IEC 60534 PDF

IEC Standard | water management, smart city | Industrial-process control valves – Part 1: Control valve terminology and general. IEC (E) is applicable to industrial-process control valves and provides the flow capacity test procedures for determining the. IEC Standard | water management, smart city | Industrial- process control valves – Part Dimensions – Face-to-face.

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The current IEC standard for predicting aerodynamic noise in control valves regulating the flow of gases and vapors is being revised by Working Group 9 of the IEC Subcommittee 65B.

Improvement of IEC standard for noise prediction in control valves

The tests described in reference 1 established that the present standard can lead to considerable inaccuracies concerning the predicted sound pressure level.

A similar conclusion was drawn at previous meetings of the above mentioned working group and at a seminar held by Valve World magazine.

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