Every engineering field has its list of abbreviations to help convey information quickly and easily. Installation Details. 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. The initial SPECIFICATIONS ) Page 8 of 40 Rev: 01 Feb 2011 Hydrostatic Testing 1. Stainless steels are defined as iron-base alloys con-taining 10 percent or more chromium. The feed water is put into the steam drum from a feed pump. 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 95: Steel Clevis . 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 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. Hope it will be useful to new entrants as well as professionals alike. Inject ammonia to a pH of 9.5. Standard specification for wrought austenitic stainless steel piping fittings. piping run regardless if it is 50' or 250'. Carbon steel transitions or fittings may be used where required to connect to valves, vessels or similar components. Ammonia is a natural refrigerant that has been used for many years in a variety of applications due to its high thermal efficiency. The initial cost is impacted by the diameter and layout of the piping. Standard specification for welded large-diameter austenitic steel pipe for corrosive or high-temperature service. Hydrostatic pressure testing of the Unit shall be performed to prove strength of the materials and weld integrity after completion of the construction. The reasons for this will be explained in the sample pipe described later on. Ammonia Piping Installation Manual. This is true for both the condensing unit capacities on the individual specification sheets or the separate suction line sizing In the steam drum the feed water is then turned into steam from the heat. Guideline for Developing an Energy Control Plan for Manual Hand Valves in Ammonia Refrigeration Systems, 1st Edition. Fig. Sr. Outfit your facility with standard pipe markers to convey important information about Toxic Corrosive pipe contents and potential hazards. Piping Specs provides specific/additional requirements for the materials, components, or services that are beyond the code and standard requirements. 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. Since ammonia is environmentally benign, having zero (GWP) and zero (ODP) characteristics, ammonia is emerging as one of the primary natural refrigerants of choice. A420/A420M-02. Abbreviation Description 1 ANSI American National Standards Institute Inc 2 API American Petrolium Institute 3 ASA […] The Conservative Approach. They are ... 1.02- Ammonia Piping Ammonia piping should conform to ASME Standard B31.5, Refrigerant Piping and IIAR Standard 2. A409/A409M-01. Aqua Ammonia (Ammonium Hydroxide) is a water solution of ammonia, and assay is determined by weight of ammonia in water. PT&P manufactured multiple pre-insulated pipe supports for cryogenic temperatures in an ammonia plant in Louisiana. You can find a good specification on "Ammonia Refrigeration Piping Handbook" from IIAR Chapter 2 page 2-1 and 2-2 . "Existing anhydrous ammonia storage facility" means any permanent anhydrous ammonia storage facility constructed before July 1, 1985. The Provided specifications and plans are for use by the Prime contractor and his subcontractors. Improve facility safety with Ammonia Pipe Markers. 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. This book is a guide to modern ammonia refrigeration piping, a comprehensive introduction to ammonia piping as it is practiced in the field. 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. 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 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 … Refrigerant velocities in vertical lines should be at least 1500 ft/min to ensure good oil return; MATERIAL: Carbon steel SERVICE: For use on high temperature piping installation. RELATED CONSTRUCTION SPECIFICATIONS - Piping and Equipment Cleaning Specification. 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. 6. piping. 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. Because 3) When solution is homogeneous, Inject 1% sodium nitrite. A. Ammonia Pipe and Fittings 1. Standard specification for piping fittings of wrought carbon steel and alloy steel for low-temperature service. Here is such list of abbreviations related to piping engineering. They are en- 4. piping systems. 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. "DOT specifications" means regulations of the United States department of transportation published in 49 CFR chapter 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. 5.2.6.2. Piping is an important aspect to hydraulic systems, comes in many forms, and requires specialized expertise. The pressure drop in the piping must be minimized to avoid adversely affecting performance and capacity. Liquid lines 1.5 inches and smaller shall be not less than Schedule 80 carbon steel pipe. DX AMMONIA PIPING HANDBOOK Bruce I. Nelson, P.E. Bulletin 114 has for over 20 years focused on correct labeling of pipe and equipment in an industrial ammonia refrigeration system. It provides the appropriate selection, specification and material grade of pipe and piping components for a given service. A403/A403M-03a. • Supports loads equal to the full limitation of the hanger rod. Pipe sizes up to and including 2” shall be schedule 40, and 2 -1/4” and above piping shall be schedule 10. Gracon has expertise with multiple facets of high-pressure hydraulics, from tubing with swage lock fittings, to stainless pipe with socket weld fittings. 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 Piping Design Basics Good piping design results in a balance between the initial cost, pressure drop, and system reliability. The tests shall be made on new or repaired equipment and piping. The Piping Specification (abbreviated: Pipe Spec ) is a document prepared during the design phase of any project. Piping & Valves: 5.2.6.1. 114. ORDERING: Specify figure number, body size, description, rod tapping, size of pin hole, size of pin, size of grip and finish. 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