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Piping Specifications are technical documents that are generated by private companies to address additional requirements applicable to a specific product or application. They are ... 1.02- Ammonia Piping Ammonia piping should conform to ASME Standard B31.5, Refrigerant Piping and IIAR Standard 2. • Supports loads equal to the full limitation of the hanger rod. PROCESS DESIGN OF PIPING SYSTEMS (PROCESS PIPING AND PIPELINE SIZING) (PROJECT STANDARDS AND SPECIFICATIONS) Page 4 of 55 Rev: 01 April 2011 SCOPE This Project Standards and Specifications covers process piping design and pipeline sizing, in addition to presenting most popular pressure drop equations and fluid velocity. Abbreviation Description 1 ANSI American National Standards Institute Inc 2 API American Petrolium Institute 3 ASA […] Sr. The initial cost is impacted by the diameter and layout of the piping. Hope it will be useful to new entrants as well as professionals alike. SPECIFICATIONS ) Page 8 of 40 Rev: 01 Feb 2011 Hydrostatic Testing 1. 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 re-released in 2014. Hydrostatic pressure testing of the Unit shall be performed to prove strength of the materials and weld integrity after completion of the construction. 6. Bulletin 114 has for over 20 years focused on correct labeling of pipe and equipment in an industrial ammonia refrigeration system. TABLE OF CONTENTS Page Background 2 System Configuration 4 System Stability 4 Evaporator Selection and Operation 6 DT1 vs DTM Ratings 6 Sensible Heat Ratio, Room rh%, and Evaporator Ratings 7 Download PDF. The tests shall be made on new or repaired equipment and piping. In the steam drum the feed water is then turned into steam from the heat. This book is a guide to modern ammonia refrigeration piping, a comprehensive introduction to ammonia piping as it is practiced in the field. "Existing anhydrous ammonia storage facility" means any permanent anhydrous ammonia storage facility constructed before July 1, 1985. Fig. Standard specification for piping fittings of wrought carbon steel and alloy steel for low-temperature service. There is a publication: Bulletin 114 - Guidelines for: Identification of Ammonia Refrigeration Piping and System Components (Date: 1991) Member Price: $10.00 Non-member Price: $20.00 Every engineering field has its list of abbreviations to help convey information quickly and easily. They are en- Pipe sizes up to and including 2” shall be schedule 40, and 2 -1/4” and above piping shall be schedule 10. Ammonia is a natural refrigerant that has been used for many years in a variety of applications due to its high thermal efficiency. 5.2.6.2. piping run regardless if it is 50' or 250'. Compressor Discharge Line The condenser can be piped into a system with either one or multiple compressors. To improve the safety of ammonia refrigeration piping and system components, the International Institute of Ammonia Refrigeration (IIAR) has a guideline for labeling them: Bulletin No. Aqua Ammonia (Ammonium Hydroxide) is a water solution of ammonia, and assay is determined by weight of ammonia in water. The advantage of the graphic representation of this information is to show just how close to full capacity a particular selection is. 5.2.6. 95: Steel Clevis . Stainless steels are defined as iron-base alloys con-taining 10 percent or more chromium. Standard Practice for Ammonia Colorimetric Leak Testing: E1603 / E1603M - 11(2017) Standard Practice for Leakage Measurement Using the Mass Spectrometer Leak Detector or Residual Gas Analyzer in the Hood Mode: E2024 / E2024M - 11(2019) Standard Practice for Atmospheric Leaks Using a Thermal Conductivity Leak Detector: E2930 - 13 Liquid lines 1.5 inches and smaller shall be not less than Schedule 80 carbon steel pipe. MATERIAL: Carbon steel SERVICE: For use on high temperature piping installation. Standard specification for welded large-diameter austenitic steel pipe for corrosive or high-temperature service. Gracon has expertise with multiple facets of high-pressure hydraulics, from tubing with swage lock fittings, to stainless pipe with socket weld fittings. A403/A403M-03a. Installation Details. The Provided specifications and plans are for use by the Prime contractor and his subcontractors. What are Piping Specifications? The guidelines presented contain important information for piping specialists and design engineers that will save money, time and effort in the several diverse industries utilizing piping systems. You can find a good specification on "Ammonia Refrigeration Piping Handbook" from IIAR Chapter 2 page 2-1 and 2-2 . A. Ammonia Pipe and Fittings 1. Approved by the American National Standards Institute May 16, 2012 Supersedes ANSI/IIAR 3-2005 Ammonia Refrigeration Valves American National Standard for ANSI/IIAR 3-2012 96586_ANSI_IIAR3.indd 1 6/26/12 3:12 PM Piping is an important aspect to hydraulic systems, comes in many forms, and requires specialized expertise. 4. These pressure-sensitive vinyl pipe markers exceed ANSI/ASME … The Piping Specification (abbreviated: Pipe Spec ) is a document prepared during the design phase of any project. The purpose and requirements stem from ANSI/ASME A13.1 to provide … Because The IIAR (International Institute of Ammonia Refrigeration), in conjunction with ANSI, issues guidelines for identification of ammonia lines. A420/A420M-02. The feed water is put into the steam drum from a feed pump. These cryogenic pipe supports, also known as “cold shoes” are designed with 2” thick polyurethane and foam glass for insulation and fabricated from galvanized steel for the shoe, with alloy bolts and nuts.They are 2” diameter 14″ L X 4″ W X 6″ H. Here is such list of abbreviations related to piping engineering. Inspection and Maintenance of Ammonia Mechanical Refrigerating Systems • ANSI/IIAR Standard 2 Equipment, Design, and Installation of Ammonia Mechanical Refrigerating Systems • ANSI/ASME B31.3 Process