102 Sq. Ft. Shell & Tube horizontal Heat Exchanger. CS Shell rated 150 PSI @ 320° F, SS Tubes rated 150/FV PSI @ 320° F. (104) Tubes ¾†OD x 5’ long. NB# 5277. Shell: 1 pass; Tubes: 1 pass. Shell Nozzles: (2) 3â€, Tube nozzles: (2) 4†Mfg by Perry Products, Model 12-102, S/N: B-5390-3