Steam Temperature Control Valve

I didnt get the cascade control theory basics i have to control the main steam temperature around 480 degree output of pid is limited to 0 to 100 corresponding to 4 to 20 ma for control valve so i f i give this value 0 to 100 to inner loop as setpoint to de superheater how the cascade controller works please provide me more detailss.

Steam temperature control valve.

The control valve controlling the flow of coolant through the engine is upstream of the engine and the temperature sensor registers its temperature as it leaves the engine. Simple and efficent heavy duty design for long valve life. Boiler feed valves maintain water pressure by filling boilers and piping systems with water. Efficiency and accurate control are the objective of any steam system.

If the coolant leaving the engine is hotter than the set point the control valve opens to allow more coolant through the valve. Commonly used in washdown applications these systems include a temperature regulating valve with an internal check valve and vacuum breaker to prevent backflow two ball valves for manual control of the water supply a dial thermometer that displays the outlet temperature and a hose rack for storage. All trap designs provide modulating and control and non condensable gas venting. Home products and systems steam condensate pressure and temperature controls regulators and control valves control valves.

The control valve manipulates a flowing fluid such as gas steam water or chemical compounds to compensate for the load disturbance and keep the regulated process variable as close as possible to the desired set point. Discover how control valves are used to maintain operating conditions such as flow pressure temperature and liquid level. Fully utilize your system and provide safe. However in addition to controlling pressure a steam control valve will also control temperature.

In case of steam the major applications are to reduce the pressure of the inlet steam for process application. Sterlco steam control products for top performance in your operation choose the proven accuracy of the sterlco full line of steam control products. Temperature control valves to maintain a set temperature in your system these valves add hot or cold water to compensate for temperature changes. Pressure and temperature control valves regulate pressure and temperature in steam and liquid applications.

Air and vacuum release valves have an air release valve and an air vacuum valve in a compact unit. The secret to this is to match the characteristics of the valve to the application. View all temperature control valves control and protection are critical to the success of your operation. Remove condensate from steam lines and prevent steam loss.