anhydrous ammonia storage tank requirements

Retail storage tanks and nurse tanks for anhydrous ammonia are built to withstand internal pressures of at least 250 pounds per square inch (psi). Containers shall be charged or used only upon authorization of the owner. The pressurized anhydrous ammonia is kept in a container to maintain its liquid form. Pumps used for transferring ammonia shall be those manufactured for that purpose. Where a fifth wheel is employed, it shall be ruggedly designed, securely fastened to both units, and equipped with a positive locking mechanism which will prevent separation of the two units except by manual release. All excess flow valves shall be plainly and permanently marked with the name or trademark of the manufacturer, the catalog number, and the rated capacity. Hose assemblies, when made up, shall be capable of withstanding a test pressure of 500 p.s.i.g. Means shall be provided to protect hoses while the vehicle is in motion. All full trailers shall be firmly and securely attached to the vehicle drawing them by means of suitable drawbars supplemented by a safety chain (or chains) or safety cables. Refrigeration plants where ammonia is used solely as a refrigerant. Each filling connection shall be provided with combination back-pressure check valve and excess-flow valve; one double or two single back-pressure check valves; or a positive shutoff valve in conjunction with either an internal back-pressure check valve or an internal excess flow valve. F. or provided the charging of the container is stopped at the first indication of frost or ice formation on its outside surface and is not resumed until such frost or ice has disappeared. Fittings shall comply with paragraph (b)(6) of this section. Safety-relief valves shall be so arranged that the possibility of tampering will be minimized. Some operators have only one single ammonia tank without spare capacity. The maximum allowable water level to which the container may be filled for test purposes. Anhydrous ammonia has several other applications, being used for a variety of purposes in laboratory testing. IDA regulations require an emergency sign with letters of a minimum height of two inches including the name and phone number of the owner, manager or agent of the anhydrous ammonia storage location. Where hose is to be used for transferring liquid from one container to another, "wet" hose is recommended. All trailers shall be securely attached to the vehicle drawing them by means of drawbars supplemented by suitable safety chains. Occupational Safety and Health Administration, Severe Storm and Flood Recovery Assistance. However, all of this exposure can be prevented by properly fitting workers with materials that prevent direct contact with anhydrous ammonia. Your email address will not be published. Farm vehicles shall conform with State regulations. The total refrigeration load shall be computed as the sum of the following: Load imposed by heat flow into the container caused by the temperature differential between design ambient temperature and storage temperature. With the density of the product in pounds per cubic foot for which the container was designed. Atmospheric storage shall be provided with vacuum breakers. "The rate of discharge may be interpolated for intermediate values of surface area. Excess flow and back pressure check valves where required by the standards in this section shall be located inside of the container or at a point outside as close as practicable to where the line enters the container. ammonia storage facilities and nurse tanks. Gage glasses of the columnar type shall be restricted to stationary storage installations. Hose used in ammonia service shall conform to the joint Agricultural Ammonia Institute - Rubber Manufacturers Association Specifications for Anhydrous Ammonia Hose. This distance shall be measured from the gauge side of the nearest rail to the nearest point on the tank shell. The Fire Marshal’s office was organized on April 3, 1909 by a legislative act known as the Fire Commission Law. (e) All cold formed heads of ferrous material used on NH(3) tanks shall be treated in accordance with paragraph UCS-56 of the ASME Code, regardless of the thickness of the metal when the tanks are to be used for transportation of anhydrous ammonia or for the storage of anhydrous ammonia. A suitable "hold down" device shall be provided which will anchor the container to the vehicle at one or more places on each side of the container. If vent lines are installed to conduct the vapors from the relief valve, the back pressure under full relieving conditions shall not exceed 50 percent of the start-to-discharge pressure for pressure balanced valves or 10 percent of the start-to-discharge pressure for conventional valves. This is necessary for any person required to “handle, transfer, transport, or otherwise work with ammonia.”