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| (4) Heat Exchanger, 7.85 square foot of surface area, manufactured by Astro Metallurgical (Wooster, OH), tantulum tube construction, carbon steel shell, u-tube configuration, (1) 1/2" diameter x 180-1/4" loop each way, shell rated at 75 PSI @ 600ºF, tube rated for 75 psi @ 350ºF, 1" in/out on shell side, 1/2" in/out on tube side. Serial #57959-1, new 1996. (1) unit unused (s/n in main description),non-insulated. (3)used units are insulated. (1) unused spare u-tube available. Stock No. S731153. |