A dump valve, blow-off valve or compressor bypass valve is a pressure release system in most turbocharger engines. Its main purpose is to take the load off the turbocharger when the throttle is suddenly closed. It is an emergency outlet for compressed air in the post-compressor path. This valve and this path are normally closed, when compressed air in the engine is required, and all compressed air goes to the air manifold, but If the driver removes his foot from the accelerator pedal, the engine has to reduce speed, it is necessary that compressed air does not enter the manifold, so the dump valve is opened and the compressed air is connected to the turbocharger inlet by a path. This part is also used in Soren and Dena Plus turbocharged engines. This product is produced by shayeghan dade electric pouyesh.