Boost Pressure Control (BPC) Valve
The boost pressure may become excessive if turbine speed is too high. This is prevented by the boost pressure control (BPC) valve (5), which bypasses a proportion of the exhaust gases flowing to the turbine.
The boost pressure may become excessive if turbine speed is too high. This is prevented by the boost pressure control (BPC) valve (5), which bypasses a proportion of the exhaust gases flowing to the turbine.