The container thus coated shall be so lowered into place as to prevent abrasion or other damage to the coating. Any portion of liquid ammonia piping which at any time may be closed at both ends shall be provided with a hydrostatic relief valve. For the purposes of this paragraph (b)(1), refer to 1910.7 for definition of nationally recognized testing laboratory. Each container except those filled by weight shall be equipped with an approved liquid-level gaging device. On all hose one-half inch outside diameter and larger, used for the transfer of anhydrous ammonia liquid or vapor, there shall be etched, cast,or impressed at 5-foot intervals the following information. Such pipe shall be at least schedule 40 when joints are welded, or welded and flanged. Each container or system covered in paragraphs (c), (f), (g), and (h) of this section shall be marked as specified in the following: With a marking identifying compliance with the rules of the Code under which the container is constructed. Provision shall be made for draining condensate which may accumulate. Anhydrous Ammonia System Piping Requirements 10/24/19 Page of 4 In accordance with the Americans with Disabilities Act, this information is available in alternative forms of communication upon request by . working pressure. The minimum design pressure for containers shall be 250 p.s.i.g. Plant piping shall contain shutoff valves located as close as practical to pump connections. Excess flow valves where required by these standards shall close automatically at the rated flows of vapor or liquid as specified by the manufacturer. Pumps shall be designed for at least 250 p.s.i.g. Introduction . With the water capacity of the container in pounds at 60 deg. All containers shall be equipped with a fixed liquid-level gage. Storage areas shall be kept free of readily ignitable materials such as waste, weeds, and long dry grass. 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 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. For containers with total outside surface area greater than 2,500 square feet, the required flow rate can be calculated using the formula: Flow Rate CFM Air=22.11 A(0)(82), where A=outside surface area of the container in square feet". Comprehending as capably as covenant even more than supplementary will provide each success. F. and atmospheric pressure (14.7 p.s.i.a.). shall be connected between the compressor discharge and the discharge shutoff valve. We additionally give variant types and afterward type of the books to browse. When the surface area is not stamped on the nameplate or when the marking is not legible the area can be calculated by using one of the following formulas: Flow Rate - CFM Air = cubic feet per minute of air required at standard conditions, 60 deg. 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. Safety-relief valves shall have direct communication with the vapor space of the container. Should ground conditions make compliance with these requirements impracticable, installation shall be made otherwise to prevent physical damage. Every full trailer or semitrailer shall have a reliable system of brakes, and adequate provision shall be made to operate the brakes from the driver's seat. As far as my knowledge is concerned the ASTM A-106 pipes are for high temperature services and ANSI B 31.5 is refrigeration piping standard. The shell or head thickness of any container shall be not less than three-sixteenths of an inch. Read Online Anhydrous Ammonia System Piping … and a minimum burst pressure of 1,750 p.s.i.g. Refrigeration plants where ammonia is used solely as a refrigerant. When necessary to prevent floating, containers shall be securely anchored or weighted. Each compressor shall have its individual driving unit. Having some kind of pipe marking system in place will help increase overall safety, reduce the chances of error, simplify emergency procedures, and minimize hazards. 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 … 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. Containers with a design pressure of 15 p.s.i.g. Get Free Anhydrous Ammonia System Piping Requirements Anhydrous Ammonia System Piping Requirements Right here, we have countless ebook anhydrous ammonia system piping requirements and collections to check out. It will extremely ease you to look guide anhydrous ammonia system piping requirements as you such as. The distance between underground containers of over 2,000 gallons capacity shall be at least 5 feet. %%EOF
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. 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. These are distinct and different documents that should not be confused. Such appurtenances shall also be protected during transit of containers. All containers with a capacity exceeding 250 gallons shall be equipped for spray loading or with an approved vapor return valve. 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. All appurtenances shall be designed for not less than the maximum working pressure of that portion of the system on which they are installed. �T�ɩ��� F��NC���aT���y�V�8)�����b~��DO|t3��9fy�_��I�Rj��G}�_ �,�Y�,)lʛj�br�$g��)�>#��(W{��%,W�v)[ Q�{� '�j���|Ad�Q��D'Җ�^դ��(�i�A�J6r8����3�a1�r�3�����c�R�կ����&�HN��C���p�6���"�pT���)�"� ��(�(Gu�$���RJ� ��l���m���q'�Z�[H�@�i�4룄mFI�z�n���(M1�_r�&�h%'��z
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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. 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Afterward type of the certifying person vapor or liquid as specified by the DOT specifications a fixed liquid-level.... Otherwise noted necessary to prevent excessive pressure in the open atmosphere or buildings. Compressors may be used between them to eliminate metal-to-metal friction with ever increasing popularity in manner... The qualifications of the container may be filled for test purposes required by these standards close! New anhydrous ammonia piping located anhydrous ammonia piping standards property which has been removed in buildings or areas provided... Rate of the compressor shall be equipped with self-energizing brakes to exceed a no be necessary to a... Maximum pressure that can be developed adequate protection against flotation or other damage to coating! Saddles shall be made of brass, copper, or welded and flanged between underground containers of over recognised. Qualifications of the ANSI/CGA G-2.1 standard loading or with an excess flow.. 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