Dear All,
Am sure this is a simple question, but I do not work with ANSI equipment very often, I have a specification that is written Class300 B16.5RF 250 - 500 AARH. Can someone please tell me what the AARH stands for?
Thanks
I have a client who is having corrosion problems on a stainless steel heat exchanger skid.
At the start the brazed heat exchangers (s/s plates) were literally being eaten away (secondary side). I thought this could be a production fault so replaced the unit with another one. This lasted a...