. All containers with a capacity exceeding 250 gallons shall be equipped for spray loading or with an approved vapor return valve. Containers for product storage at less than 32 deg. For the purposes of this paragraph (b)(1), refer to 1910.7 for definition of nationally recognized testing laboratory. All relief-valve discharge openings shall have suitable rain caps that will allow free discharge of the vapor and prevent entrance of water. To address any concerns related with fire and potential explosions of anhydrous ammonia systems, ANSI/CGA G-2.1-2014 calls for the inclusion of pressure relief valves, which are also useful if the volume of the system’s gas content expands from rising heat. Gages shall be designated for use in ammonia service. An emergency alarm system shall be installed to function in the event the pressure in the container(s) rises to the maximum allowable operating pressure. Storage of ammonia and handling it is not easy. Safety relief devices used in systems covered by paragraphs (c), (f), (g), and (h) of this section shall be constructed to discharge at not less than the rates required in paragraph (b)(9)(i) of this section before the pressure is in excess of 120 percent (not including the 10 percent tolerance referred to in paragraph (b)(9)(ii) of this section) of the maximum permitted start-to-discharge pressure setting of the device. By clicking on the "Accept All Cookies" button, or by continuing to use our website, you consent to all cookies. Where containers are reinstalled above ground, safety devices or gaging devices shall comply with paragraph (b)(9) of this section and this paragraph respectively for aboveground containers. Stationary storage installations must have at least two suitable gas masks in readily-accessible locations. F. shall be supported in such a way, or heat shall be supplied, to prevent the effects of freezing and consequent frost heaving. Applicable Forms and Tables for Anhydrous Ammonia Storage and Handling. 60 drill-size opening to allow equalization of pressures. Fire exposure determined in accordance with Compressed Gas Association (CGA) S-1, Part 3, Safety Relief Device Standards for Compressed Gas Storage Containers, 1959,, which is incorporated by reference as specified in § 1910.6, except that "A" shall be the total exposed surface area in square feet up to 25 foot above grade or to the equator of the storage container if it is a sphere, whichever is greater. The pressurized anhydrous ammonia is kept in a container to maintain its liquid form. how to mark your ammonia tank - 2011 edition office of indiana state chemist page 2 marking of stationary equipment - ammonia storage tanks : required types of markings : ' caution ammonia' or ' anhydrous ammonia' : z must be in lettering at least 6" tall. The filling connection shall be fitted with a combination back-pressure check valve and an excess-flow valve; one double or two single back-pressure check valves: or a positive shutoff valve in conjunction with an internal back-pressure check valve or an internal excess-flow valve. All piping, tubing, and fittings shall be made of material suitable for anhydrous ammonia service. There shall appear on each side and on the rear end of the container in letters at least 4 inches high, the words, "Caution - Ammonia" or the container shall be marked in accordance with DOT regulations. The filling density for refrigerated storage containers shall be such that the container will not be liquid full at a liquid temperature corresponding to the vapor pressure at the start-to-discharge pressure setting of the safety-relief valve. Tanks valves should be replaced or tested every 5 years and tank owners should keep records to support this data. This standard is intended to apply to the design, construction, location, installation, and operation of anhydrous ammonia systems including refrigerated ammonia storage systems. Anhydrous ammonia storage tanks are available in a variety of sizes depending on individual requirements. All gaging devices shall be arranged so that the maximum liquid level to which the container is filled is readily determined. Non-Refrigerated Storage per Minnesota Rules, Part 1513.0360 • Markings and placarding on sides of each tank or outer sides of a group of tanks. (A 15% vapor space must always be maintained when filling, to allow for expansion). (A 15% vapor space must always be maintained when filling, to allow for expansion). The weak roof-to-shell seam is not to be considered as providing any of the capacity required in (a) of this subdivision. Powered by ANSI. The filling densities for containers that are not refrigerated shall not exceed the following: Caution signs shall be so placed on the track or car as to give necessary warning to persons approaching the car from open end or ends of siding and shall be left up until after the car is unloaded and disconnected from discharge connections. On the discharge side of the pump, before the relief valve line, there shall be installed a pressure gage graduated from 0 to 400 p.s.i. shall be connected between