Tri Clover C-Series Sanitary Centrifugal Pump. Model: C216TD18T-S. S/N: W0447. Nominal Capacity: 280 gpm @ 3500 rpm or 140 gpm @ 1750 rpm. Impeller diameter: 6 in. The C-series pump is the original, all-purpose, sanitary process centrifugal pump. Its practical design and flexibility have provided processors with strong performances in thousands of applications. A great value, the C-series pump maintains an integral Clean-In-Place design as standard. Inlet: (1) 2 in. dia. ACME fittings. Outlet: (1) 1 ½ in. dia. ACME fittings. Overall dimensions: 1 ft. 10 in. L x 10 ½ in. W x 10 ½ in. H. (ACN27a)