That means the relationship between the controller output signal versus the control valve flow rate will be changing throughout all the different operational conditions and the loop tuning parameters ...

The valves share the same platform as the original Apollo full-port and standard-port valves, but are offered in 30-, 60-, and 90-degree Vs for equal percentage flow control, and a slotted version ...

Feedwater control valves play a ... main boiler feed pumps, the feedwater control valves are usually eliminated from the main ... by 20% to include the bypass spray water flow.

Bypass flow regulators control flow by diverting excess pump output to the reservoir. The same basic control orifice and compensator spool are used as in the restrictive flow regulator.