Betbolt Engine Shut off Valve

These devices find utility in oil fields and hazardous environments, specifically Zone 2, designed to enhance safety for all diesel engines. As the nomenclature implies, the Engine Shut-off Valve functions to halt the engine operation once it surpasses a predefined RPM threshold. In environments laden with perilous gases, the ingress of these substances, combined with air, poses a risk of uncontrolled engine acceleration. The scenario may lead to the engine operating  at exceedingly high and unsafe RPM levels, precipitating engine failure and potential combustion.
The Engine Shut-off Valve serves as a preventive measure against such occurrences. A crucial component is a is the adjuster pin, employed to set the RPM value. If the engine RPM exceeds the predetermined threshold, the valve's diaphragm swiftly closes, serving the intake air supply. This intentional interruption causes the engine to cease operatoin due to absence of the air. The significance of thhis device is paramount in hazardous areas where mitigating the risk of uncontrolled engine operation is imperative.