Penfield Liquid Treatment System Tank. Model: MA60096-S. M & M Welding and Fabrication Company vessel, National Board: 525. Shell side MAWP: 100 psi. at 400 °F. Centrifugal pump and Baldor motor. (5) ITT Grinnell air motors, Models: 3212, 3312, 3225, S/N's: 347012, 347013, 003009, 342139, 347010, maximum pressure: 85 psi. (9) ITT Grinnell diaphragm valves. Penfield control panel. Inlet: (1) 2 in. dia. flanged port. Outlet: (1) 2 ½ in. dia. port, (1) 1 in. MNPT. Overall dimensions: 7 ft. 4 in. L x 6 ft. 8 in. W x 11 ft. 2 in. H. RTD.