Control valve installed flow and installed gain characteristics comparing a properly sized 3-inch valve and an oversized 6-inch valve in the same system. Emphasis is added to show the portion of the ...

From ISA’s Ask the Automation Pros Series What is the best inherent flow characteristic for controllability, considering the effect of valve resolution and lost motion, process gain, piping system ...

August 2021 Choked Flow in Control Valves Choked Flow in Control Valves By Katherine Bartels, Adam Harmon Summary Choked flow in control valves is a subject of serious concern for industrial users.

The study exhibits flow and pressure pulsations during the opening of pilot-operated 2/2-way the SPV. The results could guide research on dynamic characteristics, vibration, and noise of ...

The seawater hydraulic variable ballast system (SHVBS) is a critical subsystem to control the submersible dive or float. The operational safety and stability of the SHVBS are ensured by the relief ...