Air intake shut-off valves (often called AISV, ASOV, ESD or more simply choke valve) and their systems, provide emergency overspeed protection for diesel engines and are the most effective means to avoid the engine running away.

CHALWYN choke valves distributed exclusively by CENTREXPERT completely block the engine air intake system and, associated with fuel cut-off means, neutralize the engine power supply to prevent it from being overfed, then overspeed causing it to shut off. destruction by propagating its explosion.

CENTREXPERT can also ensure the installation of CHALWYN choke valves on any type of engine and vehicle, especially in the case of access security requirements, with CENTREXPERT OIL KIT.

For more information and documentation, please contact us on +33 (0) 4 72 79 70 35.