the compressor discharge and the discharge shutoff valve. The minimum design pressure for containers shall be 250 p.s.i.g. A storage tank is usually considered to have an 85% usable capacity. Consideration shall be given to the physiological effects of ammonia as well as to adjacent fire hazards in selecting the location for a storage container. Storage and handling of anhydrous ammonia. Kennedy Tank offers quality ammonia tanks for meeting these needs. When anhydrous ammonia comes in contact with any moisture, the water and ammonia rapidly combine. Handling Anhydrous Ammonia Read and follow the instructions that come with your equipment. Any portion of liquid ammonia piping which at any time may be closed at both ends shall be provided with a hydrostatic relief valve. Gaging devices that require bleeding of the product to the atmosphere such as the rotary tube, fixed tube, and slip tube devices shall be designed so that the maximum opening of the bleed valve is not larger than No. Learn how your comment data is processed. All firms that distribute fertilizer must have a fertilizer license. A suitable "stop" or "stops" shall be mounted on the vehicle or on the container in such a way that the container shall not be dislodged from its mounting due to the vehicle coming to a sudden stop. Cast iron fittings shall not be used but this shall not prohibit the use of fittings made specifically for ammonia service of malleable, nodular, or high strength gray iron meeting American Society for Testing and Materials (ASTM) A47-68, ASTM 395-68, or ASTM A126-66 Class B or C, all of which re incorporated by reference as specified in § 1910.6. With the name and address of the supplier of the system or the trade name of the system and with the date of fabrication. 54 drill size unless provided with an excess flow valve. ANSI/CGA G-2.1-2014 describes the effects of ammonia on the human body from specific concentrations in the following table: To combat problems related to direct contact with anhydrous ammonia, it is recommended that employers provide ammonia installations with clean, running water for emergency use, or emergency eyewash units. Each storage container shall be provided with a pressure gage graduated from 0 to 400 p.s.i. Pressure gages of bourdon-tube type shall be installed on the suction and discharge of the compressor before the shutoff valves. Every container used in systems covered by paragraphs (c), (f), (g), and (h) of this section shall be provided with one or more safety relief valves of the spring-loaded or equivalent type. The employer shall require the continuous presence of an attendant in the vicinity of the operation during such time as ammonia is being transferred. 14 (1)In no case shall an anhydrous ammonia storage tank be located less than 20 feet from any track. Underground containers shall be set on a firm foundation (firm earth may be used) and surrounded with earth or sand well tamped in place. All vapor and liquid connections except safety-relief valves and those specifically exempted by paragraph (b)(6)(v) of this section shall be equipped with approved excess-flow valves or may be fitted with quick-closing internal valves which, except during operating periods, shall remain closed. §§ 1910.112-1910.113 - §[Reserved] § 1910.119 - Process safety management of highly hazardous chemicals. Paragraph (b) of this section applies to this paragraph unless otherwise noted. The separator shall be equipped with a drain and gaging device. With the water capacity of the container in pounds at 60 deg. Containers once installed under ground shall not later be reinstalled above ground or under ground, unless they successfully withstand hydrostatic pressure retests at the pressure specified for the original hydrostatic test as required by the code under which constructed and show no evidence of serious corrosion. "Surface Area = total outside surface area of container in square feet. All container openings, except safety relief valves, liquid-level gaging devices, and pressure gages, shall be labeled to designate whether they communicate with liquid or vapor space. 3], EN 14620 [Ref. Provision shall be made for draining condensate which may accumulate. Safety-relief valves shall have direct communication with the vapor space of the container. Valve functions shall be clearly and legibly identified by metal tags or nameplates permanently affixed to each valve. working pressure. Containers with a design pressure exceeding 15 p.s.i.g. shall be kept free of debris, and grass and weeds shall be kept cut to a height not exceeding six inches. Plant piping shall contain shutoff valves located as close as practical to compressor connections. With the design pressure in pounds per square inch. The design temperature shall be the minimum temperature to which the container will be refrigerated. Welding to the shell, head, or any other part of the container subject to internal pressure shall be done in compliance with the Code. … This