I am looking for a diagram of a heat exchanger. It needs to show the following parts.?

fixed headfixed head coverfloating headfloating head covergaskethead baffleshellshell baffleshellside nozzletubetube bundletube sheettubeside nozzle

Go to page 7 of this PDF and you will get a cross section of a typical heat exchanger. www.ijee.dit.ie/articles/Vol14-3/...