thintank control valve manufacturer

What is meant by Critical Pressure and Critical Temperature?

Critical Pressure

The critical pressure is the vapor pressure of a fluid at the critical temperature above which distinct liquid and gas phases do not exist. As the critical temperature is approached, the properties of the gas and liquid phases become the same, resulting in only one phase.

What is the trim in a control valve?

Multi Hole Cage Of Control Valves

The internal parts of the valve body, valve stem, valve seat, packing set, valve plug, gasket, etc. are collectively referred to as valve trim. In other words, all wetted parts that can be disassembled and replaced in the valve body are part of the control valve trim.

What is incipient cavitation?

Plug Of Control Valve

Incipient cavitation represents the beginning stage of cavitation where light popping noises are heard. Constant cavitation is a steady rumbling sound associated with the start of possible valve damage.

What is the difference between installed and inherent characteristics?

Inherent Characteristics

Inherent characteristics are the flow through the valve (or CV) relative to the percentage opening (the pressure drop at both ends of the valve is constant) of the graph. This is the result of a workshop test in which the upstream and downstream pressures are constant and the only variables are the flow and opening of the valve.

Definition of linear and equal percent characteristic?

Flow Characteristics of control valve

The most common features are shown in the figure above.The percentage of flow through the valve corresponds to the stem position.These curves are based on a constant pressure drop across the valve and are known as the inherent flow characteristics.

What is a desuperheater and how does it differ from an attemporator?

Steam The Energy Fluid

The Venturi desuperheater adopts restrictive measures in the superheated steam pipeline to form a high-speed and turbulent area where cooling water is injected. This helps to establish close contact between steam and cooling water, thereby increasing the efficiency of the desuperheating process.

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