1998 FES Plate Heat Exchanger. Model: 12WP-C6-1, S/N: 33827.3. Hot side MAWP: 150 psig @ 185 °F, MDMT: -20 °F @ 150 psig, hydrotest pressure: 225 psig. Cold side MAWP: 250 psig @ 185 °F, MDMT: -20 °F @ 250 psig, hydrotest pressure: 375 psig. Maximum Frame capacity: 356 plate pairs. Plates: (560) 316 stainless steel. Heat transfer area: approx. 8000 sq. ft. 304 stainless steel heat shield. Inlets/outlets: (4) 12 in. Overall dimensions: 173 in. L x 80 in. W x 107 in. H. Previous operating conditions: Liquid Flow Rate Temp (deg F) Delta P (psig) 25% Ethylene Glycol 3,052,926 lb/hr 33 - 24.5 12.1 R-717 122,745 lb/hr 21.1 1.8