: A highly regarded technical supplement, the , is available as a direct PDF download.
Comprehensive Guide to the IIAR Ammonia Refrigeration Piping Handbook iiar ammonia refrigeration piping handbook pdf link
| Service | Minimum Velocity (fps) | Maximum Velocity (fps) | Reason | | :--- | :--- | :--- | :--- | | Suction Lines | 10 (horizontal) | 4,000 (vertical) | Oil return in horizontal runs | | Discharge Lines | N/A | 5,000 | Noise & pressure drop | | Liquid Lines (non-pumped) | 1.5 | 3.0 | Preventing flash gas | | Pumped Liquid Lines | 3.0 | 7.0 | Maintaining NPSH | : A highly regarded technical supplement, the ,
Published by the International Institute of Ammonia Refrigeration (IIAR), the Ammonia Refrigeration Piping Handbook has been hailed as a definitive resource in the industry. When it was first introduced at RETA’s 91st annual conference, it was described as the refrigeration piping "bible." With nearly 400 pages, over 190 diagrams and drawings, more than 50 charts and tables, and over 30 formulas covering pressure drop, temperature drop, capacity, and more, its scope is unparalleled. : A highly regarded technical supplement