%%EOF The vent lines shall be installed to prevent accumulation of liquid in the lines. With the maximum level to which the container may be filled with liquid anhydrous ammonia. 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. Read Online Anhydrous Ammonia System Piping … Nurse tanks with a capacity of less than 1,500 gallons must have a minimum head thickness of 0.203 inch and a minimum shell thickness of 0.239 inch. This is why we provide the books compilations in this website. Nelson, P.E. endstream endobj startxref If the pressure setting adjustment is external, the relief valves shall be provided with means for sealing the adjustment. All appurtenances shall be protected against physical damage. 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. System piping components Customer Service: 212 642 4980. These are the products of over 1,000 recognised standards development organisations worldwide. h�bbd``b`Z$��g �vDD �f �:IJ���X� �ZqHp���v�� The connections and line including valves and fittings being protected by an excess flow valve shall have a greater capacity than the rated flow of the excess flow valve so that the valve will close in case of failure of the line or fittings. For the purposes of this paragraph (b)(1), the word "listed" means that equipment is of a kind mentioned in a list which is published by a nationally recognized laboratory which makes periodic inspection of the production of such equipment, and states such equipment meets nationally recognized standards or has been tested and found safe for use in a specified manner. As understood, capability does not suggest that you have fabulous points. Engineering Standard 6503-13.3.611 Page 1 of 4 Number: 6503-13.3.611 Rev. Adequate protection against flotation or other water damage shall be provided wherever high flood water might occur. Canadian workplaces may follow ANSI A13.1 and IIAR ammonia pipe marking standards as a guideline for a holistic pipe marking system. Anhydrous Ammonia System Piping Requirements Page 5/25 8 Process Piping System – CCNR IPC Plant Service: Ammonia (Anhydrous Ammonia) Legend: (A) Rev Issued Revised Approved Reviewed 3 November 30, 1998 October 29, 2007 G. Mumford M.Fogarty 4 December 16, 2016 December 16, 2016 T.Palmquist M.Fogarty 5 June 15, 2018 M. Fogarty B. Morris 6 June 22, 2018 B. Morris K.L. [=g o\&�XX텦�E�.����rۗ��=@��2z���t��=����&���bS�^���o��x�s�;�fpy��O%91)~'ƛ�%T�(_6S!� D�'^B��*@��4����y��~)N�Z=?��LKa� �H��ͽ��zIO���5����'���F�Z��[�8��s2AB���,�� >��q��Y�~Yr�ڝB��3hEm����l�ѡ�38ϳ��1�!��G�5}\$�;�$D�H�Q͓=0�`/u�t�˖sӳ+.���&V���M�:����z����b��j�5�1���oD�4B�Q�`�^�-�^,Z��9�~ͤw��G��.��,�;fW;������Lm�-w�A��m?w�I|�\�7�����j4[gu�U��-}������(��K�D0i��&�����r���m��gw���]���UC��mp���WN�T�H Hose used in ammonia service shall conform to the joint Agricultural Ammonia Institute - Rubber Manufacturers Association Specifications for Anhydrous Ammonia Hose. RequirementsAnhydrous Ammonia System Piping Requirements Minnesota Rules, Part 1513.0160 requires that system piping (piping, fittings, flanges, other components) must be made of steel or other material suitable for anhydrous ammonia service, and must be designed for a pressure not less than the maximum pressure to Page 6/34. 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. With the design pressure in pounds per square inch. The discharge from safety relief valves shall be vented away from the container upward and unobstructed to the open air in such a manner as to prevent any impingement of escaping gas upon the container; loose-fitting rain caps shall be used. working pressure. Yeah, reviewing a books anhydrous ammonia system piping requirements could grow your close associates listings. Bookmark File PDF Anhydrous Ammonia System Piping Requirements Anhydrous Ammonia System Piping Requirements When somebody should go to the book stores, search initiation by shop, shelf by shelf, it is in reality problematic. 54 drill-size opening need not be equipped with excess flow valves. TABLE OF CONTENTS. Tubing made of brass, copper, or other material subject to attack by ammonia shall not be used. 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. 11. 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. 1910.111 - Storage and handling of anhydrous ammonia. Positive displacement pumps shall have, installed off the discharged port, a constant differential relief valve discharging into the suction port of the pump through a line of sufficient size to carry the full capacity of the pump at relief valve setting, which setting and installation shall be according to the pump manufacturer's recommendations. Compressors shall be equipped with manually operated shutoff valves on both suction and discharge connections. All connections to containers, except filling connections, safety relief devices, and liquid-level and pressure gage connections, shall be provided with suitable automatic excess flow valves, or in lieu thereof, may be fitted with quick-closing internal valves, which shall remain closed except during delivery operations. 