Asphalt and heavy oil are extremely viscous at ambient temperature and must be conveyed while heated, demanding sophisticated pump heating structures.
The HDN, HDE, and HDK series heating gear pumps use polished D-type sleeves, precision-cast heat-transfer housings, and electric heating rods respectively, allowing flexible selection based on available steam, hot water, or thermal oil, meeting clean heated conveying needs for asphalt and heavy oil across -10 to 300°C.
Heated asphalt conveying
HDE series precision-cast heat-transfer housing, combined with steam or thermal oil heating, enables clean and stable asphalt conveying.
Heavy oil / hot melt adhesive conveying
HDK series electric heating gear pumps are suitable for heavy oil and hot melt adhesive conveying without steam supply.
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