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