What is a Pneumatic Actuator ?
Actuator : By themselves, valves cannot control a process. Manual valves require an operator to position them to control a process variable. Valves that must be operated remotely and automatically...
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Spring and Diaphragm Pneumatic Actuators
Spring and diaphragm pneumatic actuators can be “direct-acting”, meaning that air to the diaphragm casing pushes the actuator stem downward. This “air-to-close” action compresses the spring, which in turn pushes...
Basics of Valves Interview Questions & Answers
Are you preparing for interview ? check out these Basics of Valves Interview Questions & Answers. Lets read the control valves basics. Basics of Valves Interview Questions & Answers What...
Common Terms Used in Control Valves
In application of control valve, many terminologies are used and some Common Terms Used in Control Valves are actuator, trim, bonnet, bench set etc. Here we introduce some of these...
Flow Control Valves Interview Questions
Read the Flow Control Valves Interview Questions and answers which are prepared for your preparation. Flow Control Valves Interview Questions & Answers What is the function of a flow control valve...