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  1. suttsy

    PSV testing

    Thanks don1980. Our plant steam heats a hot water loop through heat exchangers. There is no expansion tank on this loop, the water is circulated to 4 buildings for heating 24/7. The PSV is 5bar rated. The loop pressure 1bar constant.
  2. suttsy

    PSV testing

    Thanks, for your reply OilToil. We are currently reviewing this situation. It's looking highly likely that these systems will have to be shutdown, as there are no isolation points to remove the valves.
  3. suttsy

    PSV testing

    Hi, Our plant has a heating hot water loop system & a chilled water loop system. They both have PSV's which are ever highly unlikely to lift, as the feed pumps are under rated. We do not have a planned shutdown in motion on this site. My question is: Is there a statuory law regarding the testing...

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