Ammonia Vanishes in this week’s edition of the Ammonia Week in Review… Regional HazMat Team Responds to Reported Ammonia Leak at Vicor Facility – Within minutes of arriving, the incident commander requested activation of a regional Tier 1 hazardous materials team after reporting possible ammonia vapors inside the building. […keep reading] 14 Women Hospitalized After Ammonia Gas Leak […]
A savvy refrigeration professional will not only understand the vapor compression cycle, but will also know the “condition” of the refrigerant throughout the system. Let’s start with saturation. Whenever a substance changes from liquid to vapor or vice versa, it is said to be “saturated”. Additionally, a refrigerant is saturated when liquid and vapor coexist. […]
A “pumped overfeed” or “recirc system” is similar to the gravity-flooded system in that it utilizes a vessel that was not part of the DX system. In a pumped overfeed system, however, the vessel, often called a “recirculator”, is not located above the evaporator. In fact, the recirculator may be a long distance from the […]
Ammonia Hits The Road in this week’s edition of the Ammonia Week in Review… Anhydrous Smmonia Leak Prompts Hazmat Response in Stark County – The incident involved an anhydrous ammonia release from an agricultural tank/trailer. […keep reading] Refrigeration Cycle: Gravity Flooded Refrigeration System – A “gravity-fed”, or “flooded” refrigeration system has all of the same components as the direct expansion […]
A “gravity-fed”, or “flooded” refrigeration system has all of the same components as the direct expansion system, but utilizes an additional vessel. Whereas the DX system piped the high-pressure liquid through an expansion device and directly into the evaporator, a flooded system is designed so that the liquid leaving the expansion valve is piped to […]
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