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ISA 77.42.01

Fossil Fuel Power Plant Feedwater Control System

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Organization: ISA
Publication Date: 12 March 2019
Status: active
Page Count: 38
scope:

The standard is intended to assist in the development of design specifications covering the measurement and control of feedwater systems in boilers with steaming capacities of 200,000 lb/h (25 kg/s) or greater. The safe physical containment of the feedwater shall be in accordance with applicable piping codes and standards and is beyond the scope of this standard.

Document History

ISA 77.42.01
March 12, 2019
Fossil Fuel Power Plant Feedwater Control System
The standard is intended to assist in the development of design specifications covering the measurement and control of feedwater systems in boilers with steaming capacities of 200,000 lb/h (25 kg/s)...
ISA 77.42.01
January 1, 1999
Fossil Fuel Power Plant Feedwater Control System — Drum Type
The standard is intended to assist in the development of design specifications covering the measurement and control of feedwater systems in boilers with steaming capacities of 200,000 lb/h (25 kg/s)...
ISA 77.42.01
January 1, 1999
Fossil Fuel Power Plant Feedwater Control System - Drum Type
The standard is intended to assist in the development of design specifications covering the measurement and control of feedwater systems in boilers with steaming capacities of 200,000 lb/h (25 kg/s)...
ISA 77.42.01
January 1, 1999
Fossil Fuel Power Plant Feedwater Control System - Drum Type
The standard is intended to assist in the development of design specifications covering the measurement and control of feedwater systems in boilers with steaming capacities of 200,000 lb/h (25 kg/s)...

References

This document references:
API RP 556 - Instrumentation, Control, and Protective Systems for Gas Fired Heaters
Published by API on April 1, 2011
Purpose This recommended practice (RP) provides guidelines that specifically apply to instrument, control and protective system installations for gas fired heaters in petroleum production,...
This document references:
ASTM SI10 - American National Standard for Use of the International System of Units (SI): The Modern Metric System
Published by ASTM on September 22, 2016
This document is the primary American National Standard on application of the metric system. It emphasizes use of the International System of Units (SI), which is the modern, internationally accepted...
This document references:
IEEE SI 10 - American National Standard for Metric Practice
Published by IEEE on September 22, 2016
This document is the primary American National Standard on application of the metric system. It emphasizes use of the International System of Units (SI), which is the modern, internationally accepted...
This document references:
5.1 - Instrumentation Symbols and Identification
Published by ISA on January 1, 2022
General This standard is intended to meet the different procedures of various users who need to identify and graphically depict measurement and control equipment and systems. These differences are...
This document references:
ISA 5.4 - Instrument Loop Diagrams
Published by ISA on January 1, 1991
Additional information for individual loop. This standard establishes minimum required information and identifies additional optional information for a loop diagram for an individual instrumentation...
This document references:
ISA 51.1 - Process Instrumentation Terminology
Published by ISA on January 1, 1979
This Process Instrumentation Terminology Standard is intended to include many specialized terms used in the industrial process industries, to describe the use, performance, operating influences,...
This document references:
ISA TR5.1.01/TR77.40.01 - Functional Diagram Usage
Published by ISA on August 10, 2012
The scope of this technical report is to expand on and illustrate usage of function block symbols and functions and to prepare examples in development of complex function block symbols and functions.
This document references:
ISA TR77.42.02 - Fossil Fuel Power Plant Compensated Differential Pressure Based Drum Level Measurement
Published by ISA on June 5, 2014
This technical report is intended to provide guidance in the application of differential pressure measurement techniques for measuring water level in boiler steam drums. The report also provides...
This document references:
ASME MFC-2M - Measurement Uncertainty for Fluid Flow in Closed Conduits
Published by ASME on January 1, 1983
General This Standard presents a working outline detailing and illustrating the techniques for estimating measurement uncertainty for fluid flow in closed conduits. The statistical techniques and...
This document is referenced by:
85 - Boiler and Combustion Systems Hazards Code
Published by NFPA on January 1, 2023
This code applies to the following: (1) Single burner boilers, multiple burner boilers, stokers, and atmospheric fluidized bed boilers with a fuel input rating of 3.7 MWt (12.5 million Btu/hr) or...
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