ISA 75.11-1985 (R1997)
- Inherent Flow Characteristic & Rangeability of Control Valves
- standard by The International Society of Automation, 04/01/1985
- Category: ISA
$180.00
$90.00
Formerly S75.11. Defines typical control valve inherent flow characteristics and inherent rangeabilities and establishes criteria for adherence to manufacturer-specified flow characteristics. This standard uses the basic definitions from ISA-S75.05 and also defines specific terms related to flow characteristic and rangeability. A table listing inherent flow characteristic deviations and sample plots of relative flow coefficient versus relative travel are also given.
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