Unused Tranter GmbH Horizontal Spiral Heat Exchanger, Total Surface Area 239.7 Square Meter (2580 Square Feet), Carbon Steel. Shell & coil each rated Full Vacuum/24.5 bar (355 psi) at -45 to 200 degrees C. (-49 to 392 F.). Volume shell 2.080 cubic meters (549 gallon), volume coil 1.800 cubic meters (475 gallon). Openings hot side (2) 6”, (2) 2”, cold side (2) 6”, (2) 2”. Mounted on (2) saddles. Unit is nitrogen purged. National Board# 229, serial# S-2858, CRN# W5665.2, built 2015. (Multiple available at additional price)