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Ammonia Refrigeration

References >> American National Standard for Equipment, Design and Installation of Ammonia Mechanical Refrigerating Systems


American National Standard for Equipment, Design & Installation of Ammonia Mechanical Refrigerating Systems. IIAR Ammonia Refrigeration Library, (1999). Applies to closed circuit mechanical refrigerating systems using ammonia as a refrigerant. Contains information to specify equipment and machinery room design and installation for ammonia mechanical refrigerating systems.

TABLE OF CONTENTS

Section 1.0Purpose

Section 2.0Scope

Section 3.0Definitions

Section 4.0General

  • 4.1, Ammonia Characteristics
  • 4.2, Physical Properties of Ammonia
  • 4.3, Refrigerant-Grade Ammonia Specifications
  • 4.4, System Types

Section 5.0 - Equipment

  • 5.1, Compressors
  • 5.2, Air-Cooled Condensers and Air-Cooled Desuperheaters
  • 5.3, Evaporative Condensers
  • 5.4, Shell-and-Tube Condensers and Double-Pipe Condensers
  • 5.5, Plate Heat Exchanger Condensers
  • 5.6, Forced Air Evaporator Coils
  • 5.7, Shell-and-Tube Evaporators (with refrigerant in shell)
  • 5.8, Shell-and-Tube Evaporators (with refrigerant in tubes)
  • 5.9, Plate Heat Exchanger Evaporators
  • 5.10, Pressure Vessels
  • 5.11, Refrigerant Pumps
  • 5.12, Refrigerant Valves
  • 5.13, Controls, Electric and Pneumatic
  • 5.14, Pressure-Relief Devices
  • 5.15, Pipe
  • 5.16, Visual Liquid Level Indicators
  • 5.17, Testing
  • 5.18, Materials

Section 6.0 - Machinery Room Design

  • 6.1, Room Ventilation
  • 6.2, Architectural

Section 7.0 - Installation

  • 7.1, Piping
  • 7.2, Insulation
  • 7.3, Pressure-Relief Piping
  • 7.4, Foundations and Equipment Supports
  • 7.5, Field Leak Testing
  • 7.6, Ammonia Handling and Storage

Section 8.0 - Titles and Sources of References

Appendix A - (Informative), Emergency Discharge of Ammonia Refrigerant

  • A.1, General
  • A.2, Emergency Discharge Methods
  • A.3, General Design Criteria
  • A.4, Discharge to Atmosphere
  • A.5, Discharge to Water Diffusion System
  • A.6, Discharge to High Temperature Oxidation Process

Appendix B - (Informative), Method for Calculating Discharge Capacity of Positive Displacement Compressor Pressure-Relief Device

Appendix C - (Informative), Insulation

  • C.1, Purpose
  • C.2, Material
  • C.3, Installation
  • C.4, Inspection

Appendix D - (Normative), Minimum Values of Design Pressure and Leak Test Pressures - NH3

Appendix E - (Informative), Purging



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