ISA S75.11 : 85(R1997)
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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INHERENT FLOW CHARACTERISTIC AND RANGEABILITY OF CONTROL VALVES
03-12-2013
12-01-2013
1 Scope
2 Basic definitions
2.1 Terminology
2.2 Flow coefficient
2.3 Inherent flow characteristic
2.4 Inherent rangeability
2.5 Relative flow coefficient (phi)
2.6 Relative travel (h)
3 Typical inherent flow characteristics
4 Permissible deviations between actual and
manufacturer-stated inherent flow characteristics
Specifies the statement of typical control valve inherent flow characteristics and rangeablilities, and identifies criteria for adherence to manufacturer-defined flow characteristics.
| DocumentType |
Standard
|
| PublisherName |
International Society of Automation
|
| Status |
Withdrawn
|
| SupersededBy |
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