What Is Bleed Valve

A bleed valve is a valve that typically utilizes a threaded bleed screw to open or close. Generally, these valves vent pressure or release media from within a system. This is often necessary before starting maintenance work on a line that contains pressurized liquids or gasses.

What is the purpose of a bleed valve?

A bleed valve is a valve that typically utilizes a threaded bleed screw to open or close. Generally, these valves vent pressure or release media from within a system. This is often necessary before starting maintenance work on a line that contains pressurized liquids or gasses.

Do you need a bleed valve?

A bleed Valve should be installed between the isolation Valve and the pressure-relief device to enable the system to be safely depressurized prior to performing maintenance. This bleed Valve can also be used to prevent pressure build-up between the pressure-relief device and the closed outlet isolation Valve.