Graco Inc. Husky Series Diaphragm Pump. Model: Husky 3275. Part no. DK3GGG. Flow rate for new pump is 275 gpm with required horsepower and pressure. Discuss with salesperson your process and product to determine if this pump should handle your specific duty. Geolast material: seats, balls, and diaphragm. 150º F. Inlets/outlets: (1) 3-1/4 in. port. (1) 3-1/4 in. FNPT. (1) 1 in. FNPT. (1) 1-1/4 in. FNPT. Overall dimensions: 2 ft. 8 in. L x 1 ft. 5 in. W x 2 ft. 4-1/2 in. H.