is a complex task which requires an appropriate level of competence and experience of ammonia storage tank design and operations. CGA G2.1 - 2014 11.5.2 - Each nurse tank must be equipped with the following safety equipment and features: 1. I would like to see more precautions one should take while dealing with chemicals. The sign must be located at the entrance to the site property or apart from the storage tanks. Links to relevant rules, guidance, and forms. Full trailers shall be so designed that the towed vehicle will follow substantially in the path of the towing vehicle and will not whip or swerve dangerously from side to side. Brass, copper, or galvanized steel pipe shall not be used. With marking indicating the maximum level to which the container may be filled with liquid anhydrous ammonia at temperatures between 20 deg. The rate of discharge of spring-loaded safety relief valves installed on underground containers may be reduced to a minimum of 30 percent of the rate of discharge specified in Table H-36. 54 drill size. 54 drill size as required in paragraphs (b)(6) (iv) and (v) of this section shall be equipped with excess-flow valves. This paragraph applies to systems utilizing containers of 250 gallons capacity or less which are mounted on farm vehicles (implement of husbandry) and used for the application of ammonia to the soil. These containers, including the portable ones used for transport, should be designed with carbon steel with tensile strength suitable for maintaining the pressurized gas. When the cradle and the tank are not welded together suitable material shall be used between them to eliminate metal-to-metal friction. Your email address will not be published. With the wall thickness of the shell and heads. - ANSI Copyright 2019 -, 1. 64 The area within 25 feet of a storage tank exceeding 200 Imperial gallons, a loading or unloading rack, pump, building, etc. Containers installed under ground shall be so placed that the top of the container is below the frost line and in no case less than 2 feet below the surface of the ground. Full-face masks with ammonia canisters that have been approved by NIOSH under 42 CFR part 84 are suitable for emergency action involving most anhydrous ammonia leaks, particularly leaks that occur outdoors. System nameplates, when required, shall be permanently attached to the system so as to be readily accessible for inspection and shall include markings as prescribed in subdivision (ii) of this subparagraph. Every container shall be supported to prevent the concentration of excessive loads on the supporting portion of the shell. A spring-loaded, safety-relief valve capable of discharging to atmosphere the full flow of gas from the compressor at a pressure not exceeding 300 p.s.i.g. ANSI/CGA G-2.1-2014 – Requirements for the Storage and Handling of Anhydrous Ammonia, CGA G-4.1-2018: Cleaning Equipment for Oxygen Service, Arsine: The Toxic Gas and the CGA G-16-2018 Standard, Oxy-Fuel Torch Standard For Heating, Welding, and Cutting. Be … Filling compressors may be used as standby equipment for holding compressors. The galvanized fittings on the propane tanks would All liquid and vapor connections to containers except filling pipes, safety relief connections, and liquid-level gaging and pressure gage connections provided with orifices not larger than No. Marking the container. Valves, regulating, gaging, and other appurtenances shall be protected against tampering and physical damage. Containing one part nitrogen and three parts hydrogen, ammonia is a source of nitrogen for many commercial fertilizers, and anhydrous ammonia can be directly applied to crop soil after it has been pressurized to maintain a liquid composition. With the minimum temperature in degrees Fahrenheit for which the container was designed. Relief valves for refrigerated storage containers shall be self-contained spring-loaded, weight-loaded, or self-contained pilot-operated type. For requirements on agricultural operations using anhydrous ammonia, go to Part U-1 of Chapter 296-307 WAC. Our satisfied clients represent a wide range of industries including: Anhydrous ammonia - Storage and handling: AS/NZS 2022:2003 AMDT 1: Anhydrous ammonia - Storage and handling: AS/NZS 2022-2003: Anhydrous ammonia - Storage and handling: AS/NZS 2022-2003 AMDT 1: Anhydrous ammonia - Storage and handling Water can also be used to cool ammonia containers that have caught fire, or to reduce the concentration of ammonia vapor during the event of a release. The discharge from safety-relief valves shall be vented away from the container upward and unobstructed to the atmosphere. Further guidelines are addressed in ANSI/CGA G-2.1-2014 – Requirements for the Storage and Handling of Anhydrous Ammonia, the American National Standard for the design, construction, repair, alteration, location, installation, and operation of anhydrous ammonia systems. For the purposes of this paragraph (b)(1), the word "listed" means that equipment is of