The Process exhaust air is sucked at a pressure of 700m barg at the process temperature using an insulated heated sampling probe. The gas sample passes through this tube which has a high enough temperature maintained to keep the sample air above its dewpoint temperature and avoid any condensation to ensure accurate measurement. The sampling tube is ATEX certified for zones 1/2 & 21/22..
The quick closing valve is part of an active explosion isolation system. In the event of ignition, it is activated by solenoid valves. Air flows out of a compressed air reservoir into the drive cylinder, closing the slide valve within milliseconds. Both the flames and the spread of pressure are effectively stopped. After having been triggered, the slide valve can be reactivated without needing a repair, and because of its non-destructive operation it can be validated at any time.
The ATEX Explo-Guard High Rate Discharge (HRD) Dry Chemical Suppressor Sub-System is the next generation of revolutionary reliable and cost effective chemical suppressionsuppressors. The engineers at ATEX were given two basic principals by which to design the suppressor. First it needed to be reliable and second it must be cost effective. An analysis of existing products found them to be either reliable or cost effective but not both. They knew the valve had to be totally different than the existing designs. Finally they produced the ATEX Explo-Guard HRD Suppressor. A simple mechanical valve with redundant firing, requiring minimal part replacement after activation and major advances in cost control for initial and operational costs. The final benefit is that it is retrofitable to old style detonator, single release systems with high recondition costs. Plus it can replace Halon 1011 or Halon 1301 systems and use the existing HRD saving major retrofit costs.
In the past all CO systems were developed to compensate for environmental CO changes. Nowadays it proves that this is not working for a wide range of applications. The new generation of CO monitoring is now able to compensate also for CO peaks generated by external CO sources caused by for example industrial activities, coffee roasters or burning agricultural waste. The requirements are that all CO fluctuations measured on the reference are at the same time also measured on the exhaust and taking the behaviour of the dryer itself into account.
The Q-Pipe (now also available as a Q-Box) Flameless Vent System was developed in response to a specific need, i.e. explosion venting inside buildings. Traditional explosion venting technologies require a safe venting area (usually outdoors), where there is no risk of secondary explosions or harm to personnel. Explosion vented plant has to be ducted out to a designated (external) safe area (usually within 3 to 6 metres). The only alternative was to strengthen vessels to withstand greater explosion pressures and/or to install relatively expensive explosion suppression systems.
To meet the need ATEX developed its clean out technology in a passive oriented system. A valve that could meet the product flow requirements of today’s processes. The system would by Patent Pending Design clean out the isolation seal eliminating consideration of powder being compressed by the closure and allowing flame to pass.
Explosion diverters provide a cost effective means of mitigating the propagation of an explosion through ductwork. The relief vents are fitted into connecting pipes to separate subsequent apparatus in the event of a hazard. If an explosion happens in the equipment, the flat closes immediately, and disconnects the area con-cerned from the other apparatus. Transmission of the explosive pressure is interrupted, and the propa-gation of sparks therefore largely avoided. With the pressure relief vent you therefore protect your pipelines effectively from explosion transfer.