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Using dry nitrogen to pressure test a system is a very effective method of verifying a system is leak-free. In fact, I believe it is more reliable than using a standing vacuum test typically performed ...

Pressure relief valves (PRVs) are a critical line of defense for pressure vessel protection in the power industry. Generating facilities worldwide depend upon these devices to sense and quickly ...

Measuring total external static pressure (TESP) on an air handler can be confusing. It’s even worse when you’re the one who is adding to the confusion. A recent email from Judy Rachel, with Home ...