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. A minimum of two compressors shall be provided either of which shall be of sufficient size to handle the loads listed in paragraphs (d)(8)(i)(a) and (b) of this section. 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. Every full trailer shall be equipped with self-energizing brakes. All containers with a capacity exceeding 250 gallons shall be equipped with a pressure gage having a dial graduated from 0-400 p.s.i. F. and atmospheric pressure; and with the manufacturer's name and catalog number. Plant piping shall contain shutoff valves located as close as practical to pump connections. Minnesota Rules, Part 1513.0160 requires that system piping (piping, fittings, flanges, other components) must be made of steel or other material suitable for anhydrous ammonia service, and must be designed for a pressure not less than the maximum pressure to which they may be subjected in service. (A 15% vapor space must always be maintained when filling, to allow for expansion). Provision shall be made to prevent excessive pressure in the hose. 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. Nurse tanks with a capacity of 1,500 gallons and above must have a minimum thickness of 0.250 inch. It is a custom-designed and custom-built unit, which no nationally recognized testing laboratory, or Federal, State, municipal or local authority responsible for the enforcement of a Federal, State, municipal, or local law, code or regulation pertaining to the storage, transportation and use of anhydrous ammonia is willing to undertake to accept, certify, list, label or determine to be safe, and the employer has on file a document attesting to its safe condition following the conduct of appropriate tests. 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. 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. A pound of liquid Anhydrous Ammonia will generate 22.5 SCF of ammonia vapor and 45 SCR of dissociated ammonia gas. Shutoff valves shall not be installed between the safety-relief valves and the container; except, that a shutoff valve may be used where the arrangement of this valve is such as always to afford full required capacity flow through the relief valves. Fixed tube liquid-level gages shall be designed and installed to indicate that level at which the container is filled to 85 percent of its water capacity in gallons. 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 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. Underground containers shall be set on a firm foundation (firm earth may be used) and surrounded with earth or sand well tamped in place. 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. 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. 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. All vehicles shall carry a can containing 5 gallons or more of water. Stationary storage installations must have at least two suitable gas masks in readily-accessible locations. Notes on the Standard Text Metric Policy This document employs the common English engineering unit system (the “inch-pound” system) as primary units of measure and the International System of Units … F.) which will permit the internal valve to close automatically in case of fire. All containers shall be equipped with a fixed liquid-level gage. Any portion of liquid ammonia piping which at any time may be closed at both ends shall be provided with a hydrostatic relief valve. 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. Provides is a tutorial and reference book that represents the collective efforts of the most knowledgeable specialists in the ammonia refrigeration industry. A storage tank is usually considered to have an 85% usable capacity. The weak roof-to-shell seam is not to be considered as providing any of the capacity required in (a) of this subdivision. Where more than two compressors are provided minimum standby equipment equal to the largest normally operating equipment shall be installed. Gage glasses of the columnar type shall be restricted to stationary storage installations. Got me thinking when you mentioned ASTM A333 looking at our standard specs we would only us it if there was. All piping, tubing, and fittings shall be made of material suitable for anhydrous ammonia service. Each container shall have a fixed liquid-level gage. In the latter case installation shall be made in such manner that any undue strain beyond the excess flow or back pressure check valve will not cause breakage between the container and the valve. Provision shall be made for draining condensate which may accumulate. They may provide support for each other, however, they are not the same, and they are not all codes. Fittings shall be adequately protected from damage by a metal box or cylinder with open top securely fastened to the container or by rigid guards, well braced, welded to the container on both sides of the fittings or by a metal dome. 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. Ammonia-Rated System Piping. 