Control Valves Archives - Instrumentation Tools

Interview Questions on Control Valves

S Bharadwaj ReddyFebruary 19, 2019February 19, 2019

Interview Questions on Control Valves, Control Valves MCQ, Control Valves Objective Questions, Control Valves Multiple Choice Questions. Interview Questions on Control Valves How to define seat leakage class for control

What is Instrument Air Manifold ?

S Bharadwaj ReddyFebruary 17, 2019February 19, 2019

Instrument air manifold or air distribution manifold is a pipe shaped chamber (manifold) with several branches of outlets for delivering instrument air to multiple consumers such as control valve, actuated valve

Control Valve Working Animation

S Bharadwaj ReddyFebruary 17, 2019March 2, 2019

Control valves are valves used to control conditions such as flow, pressure, temperature, and liquid level by fully or partially opening or closing in response to signals received from controllers

PID Controller Action : Directing Acting & Reverse Acting

S Bharadwaj ReddyFebruary 17, 2019February 17, 2019

Air to open/close valves and direction of control action Control valves come in two sorts: air to open; and air to close. Air to open valves are normally held closed by the

Fundamentals of Valves and their Types

S Bharadwaj ReddyFebruary 17, 2019February 17, 2019

Valves are mechanical devices. They are basic elements with which the flow of fluids and pressure within a system can be regulated. They are mainly used to control the direction

Types of Valve Actuators

S Bharadwaj ReddyFebruary 16, 2019March 20, 2019

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

Valve Characteristics – Quick Opening, Linear & Equal Percentage

S Bharadwaj ReddyFebruary 14, 2019February 14, 2019

In essence a valve simply functions as a restriction in a flow line, with flow areas A1 and A2 and pressure differential p1 – p2, as shown in Below Figure. Valve Characteristics

Short Notes on Different Valve Types

S Bharadwaj ReddyFebruary 14, 2019February 15, 2019

The essential function of a valve is to start, throttle and stop a fluid flow. Throttling, as shown in Below Figure, means regulating or controlling the rate of fluid flow. Different

What is Partial Stroke Test ?

S Bharadwaj ReddyFebruary 5, 2019February 17, 2019

In all of our activities, safety is one of the prime points under consideration. The same is true when we deal with industrial processes, mainly when process automation is increasingly

Electric Motor Actuator Parts

S Bharadwaj ReddyFebruary 2, 2019February 23, 2019

The electric actuator uses an electric motor to provide torque to operate a valve. They are quiet, non-toxic and energy efficient. However, electricity must be available, which is not always

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Category : Control Valves