Good day;
This question has come up a few times in my world, and I'm hoping someone can point me in the right direction. I'm sure we've all seen pipe spools where someone has cheated while installing a slip on flange. The flange is "kicked" a bit to change the direction of a pipe. I've seen...
Good day;
We are in the process of preparing for hydrotesting some OTSG units. The client will not be using them for quite some time after hydrotesting. The AI wants to see a procedure for drying the waterside of the tubes before we button everything up. Our intention is to use an oil free...
Hello everybody;
I'm hoping you guys can help me with a little problem I'm having. I'm trying to determine the heating requirements for a construction site. The space consists of a temporary scaffold enclosed with insulated construction tarps. We are going to use Herman Nelson industrial...
I've been asked to design a compressed air receiver. The tradesmen that will fabricate it want to use threaded half couplings for the nozzles. When I did my calculations, I used the "G" dimension from ASME 16.11, deducted the corrosion allowance, and then deducted the thread allowance to get...
Hello;
A client of ours has specified compressed air piping be galvanized post fabrication. The spec also calls for flanged connections. Any idea what we'll have to do to the flange after galvanizing? We are going to oversize the bolt holes slightly, and are thinking we'll have to machine the...
