Design conditions for valve body assembly
properties characterizing the values to be taken into account when designing a control valve other than process cases, environmental conditions and process conditions
Hierarchy#
Ancestors (top) → ABD844 (highlighted) → subclasses and powertype instances. Capped at 12 each; see the full lists in the sections below.
Higher level classes3#
Declared properties25#
typical duration for which the control valve is not operated and not moving
factor by which the actuator of a final control element is oversized in the close position
factor by which the actuator of a final control element is oversized in the position between the open and the close
factor by which the actuator of a final control element is oversized in the open position
highest rate that a fluid can flow in the event of a device failure
highest rate of fluid flow in the event of a full cross-section at loss of trim
longest time duration that is permissible for the control valve together with its given set of components to travel from the open position to the close position
longest time duration that is permissible for the control valve together with its given set of components to travel from the close position to the open position
highest pressure drop of a system that is allowed at the highest flow rate stated
highest allowable logarithmical measure of the pressure of a sound wave relative to a reference level
highest permissible force needed to overcome static friction when a linear valve is to be moved
highest permissible torque needed to overcome static friction when a rotary valve is to be moved
highest pressure difference between inlet and outlet for which a control valve including additional components should be designed to work within the specified limits
greatest amount of fluid leaking through a final control element in the close position from inlet to outlet under operating conditions, expressed as normal volume flow rate
typical highest frequency of operation
greatest amount of fluid leaking at the stem under operating conditions, expressed as normal volume flow rate
Lowest allowable leakage class/rate for a particular control valve application
shortest time duration that is permissible for the control valve together with its given set of components to travel from the open position to the close position
shortest time duration that is permissible for the control valve together with its given set of components to travel from the close position to the open position
@number of test criteria for functional safety
standard on which the leakage class/rate is based
position a valve assumes in the event of failure of its actuator (power supply) and/or control
fluid to be used for stating the leakage class/rate
pressure to be used for stating the leakage class/rate
reference to block ABE038
Subclasses#
No subclasses
This class is a leaf — no other classes inherit from it.
Metadata#
- Version
- 2
- Revision
- 1
- Status
- Standard
- Responsible committee
- SC65E – IEC 61987
- Change request
C00009- Dates
- Original: 2013-09-02
- Current version: 2018-03-20
- Current revision: 2018-03-20
Full source data#
Every key from the original .xls export, including multilingual variants, status, publisher, committee, and workbook-specific codes.
Raw properties (20 keys from source .xls) — click to expand
- C002
- C00009
- C016
- Standard
- C017.de
- 0
- C018.de
- 2014-12-12
- C019.de
- Mr. W. Hartmann
- MDC_P001_5
- 0112/2///61987#ABD844
- MDC_P002_1
- 2
- MDC_P002_2
- 1
- MDC_P003_0
- 2018-03-28
- MDC_P003_1
- 2013-09-02
- MDC_P003_2
- 2018-03-20
- MDC_P003_3
- 2018-03-20
- MDC_P004.de
- Auslegungsbedingungen für das Ventil
- MDC_P004.en
- Design conditions for valve body assembly
- MDC_P006.de
- Merkmale, die die bei der Auslegung eine Stellventils zu berücksichtigenden Werte kennzeichnen, die keine Prozessfälle, Umweltbedingungen und Prozessbedingungen darstellen
- MDC_P006.en
- properties characterizing the values to be taken into account when designing a control valve other than process cases, environmental conditions and process conditions
- MDC_P010
- 0112/2///61987#ABV501
- MDC_P011
- ITEM_CLASS
- MDC_P012
- SC65E – IEC 61987
- MDC_P014
- {0112/2///61987#ABD628,0112/2///61987#ABD707,0112/2///61987#ABD575,0112/2///61987#ABD637,0112/2///61987#ABD583,0112/2///61987#ABD581,0112/2///61987#ABD582,0112/2///61987#ABD632,0112/2///61987#ABD648,0112/2///61987#ABD699,0112/2///61987#ABD736,0112/2///61987#ABD734,0112/2///61987#ABD643,0112/2///61987#ABD584,0112/2///61987#ABD592,0112/2///61987#ABD625,0112/2///61987#ABD653,0112/2///61987#ABD654,0112/2///61987#ABD622,0112/2///61987#ABD623,0112/2///61987#ABD627,0112/2///61987#ABD626,0112/2///61987#ABD624,0112/2///61987#ABD676,0112/2///61987#ABE294}
Version history3#
IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.