Used 1775 Sq Ft Texas Div-Transfer Inc. Plate Heat Exchanger. (339) Plates made of 304 Stainless Steel, Plate Pack Dim: Min 36.42" & Max 38.60"; Rated 300 psig @ 250 F. Model #UX-498-MP-219, Serial #P-35733-H, National Board #5373, Built 1986. Estimated Weight -- 8,705#. Previous Use: Ethylene Oxide.