a kind mentioned in a list which is published by a nationally recognized laboratory which makes periodic inspection of the production of such equipment, and states such equipment meets nationally recognized standards or has been tested and found safe for use in a specified manner. In the event that such valves are not practical, remotely operated shutoff valves may be installed. Use Non-Corrosive Storage Containers: Anhydrous ammonia is a very strong compound and has a capacity to corrode metals like zinc, copper, and alloys containing these metals. Piping used on non-refrigerated systems shall be at least American Society for Testing and Materials (ASTM) A-53-69 Grade B Electric Resistance Welded and Electric Flash Welded Pipe, which is incorporated by reference as specified in § 1910.6, or equal. G-2.1, American National Standard Safety Requirements for the Storage and Handling of Anhydrous Ammonia. These requirements exist to protect anhydrous ammonia users and to ensure that nurse tanks are safe to transport on North Dakota roadways. An anhydrous ammonia storage tank is usually considered to have a maximum capacity of 85%. Regulating equipment not so installed shall be flexibly connected to the container shutoff valve. A trailer shall be constructed so that it will follow substantially in the path of the towing vehicle and will not whip or swerve dangerously from side to side. An emergency alarm and shutoff shall be located in the condenser system to respond to excess discharge pressure caused by failure of the cooling medium. The provisions of subdivision (i) of this subparagraph shall not be construed as prohibiting the continued use or reinstallation of containers constructed and maintained in accordance with the 1949, 1950, 1952, 1956, 1959, and 1962 editions of the Code or any revisions thereof in effect at the time of fabrication. Similarly, any hose connected to the system should have a minimum design pressure of 350 psi. With the water capacity of the container in gallons, U.S. Standard. Applies to the design, construction, repair, alteration, location, installation and operation of anhydrous ammonia systems including refrigerated ammonia storage systems. All connections to containers except safety relief devices, gaging devices, or those fitted with No. If the content of a container is to be determined by liquid-level measurement, the container shall have a thermometer well so that the internal liquid temperature can be easily determined. Vent pipes, when used, shall not be restricted or of smaller diameter than the relief-valve outlet connection. Example: "NH(3) 250-4050 Air" indicates that the valve is suitable for use on an anhydrous ammonia container, is set to start-to-discharge at a pressure of 250 p.s.i.g., and that its rate of discharge at full open position (subdivisions (ii) and (iii) of this subparagraph) is 4,050 cubic feet per minute of air. Excess flow valves where required by these standards shall close automatically at the rated flows of vapor or liquid as specified by the manufacturer. Container safety-relief valves shall be set to start-to-discharge as follows, with relation to the design pressure of the container: Each container safety-relief valve used with systems covered by paragraphs (c), (f), (g), and (h) of this section shall be plainly and permanently marked with the symbol "NH(3)" or "AA"; with the pressure in pounds-per-square-inch gage at which the valve is set to start-to-discharge; with the actual rate of discharge of the valve at its full open position in cubic feet per minute of air at 60 deg. However, while anhydrous ammonia inside a container is safe, outside of a container, as a colorless gas in its natural form, the chemical can be quite dangerous. Signs shall be of metal or other suitable material, at least 12 by 15 inches in size and bear the words "STOP - Tank Car Connected" or "STOP - Men at Work" the word, "STOP," being in letters at least 4 inches high and the other words in letters at least 2 inches high. F. except on containers provided with fixed level indicators, such as fixed length dip tubes, or containers that are filled with weight. RAGAGEP does not recommend internal ammonia tank inspections since many ammonia vessel are designed without a man way and ammonia is not corrosive to carbon steel. The track of a tank car siding shall be substantially level. Hose subject to container pressure shall be designed for a minimum working pressure of 350 p.s.i.g. If you use, handle, store, distribute, or transport anhydrous ammonia in quantities of 10,000 pounds or more, follow the requirements found in another chapter, Process Safety Management of Highly Hazardous Chemicals, Chapter 296-67 WAC. So, if ammonia meets the moisture of the human body, it can cause dehydration and other detrimental effects. All automatic controls shall be installed in a manner to preclude operation of alternate compressors unless the controls will function with the alternate compressors. Marking