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Instrumentation

What is a surge tank?

A surge tank can be described as a storage reservoir, this device would be...
Instrumentation

What is a pressure surge in a pipeline and how to do the surge analysis?

What is a pressure surge or water hammer and what causes them? The pressure surge...
Control Valve

What is an expansion valve?

These valves are used to control the refrigerant flow in a refrigeration system. Expansion...
Electrical

What is a stepper motor?

The name stepper is used because the rotation of the motor is through the...
Electrical

What is a servo motor?

A servo motor is a variable speed drive and it is used in many...
Control Valve

What is a balancing valve?

What is a balanced system and what is the need for balancing? A balanced system...
Control Valve

What is a counterbalance valve?

This type of valve would allow the flow in one direction and it would...
Control Valve

What is a sequence valve?

A sequence valve is widely used in a hydraulic system these valves are pressure...
Control Valve

What is a cartridge valve?

A cartridge valve is a directional control valve, it is a two-position valve and...
Control System

What is a servo valve?

A servo valve can vary the fluid flow according to the changes in the...
Electrical

What is an electrical line or phase tester and how does it work? What are the parts of an electrical line tester?

A line tester is electrical equipment that can be used to detect the presence...
Control Valve

What is a proportional control valve?

The proportional control valve can be considered as the combination of the hydraulic valve...
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