ACTOM FIRE DETECTION SYSTEMS FOR EXPLOSIVE ATMOSPHERES

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ACTOM Industry is the ACTOM group’s mine winder hoist expert with modern power electronic drive, control and switchgear technology, providing turnkey solutions for specialised industrial rotating drive and power applications in mining, metals, paper and process industries. We further offer Magnetic Rope Testing, Dynamic Brake Testing and Level One inspections in hoist applications and we supply Fire Detection Systems in explosive atmospheres.

ACTOM FIRE DETECTION SYSTEMS FOR EXPLOSIVE ATMOSPHERES

Our fire detection systems are approved as intrinsically safe for use in explosive atmospheres. Our systems are SABS approved and certified to meet the rigorous standards of SANS 1515. The Air Velocity Detector complements our line-up of robust and reliable fire detection systems range, which includes the following:

  • Air Velocity Detectors
  • Carbon Monoxide Detectors
  • Methane Detectors
  • Particle Smoke Detectors

During 2023 ACTOM Industry acquired the sole and exclusive ownership of both the Safdy Air Velocity Detector and the Safdy Methane Detector. Our business now have the sole and exclusive rights to manufacture, market, and distribute all these products under one roof.

ACTOM AIR VELOCITY DETECTOR

The Safdy flow meter, now known as the ACTOM Air Velocity Detector, deploys a solid-state airflow sensor specifically developed for monitoring the “airflow rate” in dusty and high moist conditions associated with mining environments. It uses the well proven VORTEX method to measure the airflow very accurate and independent of small particles, making it highly suited to monitor that the mine ventilation system is performing within acceptable parameters.

Air circulation in the underground mines is achieved by using various extractor and/or intake fans. When an extractor or intake fan fails, the airflow will decrease, and this will be reflected in less than 10 seconds by the airflow sensor output signal to the SCADA system to alert operating teams and ventilation officials.

The measuring head, vortex-shedding beam and associated electronics is housed in a sturdy rectangular metal enclosure to provide protection against impact during handling and the effects of cross flow over the sensor head when in operation. The enclosure can be easily mounted from the hanging wall or side walls and in parallel to the direction of flow.

Our Air Velocity Detector has timeously emerged as the premier choice for underground applications during extensive independent evaluations within the South African mining sector. Renowned for its unparalleled durability and precise applicability, the unit outperformed all others tested, boasting an impressive accuracy rate of approximately 89%. The presence of water mist and dust have no impact on the accuracy with resulting low demand of maintenance.

TECHNICAL DATA

Supply voltage 7 to 24V DC
Power consumption 5mA + loop current (4 – 20mA)
Range normal 0,4m/s to 15m/s DIL switch selectable
Other ranges Any range up to 40m/s
Output 4mA to 20mA (standard)
  0mA to 1mA (alternate)
Housing Stainless steel powder coated orange
Explosion protection SABS M/03 – 166X
  Ex ia Group I/IIC T4
Approval Rating Supply Input 24V and 2Amp
Dimension 250 x 140 x 75mm
Weight 1,6kg

 

Contact Details:

Janna Kapp – General Manager

+27 (0) 11 430 8700

+27 (0) 83 455 5269

janna.kapp@actom.co.za

Sales and Technical Services

Heino Preis                                          Keabetswe Matlhare

+27 (0) 11 430 8815                           +27 (0) 11 430 8807

+27 (0) 82 822 7746                           +27 (0) 60 956 2862

heino.preis@actom.co.za                    keabetswe.matlhare@actom.co.za

 

 

 

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