Application of Static Grounding System on Tank Trucks & Vacuum Trucks

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publisher: ALPTEC

Issue Time: Mar 24,2022

Summary

Loading and unloading tank trucks with flammable, explosive and combustible products is one of the most serious fire and explosion risks for field operations in the industry. The most dangerous situation in oil operations is the build-up of electrostatic charge on the surface of isolated tank trucks. A common cause of spark discharge in vehicle (tank/vacuum truck) accidents is the rate at which static charge is generated on system components exceeds the rate at which the charge is dissipated, causing static charge to build up in the vehicle or in certain parts of the transmission system (e.g. hoses) ).

Product Solution

The "Static Grounding Monitoring System" functions as a part of an Overfill Protection & Earthing System. These provide a visual green light indicating a confirmed grounding condition of road tanker vehicles during the transfer of flammable and combustible materials. A red light indicates the absence of dependable grounding. An interlock circuit inside the control panel will prevent pumps and equipment from starting until a satisfactory ground is established. The interlock circuit will also shut off pumps and equipment if the ground is lost during the pumping operation.

The ATEX approved "Static Grounding Reels" have a selfretracting cable drum and an instant locking mechanism to prevent the cable from becoming tangled.