Labeling an Ammonia Receiver

Question: What are the labeling requirements for a High Pressure Receiver in an ammonia refrigeration system? Answer: To properly label any piece of equipment within an ammonia refrigeration system you  must first know which codes and standards are recognized in your jurisdiction. As a resident of California, the following codes/standards are often consulted regarding ammonia equipment […]

Pipe Bending

During a recent Mechanical Integrity Inspection, I ran across a pipe that had been bent to facilitate proper joining during installation. My instinct was to view the bent pipe as a Mechanical Integrity deficiency. After reviewing the most current Refrigeration Piping Code (ASME B31.5 §529) I learned that pipe bending is allowed within the limitations defined in the code. Here’s […]

Ammonia Week in Review | March 27, 2015

Ammonia stirs up trouble in this week’s edition of the Ammonia Week in Review…… Poisonous Gas Leak in Belvedere Last Night – An ammonia leak at a depot in Belvedere last night required assistance from the HART hazardous team at London Ambulance Service (LAS). […keep reading] PARIS TN: Ammonia Leak Contained – Members of the Henry Volunteer Fire Department and Tosh Farms employees […]

Q&A | Relief Valve Replacement (Dual Assembly)

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 […]

MI Writer | Creating a Work Order