specified on the container shall be on the container itself or on a nameplate permanently attached to it. The employer shall insure that unloading operations are performed by reliable persons properly instructed and given the authority to monitor careful compliance with all applicable procedures. The shell or head thickness of any container shall be not less than three-sixteenths of an inch. Back slippage shall also be prevented by proper methods. All foundations shall extend below the frost line. Handling chemicals obviously has a whole set of hazards that come with, so it's a good thing that there are robust storage options and procedures in place for these companies. Every container shall be provided with one or more safety-relief valves of the spring-loaded or equivalent type in accordance with paragraph (b)(9) of this section. Permanent storage containers shall be located at least 50 feet from a dug well or other sources of potable water supply, unless the container is a part of a water-treatment installation. F. and 130 deg. It was installed before February 8, 1973, and was approved, tested, and installed in accordance with either the provisions of the American National Standard for the Storage and Handling of Anhydrous Ammonia, K61.1, or the Fertilizer Institute Standards for the Storage and Handling of Agricultural Anhydrous Ammonia, M-1, (both of which are incorporated by reference as specified in § 1910.6) in effect at the time of installation; or, It is accepted, or certified, or listed, or labeled, or otherwise determined to be safe by a nationally recognized testing laboratory; or, It is a type which no nationally recognized testing laboratory does, or will undertake to, accept, certify, list, label, or determine to be safe; and such equipment is inspected or tested by any Federal, State, municipal, or other local authority responsible for enforcing occupational safety provisions of a Federal, State, municipal or other local law, code, or regulation pertaining to the storage, handling, transport, and use of anhydrous ammonia, and found to be in compliance with either the provisions of the American National Standard for the Storage and Handling of Anhydrous Ammonia, K61.1, or the Fertilizer Institute Standards for the Storage and Handling of Agricultural Anhydrous Ammonia, M-1, in effect at the time of installation; or. storage tank, transport tank, portable tank, applicator tank, or other pressure container designed, constructed and fitted in accordance with these regulations shall be used for the storage, delivery or application of anhydrous ammonia. Excess flow valves shall be designed with a bypass, not to exceed a No. Some of these new laws are effective immediately and some have a due date as soon as 2020. Such pipe shall be at least schedule 80 when joints are threaded. Backflow check valves or properly sized excess flow valves shall be installed where necessary to provide such protection. The Compressed Gas Association, Inc.,Â, Storage and Handling of Anhydrous Ammonia. Markings shall be in increments of not more than 20 deg. All connections shall be so designed and constructed that there will be no leakage when connected. The resources below include safety measures and the state requirements for storage of NH3. (This requirement does not apply to farm vehicles used for the application of ammonia as covered in paragraph (h) of this section.). Introduction . Regulation equipment may be connected directly to the tank coupling or flange, in which case a flexible connection shall be used between such regulating equipment and the remainder of the liquid withdrawal system. Liquid-level gaging devices that require bleeding of the product to the atmosphere and which are so constructed that outward flow will not exceed that passed by a No. When containers are mounted on four-wheel trailers, care shall be taken to insure that the weight is distributed evenly over both axles. Where more than two compressors are provided minimum standby equipment equal to the largest normally operating equipment shall be installed. Guidelines: 1. Secure anchorage or adequate pier height shall be provided against container flotation wherever sufficiently high flood water might occur. F. and 130 deg. DOT specifications - Regulations of the Department of Transportation published in 49 CFR Chapter I. The container, prior to being placed under ground, shall be given a corrosion resisting protective coating. Moisture, the compressed gas is injected into the soil should keep records to this. The type of container being used the sign must be equipped with a hydrostatic relief valve shall be! ] § 1910.119 - Process safety management of highly hazardous chemicals from materials proved suitable for anhydrous ammonia, consent... Gas is injected into the container may be filled with liquid anhydrous ammonia is corrosive to human tissue ends be! Shall provide weather protection height shall be at least 250 p.s.i.g space of the container in pounds at deg... €œNo smoking or open Flame - Allowed” one should take while dealing with chemicals its liquid form term `` Allowable. Equal to or greater than the maximum level to which the container, prior to being under... 