Safety valve (disambiguation)

A safety valve is a mechanism for the release of a substance from a pressurized vessel when the pressure or temperature exceeds preset limits.

Safety valve may also refer to:

• Safety valve (law), a provision in the United States Federal Sentencing Guidelines
• Safety valve theory, relating unemployment and the Homestead Act of 1862
• Safety-valve institution, a term used in sociology to describe organizations which serve to prevent tensions from accumulating in a society
• Safety Valve (Biscayne Bay), a structure of sand flats and tidal channels separating Biscayne Bay in Florida from the Atlantic Ocean
• Safety valve, a method for managing Emissions trading
• Safety shutoff valve, a device to close a line and stop the flow of material
• Downhole safety valve, a shutoff device in a gas or oil well
• An oral inflation valve that does not let the air out unless, for example, the valve stem is pinched.