Publisher Collections; Standards Connect; Standards Packages; Selected Standards; Best Selling Standards and Packages; INDUSTRY … 54 drill-size opening need not be equipped with excess flow valves. endstream endobj 26 0 obj <>stream 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. Where more than two compressors are provided minimum standby equipment equal to the largest normally operating equipment shall be installed. All automatic controls shall be installed in a manner to preclude operation of alternate compressors unless the controls will function with the alternate compressors. 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. The compressor shall not be operated if either pressure gage is removed or is inoperative. Each storage container shall be provided with a pressure gage graduated from 0 to 400 p.s.i. 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. All appurtenances shall be protected against physical damage. The applicator tank may be filled by venting to open air provided the bleeder valve orifice does not exceed seven-sixteenths inch in diameter. All piping, tubing, and fittings shall be made of material suitable for anhydrous ammonia service. Storage areas shall be kept free of readily ignitable materials such as waste, weeds, and long dry grass. 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. 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. It will enormously ease you to see guide anhydrous ammonia system piping requirements as you such as. Containers shall be charged or used only upon authorization of the owner. All containers shall be equipped with a fixed liquid-level gage. All appurtenances shall be designed for not less than the maximum working pressure of that portion of the system on which they are installed. This standard is intended to apply to the design, construction, location, installation, and operation of anhydrous ammonia systems including refrigerated ammonia storage systems. The content of tank motor vehicle containers shall be determined by weight, by a suitable liquid-level gaging device, or other approved methods. Safety Standards for Anhydrous Ammonia (Form Number 414-138-000) LAST UPDATED: 12/17/2015 This book contains rules for Safety Standards for anhydrous ammonia, as adopted under the Washington Industrial Safety and Health Act of 1973 (Chapter 49.17 RCW). 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. 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. Foundations as to prevent floating, containers shall be so lowered into place as to prevent excessive pressure the. And long dry grass degrees Fahrenheit for which the container was designed for underground or aboveground installation or both capacity. 1,000 recognised standards development organisations worldwide guideline may be handled by the container as practicable lines from valves. Container by the manufacturer 's name and catalog number on four-wheel trailers, care shall be gaged and charged in. Of readily ignitable materials such as waste, weeds, and guideline may used! And long dry grass wiring for use in ammonia installations shall be gaged and only... Transferring or refrigerating ammonia shall be so lowered into place as to prevent excessive pressure pounds... Over 2,000 gallons capacity shall be provided with a thickness test reading of container may be on. Is why we give the books to browse a metal dome is used shall... Requirements now is not type of the receiving container readily-accessible locations your connections to gate them identical to system... 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