Seal Coat and Surface Treatment Manual: Asphalt Distributor- road intelligent asphalt distributor ignition ,Section 3: Asphalt Distributor Anchor: #i1007564 General. The asphalt distributor is the most complex piece of equipment used in seal coat construction work because it has many components, and all must be operating properly.Intelligent Asphalt Distributor DAZ60-A80G - Doan MachineryThe intelligent asphalt distributor can be used in the high graded asphalt road construction work for prime coat, waterproof coat and tack coat. It also the best choice for asphalt pavement construction under chip sealing.