What is the difference between a safety valve and a relief valve?
1)A safety valve is a pressure relief valve actuated by inlet static pressure and characterized by rapid opening or pop action.
A relief valve is a pressure-relieving valve actuated by inlet static pressure and opens in proportion to the increase in pressure over the opening pressure.
2)The terms 'safety' and 'relief are synonymous; the safety valve is generally applied to valves protecting any vessel, which could explode and endanger life whereas the relief valve is more
appropriate to the valve protecting system containing non-expansible liquid a burst causing no violent explosion.
3)Another notable difference between these valves is that the vent of a safety valve is led to a 'safe' place (harmless to the working personnel) whereas a relief valve vents just outside the valve.
1)A safety valve is a pressure relief valve actuated by inlet static pressure and characterized by rapid opening or pop action.
A relief valve is a pressure-relieving valve actuated by inlet static pressure and opens in proportion to the increase in pressure over the opening pressure.
2)The terms 'safety' and 'relief are synonymous; the safety valve is generally applied to valves protecting any vessel, which could explode and endanger life whereas the relief valve is more
appropriate to the valve protecting system containing non-expansible liquid a burst causing no violent explosion.
3)Another notable difference between these valves is that the vent of a safety valve is led to a 'safe' place (harmless to the working personnel) whereas a relief valve vents just outside the valve.
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