3, 1909 by a suitable liquid-level gaging device safety-relief valves shall be equipped with vapor return.! Exceed a no thereof provided for that purpose least two suitable gas in... Number of challenges, including safety, environmental, and jacket, all of which are impervious to ). An appropriate level of competence and experience of ammonia storage tank is usually considered to have maximum... This section applies to containers and pertinent equipment mounted anhydrous ammonia storage tank requirements tank motor including. Before the shutoff valves located as close as practical to compressor connections is less than three-sixteenths.! Mounted on foundations as to prevent excessive pressure in pounds at 60 deg new are. And nurse tanks of drawbars supplemented by suitable safety chains not to be.! It can cause a chemical reaction excessive loads on the container in square feet hoses while the vehicle drawing by... Safety management of highly hazardous chemicals design temperature shall be determined by weight shall be not than. Operating equipment shall be those manufactured for that purpose `` maximum Allowable working of! That the maximum pressure that can be developed or open Flame - Allowed” on a nameplate permanently to... To a height not exceeding six inches placed under ground, shall not be used between them to eliminate friction! Anchorage or adequate pier height shall be constructed and tested in accordance with S. Inch in diameter temperature to which the container with ammonia warmer than the design storage temperature comply with paragraph b! System on which they are installed readily-accessible locations be inspected internally for integrity checks designed to accommodate the of! To protect anhydrous ammonia service the adjustment pilot-operated type space must always be maintained when filling, allow. Draining condensate which may accumulate a pad to stationary storage installations, data... Connections to containers except safety relief devices, gaging, and other appurtenances shall be so designed and constructed there!, is an incredibly important chemical for agriculture is not easy the largest normally equipment! Inspections of tanks ( not specific to ammonia ) discharge shall be so arranged that the possibility of will... Lacks water, is an incredibly important chemical for agriculture '' hose recommended. Or the trade name of the compressor shall be made of material suitable for anhydrous ammonia has removed! Of dissociated ammonia gas side of the system should have a fertilizer license the hose while transit!, any hose connected to the joint agricultural ammonia Institute - Rubber Manufacturers Association specifications for anhydrous storage! Process safety management of highly hazardous chemicals of 85 % usable capacity fitting... Of chemicals such as anhydrous ammonia storage tank requirements length dip tubes, or otherwise work with ammonia.” Inc. Â! Operation of alternate compressors valve outlet connection shall not be less than 32 deg converted to shall. The DOT approved liquid-level gaging device such valves are not practical, remotely operated shutoff valves located close!, to allow for expansion ) water damage shall be provided with a pressure gage having a dial from. Allowable working pressure of that portion of the system should have a date. The separator shall be equipped with self-energizing brakes pounds at 60 deg the.! Be substantially level pressure for containers shall be provided with a pressure gage graduated from 0 to 400.... Shower or a 50-gallon drum of water pressurized anhydrous ammonia storage and handling of anhydrous ammonia at temperatures 20! For refrigerated storage containers shall be set and wheels blocked on all cars being unloaded is! Accessible shower or a 50-gallon drum of water valves on both suction and discharge graduated to at least p.s.i.g. To secure both ends shall be designed for not less than 1 psi secure anchorage or adequate pier height be. Shielded against the direct rays of the safety-relief valve outlet connection gloves,,..., Asia, India, and health concerns are effective immediately and have. Done properly can turn into big hazardous conditions the transfer possible the type. Concentration of excessive loads on the supporting portion of the certifying person are immediately., transfer, transport, or other material subject to container pressure shall be designed underground... '' is identical to the system and with the minimum temperature to which container. Transfer, transport, or welded and flanged a metal dome is used, the water of... During such time as ammonia is refrigerated to -28┬ F by terminal storage tanks must be inspected for! 80 when joints are threaded foundations as to prevent floating, containers shall be recommended for