Piping • ANSI/ASME B31.5 Refrigeration Piping and Heat Transfer Components • ANSI/NBIC-23 NBBI 2001 National Board Inspection Code Since ammonia is environmentally benign, having zero (GWP) and zero (ODP) characteristics, ammonia is emerging as one of the primary natural refrigerants of choice. Anhydrous ammonia and ammonium hydroxide are two types of ammonia commonly used in industry. ORDERING: Specify figure number, body size, description, rod tapping, size of pin hole, size of pin, size of grip and finish. For companies that intend to implement a more stringent level of acceptance criteria, as recommended by IIAR and applied by corporations that maintain best practices, the following table, In-Service Pipe Wall Thickness Thresholds for Ammonia Refrigeration Piping Systems, includes the same metrics as the ANSI/IIAR 6 Standard Table A.11.1.1.3.1 with … This is true for both the condensing unit capacities on the individual specification sheets or the separate suction line sizing It provides the appropriate selection, specification and material grade of pipe and piping components for a given service. Ammonia Piping Installation Manual. Outfit your facility with standard pipe markers to convey important information about Toxic Corrosive pipe contents and potential hazards. The inadvertent or accidental opening of manual hand valves has been a contributing cause in many ammonia releases and although the U.S. Occupational Safety and Health Administration (OSHA) enacted the control of hazardous energy (lockout/tagout) regulation in 1989 … The operator's manual for anhydrous ammonia equipment should include instructions on proper procedures to follow when handling. 114. "DOT specifications" means regulations of the United States department of transportation published in 49 CFR chapter 1. After the steam is used it is then dumped to the main condenser. Chapters 1, 2, 6, and 7 are significantly revised to reflect modern practices, current codes and standards, and to correct errata: The reasons for this will be explained in the sample pipe described later on. Good refrigeration piping design requires that the refrigeration lines be pitched in the direction of flow at approximately 1/2 inch per 10 feet or 1 inch per 20 feet. The Conservative Approach. Improve facility safety with Ammonia Pipe Markers. Boiler feedwater is an essential part of boiler operations. Guideline for Developing an Energy Control Plan for Manual Hand Valves in Ammonia Refrigeration Systems, 1st Edition. The initial All refrigerated piping shall conform to the Refrigeration Piping Code, American National Standards Institute, B31.5-1966 with addenda B31.1a-1968, which is incorporated by reference as specified in § 1910.6, as it applies to ammonia. Ammonia piping shall be 304L stainless steel for corrosion protection. Standard specification for wrought austenitic stainless steel piping fittings. Piping Design Basics Good piping design results in a balance between the initial cost, pressure drop, and system reliability. Each batch is tested for strength, color, and clarity. Refrigerant velocities in vertical lines should be at least 1500 ft/min to ensure good oil return; The pressure drop in the piping must be minimized to avoid adversely affecting performance and capacity. Most of this attention needs to be focused on the liquid drain line from the outlet of the evaporative condenser to the high pressure receiver. A409/A409M-01. Carbon steel transitions or fittings may be used where required to connect to valves, vessels or similar components. FEATURES: • Complies fully with the code for pressure piping. This manual will focus on the “anhydrous” type, which means, “without water.” (Ammonium hydroxide is formed when ammonia gas is dissolved in water.) Inject ammonia to a pH of 9.5. piping. 1 Guidelines for Identification of Ammonia Refrigeration Piping and System Components INTRODUCTION Uniform guidelines for identifying ammonia refrigeration piping. Piping & Valves: 5.2.6.1. 3) When solution is homogeneous, Inject 1% sodium nitrite. DX AMMONIA PIPING HANDBOOK Bruce I. Nelson, P.E. piping systems. 5. RELATED CONSTRUCTION SPECIFICATIONS - Piping and Equipment Cleaning Specification. Trace element analysis are performed every 6 months by an independent lab, and are available for review. Piping Specs provides specific/additional requirements for the materials, components, or services that are beyond the code and standard requirements. PT&P manufactured multiple pre-insulated pipe supports for cryogenic temperatures in an ammonia plant in Louisiana. To piping engineering - piping and equipment in an industrial ammonia refrigeration Handbook... System components INTRODUCTION Uniform Guidelines for identifying ammonia refrigeration system Good specification on `` refrigeration... A13.1 to provide … ammonia piping as it is practiced in the piping must be to... Or 250 ' ) is a water solution of ammonia refrigeration piping, a comprehensive to... Of this information is to show just how close to full capacity a particular selection is steam used! Can find a Good specification on `` ammonia refrigeration piping Handbook '' from IIAR chapter page! Published in 49 CFR chapter 1 solution is homogeneous, Inject 1 sodium... Drop, and assay is determined by weight of ammonia refrigeration piping, a INTRODUCTION... Austenitic steel pipe in industry and smaller shall be 304L stainless steel piping of... Put into the steam drum from a feed pump page 2-1 and 2-2 run regardless it. After the steam drum from a feed pump a document prepared during the design phase of project... `` ammonia refrigeration piping the tests shall be not less than schedule 80 steel..., Inject 1 % sodium nitrite documents that are generated by private to... Piping fittings the materials and weld integrity after completion of the hanger rod strength of the hanger.! Are en- Improve facility safety with ammonia pipe Markers before July 1 1985. 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