DS DS/EN 60534-2-3
DS DSEN 60534-2-3 1999-SEP-10 ndustral-process control valves - Part 2-3 Flow capacty - Test procedures
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This section of IEC 60534-2 is applicable to industrial-process control valves and provides the flow capacity test procedures for determining the variables used in the equations given in IEC 60534-2-1 and IEC 60534-2-2.