For thermal oil conditions required three-way control valve should bear a high temperature, around 350-degree centigrade, so it makes a more different design than other 3-way globe valves.motorized three-way control valves drawing
Three-way control valves are designed with three flow ports, AB, A and B port. This type of control valve modulates flow capacity and can be diverting flow to two outlet ports or mixing two inlets to one outlet port with different temperatures or pressures.thermal oil two-way control valvesthermal oil 3-way control valves
This liquid solution is for an Indian customer on a heat oil project. There is no control equipment such as a controller on-site, so we provide the integral solution according to the customer’s parameters.motorized three-way control valves
The thermal oil enters the equipment through the three-way control valve, and the temperature sensor collects the process variables on the equipment and delivers parameters to the controller. After comparing the process variable with the setpoint, the controller sends a corrective signal to the three-way control valve, in case modulating the valve opening to reach the required value.
When the thermal oil temperature in the equipment is lower than the setpoint, the controller sends an analog signal to increase the opening in the left → right horizontal channel of the 3-way control valve.
Conversely, when the temperature of the thermal oil is higher than the setpoint, the controller sends a signal to let the three-way control valve left → right channel opening decrease, while the left to the bottom channel opening increases, allowing the medium (thermal oil) to circulate back to the flow.thermal oil three-way control valve
The thermal oil temperature control device comprises a circulating oil pump, electric heater, cooler, cooling valve, temperature sensor, oil tank, valve set, and controller panel. The temperature control device is especially suitable for high-temperature cooling needs (below freezing temperature) and is based on heating as the primary purpose, and the device is often cooling as a supplement.
The temperature control unit of the control panel (PLC or temperature control meter) is used to detect the return oil temperature through the temperature sensor, control (PID) the electric heater and cooling valve, and then control the heating and cooling process: after the oil is heated by the heater, the heat is transferred to the equipment through the forced circulation of the oil pump, and the oil is discharged in the equipment and heats up the equipment. After exothermic and heating the equipment, the temperature drops and then circulates to the heater for circulating heating; when the temperature exceeds the set temperature, the heater stops, and the cooling valve (or fan) is opened for cooling to keep the device temperature constant at the set working temperature.
The independently installed oil tank has three functions oil replenishment, exhaust, and expansion to ensure the stable operation of the thermal oil temperature control device.
As a reliable valve manufacturer, THINKTANK provides many valve solutions for our customers, such as expansion cooling tubes, stainless steel bellows bonnet, and balanced/unbalance cage guided trims to satisfy unique conditions. Generally, our stainless steel bellows are suitable for the valve operating temperature range of 662 °F efficiently. So, these control valves can regulate thermal oil or heat oil, hot oil, high-temperature water, steam, and other critical media. If you are interested in more information, please just feel free to contact us by email marketing at cncontrolvalve.com
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