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Asphalt applications tend to fall into four categories: Production
(refining), Distribution (terminals), Hot Mix (paving mixtures) and Roofing
(filled asphalts). Click on any of the pump series listed below for
more information. Refineries and Terminals often use steel pumps in the Universal
Seal series.
Hot Mix Asphalt Plants use mainly cast iron pumps in the Jacketed
General Purpose Asphalt
Pump series, with either packing or mechanical seals.
Roofing plants are generally pumping highly abrasive, filled asphalts
for shingle manufacturing. These require special hardened parts, slower
operating speeds and other means of minimizing wear. The Universal
Seal series with optional hard components are commonly used.
Miscellaneous - Other Viking Pump applications for asphalt include:
- Distributor Trucks to spread asphalt emulsions for seal
coating and chip sealing applications
- Pipe Lining, where liquid asphalt is used to line sewer pipe in-plant and
in-place
- Tar Kettles, or portable heat-and-spray units, for on-site roofing
build-up, foundation sealing and crack filling
- Asphaltic insulation in automotive and appliance manufacturing for sound
deadening
- Aluminum refining, for pumping pitch to mix with bauxite.
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