I really would like to think pipes can handle water hammer. On the rare occasion when I bring my system down, I get a lot of hammer on start up.
If you run at 100psi, then everything should be rated for 300psi.
As for foreign pipe vs US pipe, I buy US pipe but I have not seen any measurable differences in longevity. My system's pipes say made in china or hyundai for every five feet for thousands of feet. Condolences to the families. Something to be learneed here.
Maybe. I have not read many investigation reports on root cause of failures. I like to tell visitors to my boiler/chiller rooms that these are the safest rooms in the building because we maintain them to be the safest rooms in the building. I hate to think I've been telling lies. We get pretty serious hammer when we screw up. The system is not shy about telling us when we screw up , things shake, pipes move, but I have yet to see a life threatening result.
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