| Customization: | Available |
|---|---|
| Media: | Oil |
| Standard: | En 12516 |
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Q1: What is the safety valve?
1. The primary purpose of safety valves is to safeguard life, property, and the environment. A safety valve is meticulously designed to open and release excess pressure in a container or device, then re-close to prevent further fluid release once normal conditions are restored.
2. Acting as a critical safety device, the safety valve is often the final line of defense. It is crucial to ensure its functionality at all times and under all circumstances. Safety valves are not intended to serve as process valves or pressure regulators and should only be used for overpressure protection.
Q2: How does a safety valve work?
The operational principle of a safety valve is outlined as follows:
1. Open: When system pressure exceeds the safety valve's set pressure, the valve disc opens due to the combined force of medium pressure and the spring, releasing the excess pressure.
2. Keep Open: As the system pressure stabilizes within the set parameters, the spring stabilizes, maintaining system stress and keeping the safety valve open.
3. Close: When the system pressure drops below the set pressure of the safety valve, the spring force is insufficient to keep the valve open, causing the valve disc to close under medium pressure, thereby halting any further pressure increase.
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