Suppose the illustrated self-contained, internal-pilot, piston-operated steam pressure- reducing valve is part of a 600-to150 psig reducing station. I...

Question

Suppose the illustrated self-contained, internal-pilot, piston-operated steam pressure- reducing valve is part of a 600-to150 psig reducing station. If there was an increase in demand for steam downstream, what statement correctly represents how the valve would initially respond? GS-0044

Accepted Answer

The downstream pressure would drop, causing the control diaphragm to flex downward and further open the pilot valve.

Engine: Retired questions · General Subjects

Suppose the illustrated self-contained, internal-pilot, piston-operated steam pressure- reducing valve is part of a 600-to150 psig reducing station. If there was an increase in demand for steam downstream, what statement correctly represents how the valve would initially respond? GS-0044

More Retired questions · General Subjects questions