Get current pricing for She, 400 Sq. Ft. SHE Shel 400 Sq. Ft. Horizontal 316l-ss Shell And Tube Heat Exchanger. 316l-ss Shell Side Rated 75 Psi @ 500 Deg F, 316l-ss Tube Side Rated 75 Psi/fv @ 50 . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: