How to Choose a Control Valve?
When choosing a control valve for a process, there are many things that must be considered, including the valve’s flow characteristic, its size, noise, the potential for cavitation or flashing...
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Types of Valve Actuators
Valve actuators are devices used to position valves. They can be used to fully open and shut a valve, or in an application that requires constant and precise control, such...
Piping and Instrumentation Drawing (P&ID) Tutorials – Part 3
To read and understand engineering fluid diagrams and prints, usually referred to as P&IDs, an individual must be familiar with the basic symbols. Valve Symbols Valves are used to control...
Different Types of Control Valve Actuators
Fail Open (Spring-to-Open, Air-to-Close) The actuator is spring-to-open, air-to-close type. Operation is via a normally closed 3 way, 2 position (3/2) solenoid valve. When the solenoid is energized, valve closes...