Thanks for the reply. I am referring to a thermal power plant. The steam turbine consists of HP/IP/LP sections, and a heater is connected downstream of the IP turbine. PCV is installed between the IP turbine and the heater to regulate the steam flow to the heater. Even if the PCV is fully open...
We operate a shell and tube heat exchanger, where steam flows on the shell side and feedwater flows on the tube side. The feedwater pressure is higher than the steam pressure. A pressure control valve (PCV) is installed to prevent overpressure on the shell side, and in the event of continued...