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detailed valve calculations involve line loss calculations, fluid velocity, line drain requirements, etc. It is not uncommon to use reducers where the controlled flow is much smaller than the line size is capable of supporting. Confirm the maximum flow conditions with the process design staff.

Make a sketch of your control circuit, with make and model of the controller together with intermediate components including transmitter and any pneumatic transducers to drive the valve.

Mr Umairabnasi You might skecht the overall circuit (from input to output) that you are planning.

Check your controller settings

You need to check the sensor, for a start, the transmitters tend to be more reliable if properly installed

Consult you local electrical standards.

And if you love it, its a lot of fun

Per the origiinal post, not a wise choice.

THOR S241f+ evidently usinf optical sensing. They tyically have problems if not properly installed. The OP will have to sketch out his installation.

What is the fuel and chamber pressure

Good start

Many have been, but not seen as marketable.

As long as the empty weight zero is identified, the load cells are linear. You must rely on the lab calibration of the load cell transmitters performed when purchased. Your high bin level span is set during pre-startup check out.

a voltage relay on the bus feed, or on each motor may prove useful.

You are indicating proportional control in your schematic, but solenoids (on-off) in the piping layout, with what appears to be a levers for manual adjustment of the valve capacity.

Mighty big plant there in Lakeland

The conductivity of the electrodes is in the micro-ohm level, while the voltage being sensed is developed by the conductivity of the fluid as it flows through the meter consisting of an insulating liner abd electrodes, under the influence of magnetic fields.

Contact the valve / turbine supplier, you have to work with them

If your controls are that vulnerable, you need a detailed safety review the entire system. A review that includes maintenance, operation, and misoperation.

T/C fail high, can only occur if you have improper ground connection to the negative lead. That being the case, you can get ground fault disturbances for example when a motor with faulting windings start. Check and perform tests of your T/C wiring.