Thermal Safety Valve Manufacturer:
Valvesonly Europe is a leading Thermal Safety Valve Manufacturer in Italy .When thermal expansion of a liquid causes excessive pressure in a closed system, a thermal safety valve is used. When a fluid warms up, it expands slightly, but not as much as a gas does. And, even if the temperature rises dramatically, the fluid volume does not change by a large percentage or very quickly. This type of valve is commonly referred to as a "Thermal Relief Valve" in the industry.

How Thermal Safety Valve operates is as follows:
The thermal safety valve relieves overpressure in a piping/equipment system that has been thermally heated or expanded due to a temperature rise or continuous heat input, particularly if the system is blocked. As the temperature rises, the liquid stored within the sensor changes state from liquid to gas. The increased volume causes the extendable bellows within the valve to press on the obturator and raise it, resulting in a mechanical motion.
The thermal safety valve is used when the thermal expansion of a liquid causes excessive pressure in a closed structure. When heated, a liquid expands slightly more than a gas. Despite the fact that the primary purpose of using a thermal safety valve is to prevent overheating and maintain pressure vacuum, the pressure of the liquid does not change by a significant percentage and is usually not very fast. Thermal safety valves are distinguished by a few features. To begin with, they don't have to be particularly high because the volume increase would be minor. The direct release of petroleum products and acids into the atmosphere is frequently hazardous. Containment near these thermal safety valves is required because even extremely hot water can be hazardous to the environment. Temperature sensors, processors, and solenoids are rarely used to monitor these valves because they are frequently mounted in areas where a remote controller is not accessible. They must be able to function even if the rest of the system fails, so they are built to be extremely robust and capable of operating in the absence of power or contact with other components. They are available in a variety of configurations and designs to meet the needs of the industry. Thermal safety valves are used in areas where high temperatures are required. They can withstand a wide range of temperatures and control liquid flow with ease.
A thermal safety valve is a device that prevents overpressure caused by thermal expansion. They are used to detect thermal levels and regulate fluid flow. It is especially important to ensure that the inlets are not clogged, as this type of valve will not function if they are. The primary function of a thermal safety valve is to reduce excessive pressure either manually or automatically. They require less maintenance than other valves.
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DESCRIPTION:
• Body material: Cast iron, cast steel (WCB, WCC, LCC, LCB, WC6, WC9), Ductile iron, carbon steel, stainless steel (SS316, SS304, CF8).
• Class: 150 - 2500,
PN10 - PN450.
• Size: ½” - 40”
• Ends: Socket weld butt weld, flanged, threaded

https://www.valvesonlyeurope.com/product-category/thermal-safety-valve/