View abstract product details detail summary view all. The handbook is a complete onestop source of information on carbon dioxide refrigeration. It is an ebook for people who are involved in training and. Manual for refrigeration servicing introduction technicians. Ansi iiar 22014, addendum a, american national standard for safe design of closedcircuit ammonia refrigeration systems printed edition the new and improved iiar 2 is the definitive design safety standard of the ammonia refrigeration industry iiar 2 has undergone extensive revision since the 2008 with addendum b edition was published on december 3, 2012. Currently, the education committee is working on certificate programs related to iiar 6, basic ammonia design, psm engineering calculations, the piping handbook, mechanical integrity and the co2. Welcome to the manual for refrigeration servicing technicians.
If any conflicts arise between the services safety. Ammonia plant piping specification colonelsanders83 mechanical 21 feb 11 11. This simple design prevents rain and snow from entering the discharge pipe by the installation of a tee at the termination point which forces all ammonia to escape. Steel piping, fittings, and valves of the proper pressure rating are suitable for ammonia gas and liquid. Annual ammonia inspection mechanical integrity inspections every facility with extremely hazardous chemicals, specifically ammonia, needs to perform a yearly mechanical integrity inspection. Februarymarch 2020 condenser by editor, iiar issuu. Iiar ammonia refrigeration piping handbook by storarhofe issuu. Our members include industrial refrigeration end users, many of whom are large multinational food. Thats why the international institute of ammonia refrigeration iiar has published the ammonia refrigeration piping handbook, combining earlier published data. Page a6 includes a helpful list of diagram format recommendations. Iiar joined likeminded partners in meeting with omb to stress the importance of finalizing the regulation and rescinding problematic provisions. May 24, 2019 iiar ammonia refrigeration piping handbook archive forums. However, formatting rules can vary widely between applications and fields of interest or study. Regulatory oversight on cfc, hcfc, and other synthetic refrigerants, have refocused attention on ammonia to.
How to meet iiar standards for ammonia pipe marking graphic. Paint coatings for ammonia refrigeration piping and vessels may 8, 2014. Ufgs23 23 00 april 2006 unified facilities guide specifications references are in agreement with umrl dated january 2020 section 23 23 00 refrigerant piping 1007 note. Ufc 482610 10 july 2002 iiar ammonia refrigeration piping handbook. This book is a guide to modern ammonia refrigeration piping, a comprehensive introduction to ammonia piping as it is practiced in the field. Main page of the international institute of ammonia refrigeration iiar. Iiar ammonia refrigeration piping ammonia refrigeration. It is the most complete reference ever published on ammonia for the refrigeration industry and contains essential resource data for the safe and efficient operation of any ammonia refrigeration facility. Guidelines for identification of ammonia refrigeration piping and system components introduction uniform guidelines for identifying ammonia refrigeration piping and system components will promote safety, facilitate maintenance and provide vital information to emergency service personnel. Selection and system piping details relief valves, purgers, isolation valves, vessel designs, etc should follow industry guidelines as found in the iiar ammonia piping handbook iiar 2004.
Application handbook industrial refrigeration ammonia and co2. Dx ammonia piping handbook 4th edition colmac coil. Standards iiar org international institute of ammonia. Features resource data essential for the safe and efficient operation of any ammonia. Iiar ammonia refrigeration piping handbook archive forums. This guide specification covers the requirements for refrigerant piping systems inside of buildings, or leading from equipment adjacent to buildings. This information is presented to illustrate the general system features. An update of the international institute of ammonia refrigeration s ammonia refrigeration piping handbook is now available. Unlike pumped ammonia systems, no wet suction lines are needed for dx ammonia. This requirement is spelled out in iiar bulletin 109 section 5. Chapters 1, 2, 6, and 7 are significantly revised to. Provide adequate refrigerant flow to the evaporators, using practical refrigerant line sizes that limit pressure drop. The diagrams are not intended to present an exhaustive range of configurations every industrial refrigeration system. Ashrae 15 safety standard for refrigeration systems, american society of heating, refrigerating, and air conditioning engineers ashrae, atlanta, ga 2001.
Thats why the international institute of ammonia refrigeration iiar has published the ammonia refrigeration piping handbook, combining earlier published data with substantial input from contractor experts. Application handbook industrial refrigeration ammonia and co 2 applications 86 dkrci. It draws from the best ideas contained in process safety management and risk management, simplifies the application of these concepts and streamlines the documentation process. Search for library items search for lists search for contacts search for a library. Nov 08, 2000 in refrigeration systems, piping drives many problems. In addition, it also contains an appendix that presents reprints of technical papers on the subject of carbon dioxide refrigerants from previous iiar industrial refrigeration conferences.
Main page of the international institute of ammonia refrigeration iiar english us. How to meet iiar standards for ammonia pipe marking. Optimizing defrost systems, part 3 process cooling. Complete document ammonia refrigeration piping handbook. Provides is a tutorial and reference book that represents the collective efforts of the most knowledgeable specialists in the ammonia refrigeration industry. If you find this site has been helpful, a small donation would be most appreciated. International institute of ammonia refrigeration iiar refers to ammonia systems exclusively. The primary article is titled the color conundrum iiar defines piping convention and announce to some changes that will be happening to bulletin 114 that will be rereleased in 2014.