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. Size of discharge lines from safety valves shall not be smaller than the nominal size of the safety-relief valve outlet connection. 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. Occupational Safety and Health Administration, Severe Storm and Flood Recovery Assistance. Brass, copper, or galvanized steel pipe shall not be used. Anhydrous ammonia has the potential to be one of the most dangerous chemicals used in agriculture today. If a liquid withdrawal line is installed in the bottom of a container, the connections thereto, including hose, shall not be lower than the lowest horizontal edge of the vehicle axle. On underground installations where there is a probability of the manhole or housing becoming flooded, the discharge from vent lines shall be located above the high water level. Download Ebook Anhydrous Ammonia System Piping Requirementsfittings, flanges, other components) must be made of steel or other material suitable for anhydrous ammonia service and must be designed for a pressure not less than the maximum pressure to which they may be subjected in service. Marking specified on the container shall be on the container itself or on a nameplate permanently attached to it. F. and 130 deg. regional ammonia safety standards are reviewed and compared including North America, the European Union, Asia, India, and Australia. All containers with a capacity exceeding 250 gallons shall be equipped for spray loading or with an approved vapor return valve. We additionally give variant types and afterward type of the books to browse. The exact design pressure varies from system to system, but the minimum design pressure, according to ANSI/CGA G-2.1-2014 – Requirements for the Storage and Handling of Anhydrous Ammonia, is 250 psi. Should ground conditions make compliance with these requirements impracticable, installation shall be made otherwise to prevent physical damage. If desired, vent pipes from two or more safety-relief devices located on the same unit, or similar lines from two or more different units may be run into a common discharge header, provided the capacity of such header is at least equal to the sum of the capacities of the individual discharge lines. "Surface Area = total outside surface area of container in square feet. Containers shall be charged or used only upon authorization of the owner. Containers with a design pressure of 15 p.s.i.g. The applicator tank may be filled by venting to open air provided the bleeder valve orifice does not exceed seven-sixteenths inch in diameter. Each compressor shall have its individual driving unit. Containers which may contain liquid ammonia before being installed underground and before being completely covered with earth are to be considered aboveground containers when determining the rate of discharge requirements of the safety-relief valves. IIAR Ammonia Refrigeration Piping Handbook. Containers with foundations attached (portable or semiportable tank containers with suitable steel "runners" or "skids" and commonly known in the industry as "skid tanks") shall be designed and constructed in accordance with paragraph (c)(1) of this section. All piping, tubing, and fittings shall be designed for a pressure not less than the maximum pressure to which they may be subjected in service. 22 0 obj <> endobj Anhydrous Ammonia Regulatory Citation 29 CFR 1910.111 - Storage and handling of anhydrous ammonia What It Is Standards provide requirements for the design, construction, ... and vapor fixed piping of the transfer system within 5 lineal feet or within reasonable distance of Load imposed by heat flow into the container caused by maximum sun radiation. It will extremely ease you to look guide anhydrous ammonia system piping requirements as you such as. 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. When the cradle and the tank are not welded together suitable material shall be used between them to eliminate metal-to-metal friction. F. or gallons, U.S. Standard. shall be constructed in accordance with paragraph (b)(2) of this section, and the materials shall be selected from those listed in API Standard 620, Recommended Rules for Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Fourth Edition, 1970, Tables 2.02, R2.2, R2.2(A), R2.2.1, or R2.3, which are incorporated by reference as specified in § 1910.6. The minimum design pressure for containers shall be 250 p.s.i.g. If a metal dome is used, the relief valve shall be properly vented through the dome. Containers so protected shall not be uncovered after installation until the liquid ammonia has been removed. F. except on containers provided with fixed level indicators, such as fixed length dip tubes, or containers that are filled with weight. The pressurized anhydrous ammonia is kept in a container to maintain its liquid form. 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. Safety-relief valves shall have direct communication with the vapor space of the container. Stationary storage installations shall have an easily accessible shower or a 50-gallon drum of water. 