In steam boiler applications, pressure relief valves (PRVs) are the silent sentinels — the last line of defense against potentially disastrous overpressure situations. In a perfect world ...

All relief valves must comply with the ASME code for unfired pressure vessels. Discharge rates are certified by the National Board of Boiler and Pressure Vessel Inspectors. A code symbol is stamped on ...

In this installment of Weekly Boiler Tips we cover the safest testing frequencies and what you need to know before pulling that lever. May 21, 2025 Testing a relief valve at the wrong time could ...