Warren Diaphragm Pump. Model: SA2-A. Type: DF-3-SS. S/N: 179812. Pneumatically operated. Stainless steel construction. Pump capacity: 140 gpm. Displacement per stroke: 0.43 gallon. Maximum discharge pressure: 125 psi. Flap valve SA Series, this pump is especially recommended for slurries and liquids with suspended solids. Flap-valves allow passage of suspended line-size solids without damage. Pump inlet: 2 in. ‘S’ line fitting, outlet: 2 in. threaded (female). Overall dimensions: 22 in. L x 14 in. W x 20 in. H.