Recent Blog Posts

Ammonia Week in Review | August 9, 2019

August 9th, 2019

A liquid ammonia spill send a Rhode Islander to the hospital in this week’s edition of the Ammonia Week in Review… Borden & Remington Worker Hospitalized after Ammonia Spill at Fall River Plant – A Borden & Remington Corporation employee was transported to Rhode Island Hospital for observation after liquid ammonia spilled on him Thursday afternoon while he […]

Do Machinery Rooms Require a Shunt Trip?

August 6th, 2019

The term “shunt trip” is often used in discussions regarding an ammonia refrigeration machinery room e-stop. Technically speaking, a shunt trip is a device that is designed to trip a circuit breaker remotely. In the context of an ammonia refrigeration system, the shunt trip would be located outside the machinery room so that all power […]

Remote Emergency Stop Switches (E-Stops)

March 21st, 2016

Remote Emergency Stop Switches are an integral part of a compliant ammonia refrigeration machinery room. ANSI/IIAR 2-2014 §6.12.1 requires that: “A clearly identified emergency shut-off switch with a tamper-resistant cover shall be located outside and adjacent to the designated principal machinery room door. The switch shall provide off-only control of refrigerant compressors, refrigerant pumps, and normally […]