Plant & Works Engineering
Upgraded adsorption dryers
Published:  23 April, 2020

Atacama-CT Plus adsorption dryers from HI-LINE INDUSTRIES, a leading UK supplier to the compressed air sector, now feature upgraded diaphragm valves that are helping these point-of-use units prove even more reliable for Class ‘0’ breathing air applications in the medical and hospital sectors. Hi-line Industries says it will remain open throughout the COVID-19 pandemic to help serve the medical and healthcare industry, as well as those involved in food production. The company’s service and main reception numbers, as well as the mobile numbers of key staff, remain available to support customers.

Based on a heavier duty specification, the new valves in the Atacama-CT Plus range now feature a tougher diaphragm that is resistant to both oil and aggressive condensate. This robust engineering is matched by other sturdy features on the valves, such as 100% rated anti-vibrating coils, special locating lugs and a machined pilot hole in place of an O-ring.

The Atacama-CT Plus series offers corrected flow rates from 0.2 to 2.83 m3/min. Importantly, this three-stage unit features a CT (Carbon Tower) located after the adsorption dryer. Clean, dry air passes through the third CT stage and adsorbs gases and aerosols depending on requirements and which zeolites are selected. To attain Class ‘0’ for medical and food production applications the air needs to be oil-free, which can be achieved thanks to the use of high-quality carbon. Even working with a fully oil lubricated screw, vane or piston compressor, the Atacama-CT Plus will achieve better than ISO8573-1:2010 Class 1, giving a total oil concentration of less than 0.003 mg/m³, which is significantly less than that found in normal atmospheric air at home or in the workplace.

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