There is almost nothing worse than creating something—or doing something you are proud of—and getting no feedback. Wait, I take that back. Putting your heart and soul into something and then getting negative or dismissive feedback can be worse. How many times have you emailed a quote, a design, or photos of something asking for […]

We had a class with our refrigeration techs, and the topic of leaking and bypassing service “angle” valves and ball valves came up. One of the techs pointed out that most valves recommend loosening the top nut on ball valves and the packing nut on angle valves before turning the stem for maximum longevity of […]

I don't do much in the way of “rack” refrigeration. However, I recently had a conversation with experienced rack refrigeration tech Jeremy Smith, and he got me thinking about EPR valves. I've heard EPR (evaporator pressure regulator) valves called suction regulators or hold back valves. In essence, they hold back against the suction line to […]