Pasilac Therm Plate Heat Exchanger. 316 Stainless steel. Model: M92. Nominal heat transfer capacity: 1.8 MBtu/h. Heat transfer surface area: 3,010 sq. ft. Working pressure: 142 psi. Test pressure: 184 psi. Maximum differential pressure: 184 psi. Maximum working temperature: 248 °F. Number of plates: 310. (1) Divider. Inlets: (1) 8 in. dia. inlet. (2) 8 in. dia. outlets. Overall dimensions: 89 in. L x 34 in. W x 75 in. H.