte

Alexander Kampschulte

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+49 (0)2302-8901-147

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Contact

Alexander Kampschulte

Alexander Kampschulte

Give us a call!

+49 (0)2302-8901-147

Send request Get call-back