thanks you much @heaviside1925, I'll make a excel file based on the API 521.
Mr. LittleInch thanks for your replay.. what we need is prove showing that the silencer is required..
thanks
Cristian
Dear All
i m preparing a procedure to carry out the steam blowing pipe cleaning. one of the points that i m evaluating is the noise that will be generated during the activity.
my question is which standard should i apply and which formula..
the pipe will discharge steam directly in atmosphere...