| Model： | ||
| Standard or Nonstandard： | Standard |
|
| Pressure： | HighPressure |
| PriceRange： | ||
| Structure： | Other |
|
| Material： | Casting |
|
| Temperature of Media： | MediumTemperature |
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A safety valve is a valve mechanism for the automatic release of a substance from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named pressure safety valves (PSV) or pressure relief valves (PRV). The other parts of the set are named relief valves, safety relief valves, pilot-operated safety relief valves, low pressure safety valves, vacuum pressure safety valves.
Safety valves were first used on steam boilers during the industrial revolution. Early boilers without them were prone to accidental explosion.
Pressure safety valve with Streamlined body is combined floating-ball disc with cone-shape sealing surface. These insure no abnormal vibration and noise when the valve is in use. These can also reduce pressure loss, makes the scope of upstream pressure much wider than other pressure valves and pressure output more stable. It is widely used in potable water supply, building construction and so on.
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