Safety Relief Valve Manufacturers usually state their recommended testing procedure and testing intervals in their Installation, Operating and Maintenance Instructions (IOM). Typically, they recommend a manual test every 3 or 6 months (assuming it has a lifting lever) and a set pressure test every 12 months. It is sensible to incorporate these into your maintenance plan so they are not missed. Sometimes your insurance company may require them to be tested even more regularly than this i.e. every 6 months. Testing in most cases involves removing them from your system and having them recertified in an approved workshop.
Here are some key points to note down at the time of testing the safety valves:
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Hyper ValveIndustrial Valve Manufacturers. Archives
July 2021
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