Ammonia Week in Review | June 26, 2015

Ammonia is falsely accused in this week’s edition of the Ammonia Week in Review…..

No Chemical Leak Found After 37 Selah Plant Employees Sent to Hospital – An employee leaving the plant Tuesday morning said there had been an ammonia leak. But Martinez said there was no ammonia in the building where cherries were being packed. Ammonia is commonly used as an industrial refrigerant in large warehouses. […keep reading]

Ventilation System Dampers – ANSI/IIAR 2 Addendum B §13.3.3.4 requires that “If motorized dampers are utilized they shall be of the power to close and spring to open type.”  The version of IIAR 2 most recently released for public review states: “Motorized louvers or dampers, where utilized, shall fail to the open position upon loss of power.”  Would either (or both) of these code references restrict the use of gravity backdraft dampers since they “fail” in the “closed position“? […keep reading]

RETA On-line Conference Registration is open! – RETA’s Conference provides four days of technical sessions designed to refresh, renew and expand your refrigeration knowledge and understanding. Our program is filled to capacity with workshops and training sessions from the best in the industry. […keep reading]