Blow off valves + accessories There are 108 products.

Blow off or BOV is the valve used for turbo or supercharger engines. It is used to release the excess pressure created between the throttle and the turbine when turbo is rotating while shifting gears which results that pressure remauns in the pipeline due to closed throttle valve. By using BOV valve, this excess compressed air is forcibly remove...

Blow off or BOV is the valve used for turbo or supercharger engines. It is used to release the excess pressure created between the throttle and the turbine when turbo is rotating while shifting gears which results that pressure remauns in the pipeline due to closed throttle valve. By using BOV valve, this excess compressed air is forcibly removed from the pipeline to produce characteristic sound for BOV and avoid so-called turbo lag.

 

We usually distinguish valves into two categories, Open and Closed.

 

  • The open BOV releases compressed air into the atmosphere.

 

  • Closed returns excess air from the pipeline back to the pre-turbo circuit.

 

There are also BOV valves for Diesel engines, which only works as sound effect while changing gears.

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