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F&G Detection and Alarm System

We are a leading provider of powerful solutions for the early detection of fire and gas. Our early fire and gas detection technologies are supplied by various leading brands in the world. The Fire & Gas detection solutions are designed to prevent disasters by giving users time to respond before life, critical infrastructure or business continuity is compromised.

Toxic gas detection technologies

When toxic gases and vapours build up, reaching hazardous concentrations or when a lack of oxygen in the air occurs it can be extremely harmful to human life, plant and equipment. A plant owner needs to entrust the safety and protection of his personnel, equipment and property to a perfectly working sensor since human sensory organs are often unable to detect airborne hazards and, even when they do, are not able to do so early enough.

It is of utmost importance that hazards are identified in real time and reliably, as false alarms lead to production downtime. This is why the sensor is the most important component inside a gas detection system. It converts the measured variable (i.e. a gas concentration) into an electrical signal. Depending on the sensor type, this is achieved by either chemical or physical processes. To a large extent, the reliability with which harmful airborne substances can be detected depends on the sensors that are used to detect them. For this reason, it is essential for the gas detector and sensor to be adapted perfectly to each other.

Flammable gas detection technologies

Most explosion hazards arise from flammable gases and vapours. Instead of avoiding their ignition by explosion protection measures, it is preferable to detect them before they become ignitable. The transmitter is a gas detector that continuously monitors flammable gases and vapours in the air. The gas concentration that is detected in a range lower than the Lower Explosive Limit (100% LEL) is converted to an industry standard 4 to 20 mA signal. Central controllers and control panels are used to evaluate the signal and activate automatic counter measures and alarm devices according to the pre-programmed cause and effect matrices

Flame and heat detection

There are four detector options available:
  • Infra-Red Flame Detectors (IR)
  • Ultra Violet Flame Detector (UV)
  • Combined UV & IR Detector
  • Visual flame detection

Visual flame detection was developed out of a need to create a detector that could distinguish between both large and small sources. The application behind this requirement was FPSOs. The areas that are adjacent to the process relief flare need protection. Flaring has caused numerous shutdowns by conventional radiation flame detectors because they are unable to differentiate between the two events.

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