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ISA 77.44.01 : 2007

Current
Current

The latest, up-to-date edition.

FOSSIL FUEL POWER PLANT - STEAM TEMPERATURE CONTROLS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2007

1 Purpose
2 Scope
3 Definitions
4 Process measurement requirements
5 Attemperation methods - Control and logic requirements
  for an attemperator control system for control of steam
  temperatures
6 Control and logic requirements for a reheat steam temperature
  control by means of heat distribution
7 Superheat control and logic requirements for once-through
  type boilers
8 Common design requirements
Annex A - References
Annex B - Steam temperature control
Annex C - Figures

Defines the major steam temperature control subsystems in boilers with steaming capacities of 200,000 lb/hr (25 kg/s) or greater.

Committee
SP77
DevelopmentNote
Supersedes ISA 77.44 (05/2001)
DocumentType
Standard
Pages
52
PublisherName
International Society of Automation
Status
Current
Supersedes

NFPA 87 : 2018 FLUID HEATERS
NFPA 85 : 2015 BOILER AND COMBUSTION SYSTEMS HAZARDS CODE

ISA 5.4 : 1991 INSTRUMENT LOOP DIAGRAMS
IEC TR 62140-3:2002 Fossil-fired steam power stations - Part 3: Steam-temperature control
IEEE/ASTM SI_10-2010 American National Standard for Metric Practice
ISA 51.1 : 1979 PROCESS INSTRUMENTATION TERMINOLOGY
ISA 5.1 : 1984 INSTRUMENTATION SYMBOLS AND IDENTIFICATION

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