Description
Capillary bulb thermostat is a type of temperature controller designed to regulate the temperature in high-temperature environments. It consists of a temperature-sensing bulb, a capillary tube and a control switch, which work together to keep the temperature within the required range. Temperature-sensing bulbs are usually made of high-temperature materials, such as stainless steel, and are placed in an environment that requires adjustment. The capillary is a small flexible tube that connects the sensor bulb to the control switch.
When the temperature inside the sensor bulb rises or drops beyond the required range, the capillary tube expands or contracts, causing the control switch to turn on or off the heating or cooling system respectively.
The temperature-sensitive part of the thermostat undergoes the physical phenomenon of the workpiece's thermal expansion and contraction (the change in the workpiece's volume), and the temperature-sensitive parts of the diaphragm are connected together to cause expansion or contraction. Through the lever principle, the switch is driven to open and close, achieving the purpose of maintaining a constant temperature.
The working principle of the Capillary bulb thermostat is simple, its structure is simple, and the cost is low. Moreover, due to its stable temperature control and no obvious interference to the controlled temperature, it has certain advantages in certain specific fields, such as in food processing, medicine, and chemical industries.
However, in some cases, the capillary thermostat also has some drawbacks. For instance, during use, if there are situations such as pipe blockage or a low-temperature dead point, it may lead to inaccurate temperature control. Therefore, when choosing a capillary temperature controller, it is necessary to make a reasonable selection based on actual needs to avoid unnecessary troubles.
The components of the capillary thermostat are full of hidden secrets.:
1. The temperature sensing system requires that the expansion coefficient of the liquid in the sealed chamber be greater than 0.0015/℃.
2. The transmission mechanism has a lever ratio comparable to that of an automotive gearbox, which is three times larger. The silver alloy contacts can withstand a current impact of 16A. Why is it superior to ordinary thermostats? Because of its low temperature control accuracy, the corresponding temperature difference is small, and the temperature coverage is wide.
All these appliances in your home are benefiting from it. The 75℃ temperature protection for the electric water heater, the automatic defrosting function of the refrigerator, and even the precise temperature control of the factory injection molding machine - all these are the results of its performance.
The capillary thermostat is applicable to electric heaters, electric boilers, washing machines with drum, electric ovens, etc., as an electric heating control device. It is also suitable for room temperature control. The liquid inside the thermostat shown here is the universal capillary thermostat suitable for various appliances.
Features
1- High-temperature capacity: These capillary thermostats are designed to withstand extreme temperatures and are highly suitable for use in high-temperature environments.
2- Precise temperature control: The capillary thermostat offers precise temperature control to ensure that the temperature remains within a narrow range.
3- Robust structure: The temperature-sensing bulb and capillary tube are made of durable high-temperature materials, capable of withstanding harsh conditions and resisting degradation.
4- Easy Installation: The high-temperature capillary thermostat is easy to install and can be integrated into various industrial heating systems.
5- Reliable performance: These thermostats are designed with reliable performance, long service life and extremely low maintenance requirements.
Application
High temperature capillary thermostat is typically used in various industrial applications, including furnaces, kilns, and other high-temperature heating systems. They are also used in industrial ovens, boilers and other equipment that requires precise temperature control.
1- Furnaces and kilns: These thermostats are used to regulate the temperature in industrial furnaces and kilns, ensuring that the temperature remains within a narrow range to maintain product quality and efficiency.
2- Industrial ovens: Capillary thermostats are used in industrial ovens to control the temperature during cooking, curing or drying processes.
3- Boilers: These thermostats are used to control the temperature of water or steam in boilers, ensuring that the temperature remains within a safe and effective range.
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