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IEC 60534-2-1:1998 ED1

Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions IEC 60534-2-1:1998 ED1

Publication date:   Sep 1, 1998

General information

99.60 Withdrawal effective   Mar 30, 2011

IEC

TC 65/SC 65B

International Standard

23.060.40   Pressure regulators | 25.040.40   Industrial process measurement and control

Buying

Revised

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Scope

Includes equations for predicting the fow of compressible and incompressible fluids through control valves. Not intended for use when non-Newtonian fluids, fluid mixtures, slurries, or liquid-solid conveyance systems are encoutnererd. Equations for compressible fluids are for use with gas or vapour and are not inteded for use with multiphase streams such as gas-liquid, vapour-liquid or gas-solid mixtures. Valid for valves with xT smaller or equal to 0,84.

The contents of the corrigendum of February 2000 have been included in this copy.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60534-2:1978 ED1

WITHDRAWN
IEC 60534-2-2:1980 ED1

NOW

WITHDRAWN
IEC 60534-2-1:1998 ED1
99.60 Withdrawal effective
Mar 30, 2011

CORRIGENDA / AMENDMENTS

WITHDRAWN
IEC 60534-2-1:1998/COR1:2000 ED1

REVISED BY

PUBLISHED
IEC 60534-2-1:2011 ED2