Supercharger Plate Heat Exchanger. Model: UX-216-HP-237. S/N: P27622H. Dwg. No: D64620. Number of stainless steel plates: 237. Heating surface area: 948.6 sq. ft. Plate pack dimensions: 31.00 in. (minimum), 33.36 in. (maximum). MAWP: 100 psi. Maximum temperature: 175 °F. Test pressure: 150 psig. Inlets/outlets: (2) 4 in. dia. inlets/outlets with 9 in. dia. flanges and (8) 3/4 in. dia. attachment holes at a center-to-center distance of 7-1/2 in., (2) 2 in. dia. inlets/outlets with 6 in. dia. flanges and (4) 3/4 in. dia. attachment holes at a center-to-center distance of 5-3/4 in. Overall dimensions: 82 in. L x 30 3/4 in. W x 62 in. H.