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Confined space entry

Confined spaces are partially or fully closed areas (pits, tanks, sewers…) which can be found in many fields of application. Risks generated because of a poorly oxygenated, toxic or explosive atmosphere are real and serious in these areas and cause oftentimes severe accidents and deaths

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Confined space air monitors & safety solutions

CONFINED SPACES

Confined spaces are partially or fully closed areas that were not designed to be permanently occupied by persons. Operations inside (confined space interventions) are then clearly defined as exceptional regardless if it happens when building these spaces, servicing them (particularly when cleaning) or maintaining them (periodical checking, repair).

Fields of application

  • Control, chlorination, ozonization in water treatment
  • Crawl spaces, sewers, accessible drains, pipes
  • Mines, long and tight galleries
  • Wells, pits, silos and cellars

CONFINED SPACE ENTRY

Key risks

Most of accidents – severe or lethal – that occur while entering confined spaces are linked to a poorly oxygenated atmosphere, the presence of toxic gas or vapors or even fire or explosion. These are thus prime risks to monitor when establishing work procedure.

  • Asphyxia, anoxia or hypoxia: temporary or definitive absence of oxygen that can lead to death
  • Intoxication: Intoxication is due to inhalation or absorption of a gas or a toxic product (hydrogen sulphide, carbon monoxide, hydrogen cyanide) that can lead to death
  • Explosion and fire: presence of flammable gas (natural gas, butane, propane, hydrocarbon vapors) or dusts which can ignite fire and explosion

Confined space risk prevention

It is recommended to organize in advance any confined space entry feasibility and to collect necessary prevention means. In addition to classic PPE (helmet, gloves, safety boots…), it is advised to be equipped with a 4 gas detector ( combustible gases, oxygen deficiency, carbon monoxide and hydrogen sulphide) and a self-rescuer mask for emergency escape…

WASTEWATER TREATMENT TRAINING

Any sanitation and waste water treatment worker who need to operate in a confined space has to receive a specific training (E.G. CATEC ® training in France). This training exists in two versions: operator or supervisor.

With near 35,000 people working in waste water treatment and sanitation in France, CATEC ® training is now required for safety at work. Other local and international training also exists. These trainings are made on common basis to improve safety levels and behaviors in field of sanitation.

⇒ Learn more about wastewater treatment training

OUR SELECTION OF CONFINED SPACE EQUIPMENT

The most commonly used unit in confined spaces is the 4 gas detector that simultaneously measures combustibles gases (methane), oxygen (O2), carbon monoxide (CO) and hydrogen sulphide (H2S). For emergency escape, a self-rescuer mask remains indispensable!

Area gas monitor – RADIUS BZ1

The Radius BZ1 is a high performance area gas monitor. As it is made with rough materials, it suits in the most demanding ATEX standards and the harshest environments.

  • Industrial scientific area gas monitor Radius BZ1 for workers safety

Area gas monitor – RADIUS BZ1

The Radius BZ1 is a high performance area gas monitor. As it is made with rough materials, it suits in the most demanding ATEX standards and the harshest environments.

Industrial scientific area gas monitor Radius BZ1 for workers safety
  • Detection of combustible gases, Cl2, CO, H2, H2S, HCN, NH3, NO2, O2, SO2 and VOC.
  • Duplicate 108 dB audible alarm and red & blue LED visual alarm
  • Runtime: 168 hours without pump (7 days) and 84 hours with pump
  • Dimensions: 29 x 29 x 55 cm – weight 7.5 kg – 11.2 cm LCD display
  • Available with optional LENS wireless technology

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VENTIS-MX4 portable gas detector that complies with ATEX standards. This detector can detect from 1 to 4 gases with a large range of sensor combinations (Explo 0-100% LEL, O2, CO, H2S, NO2, SO2).

Portable 4 gas detector – VENTIS-MX4 – EXLO, O2, CO, H2S

VENTIS-MX4 portable gas detector that complies with ATEX standards. This detector can detect from 1 to 4 gases with a large range of sensor combinations (Explo 0-100% LEL, O2, CO, H2S, NO2, SO2).

Portable gas detector MX4-Ventis
  • Detection of Explo (0-100% LEL), O2, CO, H2S, NO2, SO2
  • Robust, shock-resistant and waterproof device (IP66 and IP67)
  • Enhanced visibility with safety orange overmold
  • Compact and lightweight: first multigas detector with a single-gas detector size
  • Optional slide-on sampling pump (up to 30 meters)
Additional information

The Ventis-MX4 is a portable multigas detector. Contrary to single-gas detectors, it can detect up to 4 gases. Thanks to its rechargeable Li-ion battery, it can continuously operate during around 12 hours at 20°C ambient temperature. This battery can be replaced by an optional extended battery for up to 20 hours of autonomy without pump.

The Ventis-MX4 portable gas detector can detect up to 4 gases amongst explosive gases, oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), sulfur dioxide (SO2) and nitrogen dioxide (NO2). A specific location is dedicated to the explo sensor (catalytic sensor) and the oxygen sensor (electrochemical sensor). A 4 gas unit will basically include oxygen and explo sensors.

The Ventis-MX4 features 3 different alarms. The first one is a powerful 95 dB at 30 cm audible alarm to alert in noisy environmets. A high visibility red LED visual alarm and an ultra- vibrating alarm are added to improve safety. Two alarm levels are configures: low and high alarms – which are basically calibrated under occupational safety at work data.

The Ventis-MX4 portable gas detector also features the same physical properties – dimension and weight – than a single-gas detector. It can be wore close to the breathing tracts thanks to its crocodile clip without disturbing the user. This multigas detector shock-resistant and waterproof thanks to its high visibility polycarbonate-made overmold.

As this device can detect explosive gases, it meets current EU ATEX standards (explosive atmosphere). A sampling pump – VSP for Ventis-MX4 – is available to draw remote samples (up to 30 meters) before interventions – e.g. in confined space.

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Portable multigas detector – VENTIS PRO5 – up to 5 gases

The Ventis Pro5 detector is equipped with new features such as a panic button to improve safety of workers evolving in hazardous areas.

Detection of the combustible gases, NH3, CO, CO/H2S, H2S, HCN, NO2, O2, SO2, CO2, HC.

Portable multigas detector – VENTIS PRO5 – up to 5 gases

The Ventis Pro5 detector is equipped with new features such as a panic button to improve safety of workers evolving in hazardous areas.

Detection of the combustible gases, NH3, CO, CO/H2S, H2S, HCN, NO2, O2, SO2, CO2, HC.

  • Dimensions: 104 x 58 x 36 mm – weight: 200 grams without pump
  • Audible (95 dB), LED visual (2 red and 2 blue) and vibrating alarms
  • Rechargeable lithium-ion battery with optional extended battery
  • Polycarbonate housing with waterproof rubber overmold (IP68)
  • Datalogging over 3 months with 10 seconds interval
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Emergency escape breathing device M20.2

The M20.2 is the world’s smallest emergency escape breathing device (or EEBD). Compact, lightweight and ergonomic, it can be easily belt-mounted.

  • emergency escape breathing device M20.2

Emergency escape breathing device M20.2

The M20.2 is the world’s smallest emergency escape breathing device (or EEBD). Compact, lightweight and ergonomic, it can be easily belt-mounted.

emergency escape breathing device M20.2
  • On use / stand-by duration : 15-20 minutes / 32 minutes
  • Donning time : less than 10 seconds.
  • Compact and lightweight: 18.3 x 16.5 x 7.9 cm – less than 1 kg.
  • Can be refurbished after use.
  • Compressed oxygen air supply.
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