Temperature Safety Valves
Product Overview
Temperature Safety Valves (TSVs) are protective devices designed to automatically release fluid or pressure from a system when the temperature exceeds a predetermined safe limit. They are commonly used in systems where excessive temperature can lead to dangerous pressure buildup, equipment damage, or safety hazards. These valves help protect boilers, heating systems, pipelines, tanks, and industrial process equipment by preventing overheating.
Temperature safety valves are typically installed in thermal systems such as hot water tanks, boilers, heat exchangers, and industrial heating equipment. When the system temperature rises beyond the valve’s set point, the valve opens to discharge fluid and reduce the temperature to a safe level.
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How it works (simple explanation)
A temperature safety valve contains a temperature-sensitive element (such as a thermal probe, wax element, or bi-metal mechanism) that continuously monitors the temperature of the fluid.
- The valve remains closed during normal operating temperatures.
- When the temperature rises above the preset safety limit, the sensing element expands or activates.
- This movement opens the valve, allowing hot fluid to discharge from the system.
- Once the temperature drops back to a safe level, the valve automatically closes again.
This automatic response protects equipment and prevents overheating.
What it measures
Temperature safety valves monitor:
- Fluid temperature
- Thermal expansion effects in systems
- Overheating conditions in tanks or pipelines
They indirectly help control pressure increases caused by high temperature.
Key advantages
- Overheat protection – Prevents dangerous temperature buildup in systems.
- Automatic operation – Works without manual intervention.
- Equipment protection – Reduces risk of damage to boilers, tanks, and heat exchangers.
- Safety enhancement – Helps prevent accidents, explosions, or system failures.
- Reliable performance – Designed for long-term industrial use.
- Simple design – Minimal maintenance requirements.
Applications
Temperature safety valves are widely used in:
- Boilers and steam systems
- Hot water storage tanks
- District heating systems
- Solar water heating systems
- Industrial heating processes
- Heat exchangers
- Chemical processing plants
- Food and beverage processing
- HVAC heating systems
Installation
Proper installation is important to ensure correct operation.
- Install the valve directly in contact with the hot fluid or at the designated sensing point.
- Mount the valve close to the equipment being protected (e.g., boiler or tank).
- Ensure the discharge outlet is connected to a safe drainage system.
- Follow the manufacturer’s recommended orientation and mounting instructions.
- Avoid installing isolation valves between the system and the safety valve unless required by regulations.
- Perform regular inspection and testing to ensure reliable operation.
Technical Specifications
Parameter | Specification |
Valve Type | Temperature-actuated safety valve |
Temperature Set Range | 60°C – 120°C (typical) |
Maximum Operating Pressure | Up to 10–16 bar |
Connection Size | ½” – 2″ |
Body Material | Brass, Stainless Steel, or Bronze |
Temperature Sensing Element | Thermal probe / Wax element / Bimetal |
Operating Medium | Water, steam, thermal fluids |
Response Type | Automatic opening at set temperature |
Installation Position | Vertical or horizontal depending on design |
Standards | CE, ISO, ASME (depending on manufacturer) |