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Technical Committee No
Status Active
Category Electrical Sector
Sub Category

This section of IEC 60534-2 is applicable to industrial-process control valves and provides the flow capacity test procedures for determining the following variables used in the equations given in IEC 60534-2-1 and IEC 60534-2-2: a) flow coefficient C; b) liquid pressure recovery factor without attached fittings FL; c) combined liquid pressure recovery factor and piping geometry factor of a control valve with attached fittings FLP; d) piping geometry factor Fp; e) pressure differential ratio factors xT and xTP; f) valve style modifier Fd; g) Reynolds number factor FR.

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