ESD - A potential hazard in dust and fume extraction

ESD - A potential hazard in dust and fume extraction

Purex systems are used in many applications where ESD can be a potential problem, for example in cleanrooms, laboratories, circuit board production, handling of sensitive components and reworking.

Many processes where dust and fume extraction is necessary take place in an environment where electrostatic discharge can cause problems.

The actual process of air passing through an extraction system can create a static charge. This charge can damage sensitive electronic components, resulting in expensive reject rates. In applications where powder or dust is mixed with the airflow, for example in the chemical handling and pharmaceutical industries, a build-up of static electricity can pose a potential explosion hazard.

To combat this, Purex International, in conjunction with customers and research establishments, have developed Purex ESD (Electro static discharge) safe air extraction and purification systems. A material comprising of 30% stainless steel fibres has been used in the patented knuckle joints and air flow valves to create earth continuity in the extraction arms.

Purex systems are used in many applications where ESD can be a potential problem, for example in cleanrooms, laboratories, circuit board production, handling of sensitive components and reworking.

For further information or a free site survey contact Purex International on 01709 763000 or visit www.purexltd.co.uk

Fume extraction arm