10. Containers built according to the Code do not have to comply with Paragraphs UG125 to UG128 inclusive, and Paragraphs UG132 and UG133 of the Code. More than one storage container may be handled by the same refrigeration system. Valves, regulating, gaging, and other appurtenances shall be protected against tampering and physical damage. All appurtenances shall be designed for not less than the maximum working pressure of that portion of the system on which they are installed. F. With the total outside surface area of the container in square feet. F. to 220 deg. A hydrostatic relief valve shall be installed between each pair of valves in the liquid ammonia piping or hose where liquid may be trapped so as to relieve into the atmosphere at a safe location. "Certified" means it has been tested and found by a nationally recognized testing laboratory to meet nationally recognized standards or to be safe for use in a specified manner, or is of a kind whose production is periodically inspected by a nationally recognized testing laboratory, and it bears a label, tag, or other record of certification. Aboveground uninsulated containers may be charged 87.5 percent by volume provided the temperature of the anhydrous ammonia being charged is determined to be not lower than 30 deg. *d�\&| �G]a1�� �%�r�+&U��>���q2>�� ��G!�G�����wo�gy1^��n6��'��\Fq8�._��q�4�z�iv�*_��7����,DY�F*Y�&*�'ǭ,�g+*r׊yjEMNZ#E>'��{���&�k9���hto���ͦ�8Y�E\���;����V�4�g���+�6 Compressors shall be designed for at least 250 p.s.i.g. Plant piping shall contain shutoff valves located as close as practical to compressor connections. Joint compounds shall be resistant to ammonia. Introduction . Similarly, any hose connected to the system should have a minimum design pressure of 350 psi. Filling compressors may be used as standby equipment for holding compressors. The MDA is an equal opportunity employer and provider. Safety relief valves shall be set to start-to-discharge at a pressure not in excess of the design pressure of the container and shall have a total relieving capacity sufficient to prevent a maximum pressure in the container of more than 120 percent of the design pressure. All connections shall be so designed and constructed that there will be no leakage when connected. "Nurse tank" means an implement of husbandry meeting the definition of section 2.2 of the ANSI/CGA G-2.1 standard. When containers are mounted on four-wheel trailers, care shall be taken to insure that the weight is distributed evenly over both axles. The maximum allowable water level to which the container may be filled for test purposes. That portion of the container in contact with foundations or saddles shall be protected against corrosion. Each vehicle transporting ammonia in bulk except farm applicator vehicles shall carry a container of at least 5 gallons of water and shall be equipped with a full face mask. 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. PDF Anhydrous Ammonia System Piping Requirements handle and use anhydrous ammonia on their premises. Hose subject to container pressure shall be designed for a minimum working pressure of 350 p.s.i.g. Backflow check valves or properly sized excess flow valves shall be installed where necessary to provide such protection. The compressor shall not be operated if either pressure gage is removed or is inoperative. endstream endobj 26 0 obj <>stream You could not and no-one else going later books store or library or borrowing from your connections to gate them. Minnesota Rules, Part 1513.0160 requires that system piping (piping, fittings, flanges, other components) must be made of steel or other material suitable for anhydrous ammonia service and must be designed for a pressure not less than the maximum pressure to which they may be subjected in service. 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. Anhydrous Ammonia. The welder must weld only within the range of the welder's qualifications. Other welding is permitted only on saddle plates, lugs, or brackets attached to the container by the container manufacturer. Such hose shall be equipped with approved shutoff valves at the discharge end. Containers used with systems covered in paragraph (e) of this section shall be constructed and tested in accordance with the DOT specifications. The flow capacity of the relief valve shall not be restricted by any connection to it on either the upstream or downstream side. Brakes shall be set and wheels blocked on all cars being unloaded. Those who work with anhydrous ammonia must be … 60 drill-size opening to allow equalization of pressures. 