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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Improvement of IEC standard for noise prediction in control valves
We have no amendments or corrections for this standard. It also defines the equipment, methods and procedures for the laboratory measurement of the airborne sound needed to determine these characteristics. Log in uec view this article. The second is a procedure for measuring the sound pressure levels within pipe systems upstream eic downstream of the valve under fixed operating conditions.
Proceed to Checkout Continue Shopping. Exxon begins preparing Texas refinery for shale oil expansion Advanced process control metrics: A similar conclusion was drawn at previous meetings of the above mentioned working group and at a seminar held by Valve World magazine.
All material subject to strictly enforced copyright laws. The tests described in reference 1 established that the present standard can lead to considerable inaccuracies concerning the predicted sound pressure level.
This standard is also available to be included ie Standards Subscriptions. Not Yet A Subscriber? Global petrochemical overview—Part 1. Two methods are provided for testing the noise generating characteristics of control valves. Add to Alert PDF. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
This second edition cancels and replaces the first edition published in and constitutes a technical revision that includes internal noise measurement.
You can download and open this file to your own computer but DRM prevents opening this uec on another computer, including a networked server. The first is a uniform method of measuring the radiated noise from the valve and the associated test piping including fixed flow restrictions through which the test fluid water is passing.
Improvement of IEC 60534-8-3 standard for noise prediction in control valves
Clean fuels—a global shift to a low-sulfur world Top seven causes for lost olefin production. 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.
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