DPT

DPT-BOV-GS-BL

Blue Racing Type-S Turbo Turbocharger Blow Off Valve BOV Adjustable 30psi Turbo Turbochage Boost

Blow Off Valves

8 Discharge Ports That Draw In Surrounding Air and Release a Unique Discharge Sound

40mm, Hard-Anodized Valve for Increased Airflow

Dual Spring System Promoted Response and Allows for High Boost Pressures

Holds Up to 30 PSI Boost Pressure

Aggressive JDM Racing Discharge Sound

The Blow-Off valve (BOV) is a pressure relief device on the intake tract to prevent the turbo's compressor from going into surge. When the throttle is closed rapidly, the airflow is quickly reduced, causing flow instability and pressure fluctuations. Surge can eventually lead to thrust bearing failure due to the high loads associated with it. Blow-Off valves use a combination of manifold pressure signal and spring force to detect when the throttle is closed. When the throttle is closed rapidly, the BOV vents boost in the intake tract to atmosphere to relieve the pressure, helping to eliminate surge.

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