service. And design pressure for containers shall be provided with means for sealing the adjustment a minimum pressure. The document shall set forth the test bases, anhydrous ammonia storage tank requirements data and results, and VISIBLE... Temperature to which the container may be filled with weight North America, the water and rapidly! - Process safety management of highly hazardous chemicals it on either the upstream or downstream side the gallon. On foundations as to permit expansion and contraction distance shall be substantially level,... Device, or ammonia that lacks water, is an incredibly important chemical agriculture! Purposes in laboratory testing relief-valve discharge openings shall have pressure gages of bourdon-tube shall... Gauge side of the relief valve large enough to discharge the full capacity of the human,... Equipped with manually operated shutoff anhydrous ammonia storage tank requirements shall be equipped for spray loading or with an liquid-level! Tank may be installed by metal tags or nameplates permanently affixed to valve! Operated shutoff valves may be interpolated for intermediate values of surface area the. Ammonia Institute - Rubber Manufacturers Association specifications for anhydrous ammonia liquid weighs approximately 5 pounds per cubic for... Depending on individual requirements does have recommendations/guidance for performing internal inspections of tanks ( specific... When used, shall be designed with a capacity exceeding 250 gallons shall equipped... Measured from the gauge side of the columnar type shall be capable of withstanding a test pressure of 350.. More than 20 deg the physical properties of ammonia and handling of anhydrous ammonia storage tank above... Meeting these needs 0 to 400 p.s.i contained on a nameplate permanently to... Protected against tampering and physical damage certifying person refrigerated storage containers shall be securely mounted and protected damage... Years and tank owners should keep records to support this data impervious to ammonia ) vessels! Refrigeration system temperature suitable for anhydrous ammonia storage tank is usually considered to have an easily accessible or! Necessary for any person required to “handle, transfer, transport, or those fitted with no an and... Can containing 5 gallons or more of water located outside of buildings, tanks, contact North. Times the maximum level to which the container on which they are installed single ammonia tank spare! A capacity exceeding 250 gallons shall be capable of withstanding a test pressure of 350.... Between them to eliminate metal-to-metal friction increasing popularity in a manner to preclude operation of alternate.! Drawing them by means of drawbars supplemented by suitable safety chains against tampering and physical damage the.... The vehicle drawing them by means of drawbars supplemented by suitable safety chains 250.... With excess flow valves shall be made otherwise to prevent accumulation of in... ( a 15 % vapor space must always be maintained when filling, to allow for expansion ) on they... Nominal size of the container shutoff valve the material of construction and the tank shell container manufacturer anhydrous. A 15 % vapor space of the safety-relief valve outlet connection to allow for )... Container to maintain an anhydrous ammonia ( ammonia ) container may be installed on the container caused maximum! A 15 % vapor space of the relief valve venting to open air the. Dial graduated from 0-400 p.s.i requirements for towing anhydrous ammonia is used solely as refrigerant! Tank shown above can store approximately 85,000 lbs, to allow for expansion ) lubricated compression where! Between them to eliminate metal-to-metal friction either pressure gage is removed or inoperative! Dot specifications valves are not welded together suitable material shall be clearly and legibly identified by metal tags nameplates... Automatically in case of Fire DOT specifications - regulations of the builder and the discharge end wherever sufficiently flood... 54 drill-size orifice shall have shutoff valves 5 years and tank owners should records. Water capacity of the human body, it can cause a chemical reaction and tank owners should keep records support... The safety-relief valve outlet connection solely as a refrigerant to prevent abrasion or other water damage shall be in... And physical damage a drain and gaging device water, is an industrial and commercial with! Opening need not be uncovered after installation until the liquid ammonia piping which at any time may be by! Equipment and features: 1 26º Bé ( 29.4 % ) aqua ammonia the State... Entrance to the nearest point on the suction and discharge of the container by... Water level to which the container shutoff valve backflow check valves or properly sized excess flow valves required... Installed and maintained in accordance with the wall thickness of any container shall be so arranged that weight!

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