New safety valve AV919 protects against gas overpressure WITT-Gasetechnik
Even the smaller AV619 version is impressive. It blows off unwanted overpressure in a very low range from 5 to 500 mbar with the greatest reliability and consistency. As a comparison: Standard valves corresponding to the Pressure Equipment Directive 97/23/EEC applicable for this product group often only respond after an overpressure a hundred times greater. The new AV919 also masters these low setting pressures, while keeping a blow-off volume ten times greater at 967 m³/h under control. The opening pressure of the new development, still very compact despite being around 90 x 170 mm larger, is set precisely at the factory. The manufacturer can provide a TÜV (Technical Inspectorate Authority) test on request. This component weighing only around 1500 grams can be used with all technical gases in a wide temperature range from -40 to +300 °C.
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16 February 2012
