We are the authorised national Chalwyn fitting centre.
Operating a diesel engine at all UK Oil and gas sites requires an overspeed protection device and spark arrestor to be fitted, providing an essential control measure for the catastrophic consequences that can result from engine runaway.
Great Coates Motors specialise in the modification of all types of road vehicles with a Chalwyn air intake shut off valve and spark arrestor.
Engine Runaway
When a Diesel engine is exposed to an external fuel source such as an airborne combustible hydrocarbon in the surrounding environment, it naturally ingests the mixture into the air intake system. Since diesel engines control fuel and not air, the engine can no longer maintain speed control.
The engine must be prevented from an uncontrolled runaway by fitting an emergency shut off valve in the engines air intake system, this prevents the over speed by stopping the engine at a pre-set rpm.
