Diesel engine emergency shutdown

A shut down valve (also referred to as SDV or Emergency shutdown valve, ESV, ESD, or ESDV) is an actuated valve designed to stop the flow of a hazardous fluid or external hydrocarbons (gases) upon the detection of a dangerous event. This provides protection against possible harm to people, equipment or the environment. Shutdown valves form part of a Safety instrumented system. The process of providing automated safety protection upon the detection of a hazardous event is called Functional Safety Shutdown valves are primarily associated with the petroleum industry although other industries may also require this type of protection system. ESD valves are required by law on any equipment placed on an offshore drilling rig to prevent catastrophic events like the BP Horizon explosion in the Gulf of Mexico in 2010.

diesel engine emergency shutdown
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Basic + Model

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Premium Model

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Basic Model

Basic + Model




Air Intake Valve Shutdown, Stop/Run from inside cab, RPM Shutdown, RPMtest.


The Basic + Model is our entry level Guardian Safety System with Dash control and RPM Shutdown which offers superior protection in comparison with other air intake shut off valves in the market today.


Government regulation requires every Diesel engine that operates in or near Oil and Gas sites to be equipped with an adequate air intake shutdown valve, therefore this system is the minimum standard that we recommend installing into your vehicles and machinery.

Dash Controller


The Dash controller allows the user to shutdown the engine from inside the cab and ours is the only Dash control unit on the market with an LED light to let the user know the status of the Valve.


Being able to shutdown the engine from inside the cab is very useful when you consider that most other systems on the market require you to manually navigate around the engine compartment to shut the system off.


This is the safest way to quickly and efficiently bring your engine to a standstill should it enter into a “runaway” state.

RPM Shutdown


The Valve Control Unit (VCU) allows for each engine to be programmed at a predefined RPM,once the engine reaches this set RPM (to within 1 RPM) it will activate the Valve to Shutdown.


The standard RPM limit is set at 200 RPM above the Governed speed and this can be configured to set requirements with our more advanced models.

Air Intake Valve Shutoff


The valve is a butterfly design with a silicone o-ring which ensures you get a positive seal every time it is used.


We use a motor to control the valve so it is not able to move unless it is instructed to do so by the user.


With our design there is no reduction in air flow through the valve because it flows in lines that do not waste airspace, unlike other systems on the market.

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