Recent Blog Posts

Ammonia Week in Review | June 14, 2019

June 14th, 2019

An ammonia tank explodes killing 1 and injuring 14 others in Spain. Read more from this week’s edition of the Ammonia Week in Review… One Dead, 14 Injured in Spanish Ammonia Tank Explosion – One worker was killed on May 31 when a 20,000 litre ammonia tank exploded at a factory near the city of Tarragona in north eastern […]

Relief Valve Orientation

May 28th, 2019

One often overlooked aspect of relief valve installation is valve orientation. Many refrigeration professionals are not familiar with the 2017 ASME B&PV Code Section VIII Appendix M-11 recommendation that “Spring-loaded safety and safety relief valves normally should be installed in the upright position with the spindle vertical. Where space or piping configuration preclude such an […]

When Does a Relief Valve’s Clock Start?

April 2nd, 2019

While it is well known that good engineering practice requires that relief valves be replaced every five years, industry literature does not clearly state when the five-year timer starts its countdown. Is it when the valve is manufactured? Taken out of the box? Installed? Exposed to ammonia? Due to the lack of clarification on this […]

IIAR Standards Presentation by Peter Thomas at Bakersfield Safety Day

February 18th, 2019

Last week, at the Bakersfield Central Valley Chemical Safety Day, Peter Thomas, P.E. and President of Resource Compliance gave a presentation on IIAR’s suite of standards. Click here to view the slides from his presentation.

Peter Thomas Partners with IIAR to Provide Guidelines for Low Charge Ammonia Refrigeration Systems

October 2nd, 2018

The International Institute of Ammonia Refrigeration (IIAR) recently published Low Charge Ammonia Refrigeration Management (ARM-LC) Guidelines, to provide guidance to owners, contractors, and manufacturers of ammonia refrigeration systems with a total inventory of less than 500 lbs of ammonia. Peter Thomas, P.E. played an instrumental role in developing these guidelines that will serve our industry […]