Thank you to both of you for your advice. I'm giving the normal conditions for all the steams in one project;
LP: 4.5 kg, 170C
MP: 17 kg, 280C.
HP: 40 kg, 385C.
And in another project;
LP: 8 kg, 225C.
HP: 40 kg, 385C.
(No MP)
I saw the first case using MP steam for steam-out & flushing...