To improve the safety of ammonia refrigeration piping and system components, the international institute of ammonia refrigeration iiar has a guideline for labeling them. Handbook of mechanical refrigeration survivor library. Annual ammonia inspection mechanical integrity inspections. Iiar ammonia refrigeration piping handbook by storarhofe. Although they should be pitched and trapped to accommodate the occasional presence of liquid, suction line pressure drop should be calculated to reflect dry operation. The ragagep for labeling ammonia piping is iiar b114, as depicted below. Refrigerant piping handbook refrigerant piping handbook. Iiar members share their collective knowledge and experience on committees and task forces to produce consensus documents that address various aspects of the natural and industrial refrigeration industry. Iiar is an organization that serves those who use industrial refrigeration technology through education and advocacy. Ammonia piping should conform to asme standard b31. The institute promotes the safe use of ammonia and other natural refrigerants through education, information, and standards. Ammonia markers have been developed to help contractors comply with ansi asme a.
The guide, which provides a comprehensive introduction to ammonia piping, updates the 2014 edition with a new version of chapter 7, insulation for refrigeration systems, replacing the original 2000 version. Hazards of ammonia releases at ammonia refrigeration. Selection of che, compressor, piping, valves, and other components actual costs and benefits must be calculated after the application engineering is. Ammonia plant piping specification pipelines, piping and. Guidelines for preparation of ammonia refrigeration diagrams to the ammonia refrigeration piping handbook in 2012. Because copper and copperbearing materials are attacked by ammonia, they are not used in ammonia piping systems. Ammonia refrigeration piping handbook international institute of ammonia refrigeration home.
Ashrae standards encompass halocarbon and ammonia refrigeration systems. Sep 21, 2019 iiar ammonia refrigeration piping handbook pdf iiar ammonia refrigeration piping handbook. At present, the iiar makes available an explicit set of equations, based on c v, and provided in the ammonia refrigeration piping handbook 2004. Figures 1 and 2 indicate the piping, valves and controls for an sds. Currently, the education committee is working on certificate programs related to iiar 6, basic ammonia design, psm engineering calculations, the piping handbook, mechanical integrity and. In refrigeration systems, piping drives many problems. Dx ammonia piping handbook 4th edition background ammonia refrigeration systems have traditionally employed evaporators supplied with liquid by either gravity flooding with surge drums, or pumped overfeed either with mechanical pumps or discharge gasdriven vessels. Refrigerant velocities in vertical lines should be at least 1500 ftmin to ensure good oil return.
International institute of ammonia refrigeration iiar refers to ammonia systems. A common goal is to size the suction, hot gas and liquid lines for about 1f. Iiar international institute of ammonia refrigeration. Refrigeration piping handbook a guide to modern refrigeration piping this book is a comprehensive introduction to refrigeration piping as it is practiced in the field. Provides is a tutorial and reference book that represents the collective efforts of the most knowledgeable. Ammonia refrigeration piping handbook education and training resources garden city community college. Iiar ammonia refrigeration piping handbook if this is your first visit, be sure to check out the faq by clicking the link above. Paint coatings for ammonia refrigeration piping and vessels. Ashraes refrigeration handbook and daikin applieds experience with this type of equipment. System design for industrial ammoniaco cascade installations. The diagrams are not intended to present an exhaustive range of configurations u every industrial refrigeration system will have unique features and requirements.
An update of the international institute of ammonia refrigerations ammonia refrigeration piping handbook is now available the guide, which provides a comprehensive introduction to ammonia piping, updates the 2014 edition with a new version of chapter 7, insulation for refrigeration systems, replacing the original 2000 version. Attempts at providing a standard means for industrial ammonia system engineers to calculate vapor valve pressure drops have been undertaken in the past, notably by the iiar. Thats why the international institute of ammonia refrigeration iiar has published the ammonia refrigeration piping handbook, combining. Nov 29, 2018 iiar ammonia refrigeration piping handbook.
Bulletin 114 has for over 20 years focused on correct labeling of pipe and equipment in an industrial ammonia refrigeration system. Ammonia refrigeration iiar ammonia refrigeration piping. Globally, there is a growing interest in ammonia as a refrigerant, both by itself, and in cascade refrigeration systems with carbon dioxide and other secondary system designs. Iiar is the worlds leading advocate for the safe, reliable and efficient use of ammonia and other natural refrigerants. Chapters 1, 2, 6, and 7 are significantly revised to reflect modern practices, current codes and standards, and to correct errata. Ammonia refrigeration piping handbook, international institute of ammonia refrigeration iiar, arlington, va, 2004. Ammonia refrigeration piping handbook this book is a guide to modern ammonia refrigeration piping, a comprehensive introduction to ammonia piping as it is practiced in the field. A guide to modern refrigeration piping this book is a comprehensive introduction to. Iiar 62019, american national standard for inspection, testing, and maintenance of closedcircuit ammonia refrigeration systems. Good refrigeration piping design requires that the refrigeration lines be pitched in the direction of flow at approximately 12 inch per 10 feet or 1 inch per 20 feet. Features resource data essential for the safe and efficient operation of any ammonia refrigeration facility. Sign in international institute of ammonia refrigeration. The ammonia data book is a one stop reference book for the ammonia refrigeration industry and the only publication of its kind. Refrigeration handbook and several current and former research projects to promote the economic and environmental benefits of ammonia refrigeration and will continue to provide guidance for the proper.