ISA 77.42.01 : 1999

1 Scope
2 Purpose
3 Definitions
4 Minimum design requirements for a feedwater control system
  4.1 Process measurement requirements
  4.2 Control and logic requirements
  4.3 Final control device requirements
  4.4 System reliability and availability
  4.5 Minimum alarm requirements
  4.6 Operator interface
Annex A - Reference
Annex B - Feedwater control

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.