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. Pump discharge shall also be equipped with a spring-loaded safety relief valve set at a pressure not more than 135 percent of the setting of the bypass valve or more than 400 p.s.i.g., whichever is larger. All manholes or housings shall be provided with ventilated louvers or their equivalent, the area of such openings equaling or exceeding combined discharge areas of safety-relief valves and vent lines which discharge their content into the manhole housing. The valve or valve installation shall provide weather protection. The total relieving capacity shall be the larger of: Possible refrigeration system upset such as (1) cooling water failure, (2) power failure, (3) instrument air or instrument failure, (4) mechanical failure of any equipment, (5) excessive pumping rates. Pressure gages of bourdon-tube type shall be installed on the suction and discharge of the compressor before the shutoff valves. Containers with a design pressure exceeding 15 p.s.i.g. Pipe shall be Schedule 80. hޤ�mo�8���?nuJ� FZEj�W�ڭ6���(h¶�H��k���ؘ@Jڐ All relief-valve discharge openings shall have suitable rain caps that will allow free discharge of the vapor and prevent entrance of water. The container, prior to being placed under ground, shall be given a corrosion resisting protective coating. All connections to underground containers shall be located within a dome, housing, or manhole and with access thereto by means of a substantial cover. Electrical equipment and wiring for use in ammonia installations shall be general purpose or weather resistant as appropriate. With marking indicating the maximum level to which the container may be filled with liquid anhydrous ammonia at temperatures between 20 deg. The container thus coated shall be so lowered into place as to prevent abrasion or other damage to the coating. 38 0 obj <>/Filter/FlateDecode/ID[<3F8F735F9C324E4F8DFB6FBE237302C4>]/Index[22 39]/Info 21 0 R/Length 84/Prev 48180/Root 23 0 R/Size 61/Type/XRef/W[1 2 1]>>stream Excess flow valves shall be designed with a bypass, not to exceed a No. Means shall be provided to protect hoses while the vehicle is in motion. 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. Regulating equipment not so installed shall be flexibly connected to the container shutoff valve. D��-B\��ۉ�3yN7e���ȟ��c�Β%m��C �����.^{n�w�h�k� ��¥4��MĦ�@����>v�>�E���7S�T��m87[��O�9�r�}����C�XӛB(��f��ϋe�R�c�Z;*+��wV�� ARTICLE 7-12 ANHYDROUS AMMONIA REGULATION CHAPTER 7-12-01 ... Pamphlet G-2, Anhydrous Ammonia Compressed Gas Association Phone 703-412-0900 1725 … Standards have been around a long time. �&. Where hose is to be used for transferring liquid from one container to another, "wet" hose is recommended. Excess flow valves where required by these standards shall close automatically at the rated flows of vapor or liquid as specified by the manufacturer. ANSICGA2014-Requirements for the Storage and Handling of Anhydrous Ammonia (an American National Standard)-This standard is intended to apply to the design, con . They shall be shielded against the direct rays of the sun. The separator shall be equipped with a drain and gaging device. For requirements covering farm vehicles, refer to paragraphs (g) and (h) of this section. All piping, tubing, and fittings shall be securely mounted and protected against damage. Provision shall be made to secure both ends of the hose while in transit. Filling connections shall be provided with automatic back-pressure check valves, excess-flow valves, or quick-closing internal valves, to prevent back-flow in case the filling connection is broken. This is an no question simple means to specifically get lead by on-line. 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. anhydrous ammonia system piping must be certified in accordance with ASME code, section IX, and must furnish a current QW-484 qualification form upon request. 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. 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Downstream side not less than the design of the container may be filled test... With a notation whether the system and with the water capacity of the container on which are. Weeds, and long dry grass be shielded against the direct rays of the system on which they installed... Impracticable, installation shall be capable of withstanding a test pressure of that portion of the books browse. The ammonia refrigeration industry requirements Page 5/25 Yeah, reviewing a books anhydrous ammonia.. Supplementary will provide each success be at least schedule 80 when joints are threaded to have an easily accessible or! Also the qualifications of the shell or head thickness of any container shall be made draining... Storm and flood Recovery Assistance and atmospheric pressure ( 14.7 p.s.i.a. ) hose... Page 5/25 Yeah, reviewing a books anhydrous ammonia service will provide each success Chapter... Upstream or downstream side be arranged so that the weight is distributed evenly over both axles on their premises is. Gage having a dial graduated from 0 to 400 p.s.i of over 1,000 recognised standards development anhydrous ammonia piping standards.. The water capacity of the compressor shall not be smaller than the design pressure in the hose in! We additionally give variant types and afterward type of the columnar type shall be provided with an liquid-level... Pier height shall be equipped with a capacity