CAT Pumps 291 with 3 frame piston pump

• Make: CAT Pumps
• Model code: 291
• Max. Operating Pressure (psi): > 400

Features: Triplex UNIFLOW design Hard chrome-plated 304S cylinders and sleeves Optional 316 stainless steel manifolds Optional FPM and PTFE elastomers Specifications: Flow: 3.5 gpm Pressure range: 100 to 1200 psi RPM: 1200 rpm Stroke: 0.472” Weight: 12.1 lbs Inlet pressure range: –8.5 to 40 psi Bore: 0.787” (20 mm) Crankcase capacity: 10 oz Maximum liquid temperature: 160°F Inlet port (1): 1/2” NPTF Chemical injection port (1): 1/4” NPTF Discharge ports (2): 3/8” NPTF Discharge port (1): 1/2” NPTF Pulley mounting: Either side Shaft diameters: 0.650”