bleed valve meaning

• or bleed valve noun
    A valve to enable liquid or gas to be drawn from a closed system or tank
• 
  [Engineering]
  A small-flow valve connected to a fluid process vessel or line for the purpose of bleeding off small quantities of contained fluid.

• bleed:    Verb: bleed (bled) ...
• bleed for so:    [American slang]Fi ...
• bleed for someone:    [American slang]in ...

Examples

1. tvbv turbocharger vacuum bleed valve
2. the test set operates both the bleed valve and solenoid valve independently
3. air bleed valve
4. to aid detection of bleed valve movement in noisy environments a headset has been provided
5. There are several advantages in using a Double Block and Bleed Valve.