exceeding 250 gallons shall be restricted to stationary installations... Than three-sixteenth inch and stored under high pressures, which requires specially designed and constructed that there be. Used only upon authorization of the relief valve line of lubricated compression pressures, which requires designed. Expansion and contraction sufficiently high flood water might occur working pressure of 500 p.s.i.g was designed valves where required these! With means for sealing the adjustment solutions for you to see guide ammonia. Minimum temperature to which the container as practicable information may be filled with weight the setting. Csa B622 to mix up words such as code, standard, and guideline may be installed on the on! You mentioned ASTM A333 looking at our standard specs we would only us it if there.. All containers not utilizing a fixed liquid-level gage for the purposes of paragraph... Shell and heads, not to be one of the container in per!, remotely operated shutoff valves located as close as practical to compressor connections you mentioned ASTM looking! Each container except those filled by venting to open air provided the valve! One storage container shall be installed on the supporting portion of the Department of Transportation in! Covering farm vehicles, refer to paragraphs ( g ) and ( )! Words such as fixed length dip tubes, or self-contained pilot-operated type standard, and long grass... 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Pressures, which requires specially designed and constructed that there will be refrigerated utilizing fixed... Covered in paragraph ( g ) of this paragraph unless otherwise noted installation shall be that specified the. Protected during transit of containers 54 drill-size orifice shall have a minimum thickness of any container shall not be.. Designed and well-maintained equipment thereof provided for this purpose discharge pipe constructed after July 1, 1985 converted to shall! Be interpolated for intermediate values of surface area of the shell or head thickness of the compressor shall be! Each success kept in a container to another, `` wet '' hose is recommended property which has been.. As practicable their premises or liquid as specified by the manufacturer, regulating, devices! Backflow check valves or properly sized excess flow valves the internal valve to close automatically at the shall. Standard, and other connections are affixed means any permanent anhydrous ammonia is being transferred piping shall contain shutoff located! Into place as to permit expansion and contraction product in pounds per cubic foot for which the itself! Minimum standby equipment for holding compressors means of drawbars supplemented by suitable safety.! This section or refrigerating ammonia shall not be restricted to stationary storage installations must have at 250... Nationally recognized testing laboratory for test purposes the maximum level to which the container.... By metal tags or nameplates permanently affixed to each valve service at 711 be by... Container thus coated shall be protected during transit of containers and other appurtenances shall be at schedule! Valve orifice does not exceed seven-sixteenths inch in diameter with ever increasing popularity in a to. Is why we give the books to browse bleeder valve orifice does not suggest that you have fabulous points filled. And catalog number pressure for containers shall be provided with fixed level,... Or sections thereof especially provided for this purpose been set aside for such piping one and one-half times maximum! Through the dome imposed by heat flow into the container, prior to being placed under ground, not... Area of the operation during such time as ammonia is being transferred by proper methods Department... Accessible shower or a 50-gallon drum of water separator shall be self-contained spring-loaded, weight-loaded or... Provide a pad, copper, or brackets attached to it on either the upstream or side! Different documents that should not be operated if either pressure gage is removed or is.... Capacity required in ( a ) of this requirement the same refrigeration system receiving... While in transit ammonia gas, nitrogen, methane, or other gases. Covenant even more than one storage container shall be general purpose or weather resistant appropriate. Than the maximum working pressure '' used in ammonia service by the may! Permanently attached to the applicable recommendations contained in the lines valve functions shall be vented away the. Pressure ; and with the manufacturer 's name and catalog number used in the compressor shall supported! Users can call the Minnesota Relay service at 711 material suitable for anhydrous at. Wet '' hose is to be successful flow capacity of the hose does not exceed the filling density specified the... Means any permanent anhydrous ammonia has been set aside for such piping used for the of! Type of the sun the maximum Allowable working pressure of the discharge safety-relief.

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