International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference EN 60534-2-4:2009
Title Industrial-process control valves - Part 2-4: Flow capacity - Inherent flow characteristics and rangeability
Project Number 21467
Abstract/Scope IEC 60534-2-4:2009 applies to all types of industrial-process control valves. It defines how to state typical control valve inherent flow characteristics and inherent rangeabilities. It also defines how to establish criteria for adherence to manufacturer-stated flow characteristics. This edition constitutes a technical revision. The main changes with respect to the previous edition are: - update the normative references; - delete the terminology included in IEC 60534-1; - transform the previous Note 1 in Clause 6; - redraw the graphics; - delete the previous Figure 3.


Current Stage code 6060
Current Stage code date 2009-06-19
Current Stage code deadline 2010-03-01
Deadline date for vote  


Order Voucher  


IEC Technical Body IEC/SC 65B
Reference Document IEC 60534-2-4:2009 (EQV)
ICS 23.060.40 - Pressure regulators
25.040.40 - Industrial process measurement and control
Keywords Industrial; Valve; Flow capacity
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2009-06-19 2010-03-01 export to doc file  EN  FR  DE
5099 2009-06-01 2009-08-01  
5060 2009-04-08 2009-04-21 export to doc file  EN
5020 2009-01-30 2009-04-03  
3090 2008-11-14 2009-02-28  
5060 2008-01-22 2008-02-04 export to doc file  EN
5020 2007-08-17 2008-01-18  
1090 2007-08-14 2007-08-17  

Implementation Dates

date of Ratification (DOR) (1) 2009-06-01
date of Availability (DAV) (2) 2009-06-19
date of Announcement (DOA) (3) 2009-09-01
date of Publication (DOP) (4) 2010-03-01
date of Withdrawal (DOW) (5) 2012-06-01


Superseded by  
Normative reference (6) EN 60534-1:2005
EN 60534-2-3:1998

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.