Air Systems is introducing a second industrial style saddle vent and elbow manufactured from conductive polyethylene material. The recent development of this conductive material provides for a level of safety during confined space ventilation that has not been available to industry. During confined space ventilation, static electricity can build up on the surface of the ventilation ducting and the standard orange polyethylene saddle vent. Given the right conditions of humidity, airborne dust, and static build up, the static electricity can discharge and cause a spark. If this occurs while working in an explosive or potentially explosive environment, a major accident could result. The only safe way to prevent this source of ignition during ventilation is to remove the static electricity through proper grounding of the entire ventilation system. Standard PVC ducting and polyethylene can retain static electricity and should not be used if there is a potential for the existence of explosive gases in the confined space. Air Systems can now offer its Conductive saddle vent System to improve the safety of workers during confined space ventilation. The new black saddle vent and companion 90-degree elbow is manufactured with conductive polyethylene material. Grounding lugs are mounted on each device. They are used to connect the steel grounding wires provided with our conductive ducting to the conductive saddle vent and elbow. This makes a complete electrical circuit all the way back to the explosion-proof blower where the final grounding lug is located. The electric blower must be connected to a grounded electrical source and thus completes the full electrical circuit. This circuit provides a path for static electricity to travel to a grounded source thus preventing a build up on the surface of the ducting or saddle vent.
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