The safety valve is the last line of defence against overpressure. A stuck or failed valve can turn a pressure fault into a serious incident.
Why Testing Matters
Valves can stick from rust, debris or long idle periods. Regular testing confirms they open at the set pressure and reseat properly.
How to Inspect
Check for corrosion, damage and leaks, verify the set pressure marking, and test lifting during a controlled maintenance window following the maker’s procedure.
When to Replace
Replace valves that fail to lift, leak after reseating or show damage. Never defeat or blank a safety valve to stop a leak.
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