Temperature Pressure Relief Valve
JX-0945B
- TP Model Fast-Acting Pressure-Relief Valves for Low-Pressure Steam
- For Use With Steam
- Low-Pressure Steam
- Temperature: 110° F;
- DN20
- These valves meet the requirements of low-pressure steam-heating boilers that require pressure relief at 150 psi.
- All springs fully open at the set pressure and remain open until the system pressure is restored below the set pressure.
- Lead-free brass and bronze are both available
- NPT thread connection
- Standard model, rated pressure 150 psi – BSP thread.
Lead-Free model, rated pressure 150 psi – NPT thread. - ASME is used for the US market

Introduction: What is a temperature-pressure relief valve?
A temperature-pressure relief valve is a safety device installed on water heaters. The valve releases water if the temperature or pressure gets too high. This can prevent the water heater
How does a temperature-pressure relief valve work?
A temperature-pressure relief valve is a device used to protect a closed system from over-pressurization. The valve opens to relieve the pressure when it reaches a predetermined set point. The valve is designed to close again when the pressure has been reduced.

The valve opens when the water temperature in the system rises, which increases the pressure. The increased pressure forces the water through an opening in the valve. This relieves pressure and allows the water to cool. When the water cools, the pressure decreases, and the valve closes. The temperature pressure relief valve is an important safety feature in hot water systems. It prevents the system from becoming over-pressurized, which can lead to damage or even rupture.
What are the benefits of using a temperature-pressure relief valve?
A temperature-pressure relief valve is a device that helps regulate a system’s pressure and temperature. It is often used in systems that use liquids or gases, such as HVAC systems. There are many benefits to using a temperature-pressure relief valve, including the following:
-Preventing overpressure: The valve prevents the system from overpressurizing by releasing excess pressure. This can help to avoid damage to the system and its components.
-Regulating temperature: The valve can also help regulate a system’s temperature. Releasing excess pressure can help keep the system from becoming too hot or too cold.
-Improving efficiency: By regulating the pressure and temperature of a system, a temperature-pressure relief valve can improve its efficiency.









