* Heat exchange rs with marine wa terboxes have heavier dry an d operating we ights than heat exchangers
with nozzle-in-head wat erboxes.
Table 14 — Marine Waterbox Cover Weights*
Heat Exchanger Size
Design Maximum
Water Pressure Cooler Condenser
psi kPa lb kg lb kg
41 – 48 150 1034 2236 1015 1275 579
300 2068 3060 1389 1660 754
51 – 57 150 1034 – – 1643 746
300 2068 – – 2243 1018