We can coat the ID of an average size exchanger with 750 tubes, 20 feet long in a five to seven day period with a single crew working a single shift . |
Two layer systems are typically 4-6 mls in thickness. The three layered CurraLon polymer coating system is 6-8 mls in thickness. |
Over 70% of total heat transfer resistance for heat exchanger tubing is boundary layer fluid film and fouling. Removal of fouling and reduction of boundary layer drag enhances flow profile at the tube wall, increasing heat transfer. Subsequent flow rate improvements also directly increase heat transfer. Heat transfer resistance produced by the thin coating layer (6-8 mils dry film thickness) is well below the foul resistance of heat exchanger design (usually 0.001-0.002). This minimal effect is more than offset by the coating's anti fouling capabilities, since fouling quickly reduces heat transfer resistance. |