Ammonia gets caught upside down in this week’s edition of the Ammonia Week in Review….. Broken Pipe Cause of Anhydrous Leak in Worthington – The Worthington Fire Department, with the assistance of three other local departments, responded to the White River Co-Op just before noon Tuesday to assist with a leaking tank in the lot south of […]
ANSI/IIAR 2-2014 §15.6 outlines the requirements for providing Hydrostatic Overpressure Protection. In situations where thermal hydrostatic expansion of trapped liquid ammonia could occur, hydrostatic protection must be provided. Per ANSI/IIAR 2-2014 §15.6.1, Protection against overpressure due to thermal hydrostatic expansion of trapped liquid ammonia shall be provided for equipment and piping sections that can be […]
Anyone who operates an “older” ammonia refrigeration system in California should be familiar with the requirements of the 1982 Uniform Mechanical Code. Cal/OSHA regulation Title 8 CCR §3248(a) requires the following: “Mechanical refrigeration systems placed in service before March 13, 1999, shall be designed, installed, tested, and maintained in accordance with Chapters 4, 15, and 16 […]
Ammonia makes a brief appearance in this week’s edition of the Ammonia Week in Review…… OSHA Investigating Possible Ammonia Leak at Reser’s Plant – The Occupational Safety and Health Administration is investigating a report of an ammonia leak at the Reser’s Fine Foods plant in Topeka last week. […keep reading] Q&A | Relief Valve Replacement (Dual Assembly) – Question: Do both relief […]
Question: Do both relief valves on a dual assembly have to be replaced every five (5) years, or just the relief valve that has been subject to system pressure? Answer: Most pressure vessels in an ammonia refrigeration system exceed 10 cubic feet in volume (normal exceptions are oil pots and small oil separators), and therefore are […]
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