Discharge Flange 10” 125 LB. ANSI. Capacity (max @ 1500 RPM) 4280 GPM. Head (max @ 1500 RPM) 99 ft. Curve Brochure Specs | Discharge Flange 125 lb ANSI, 12 Inch. Capacity (max @ 1500 RPM) 5230 GPM. Head (max @ 1500 RPM) 110 ft. Curve Brochure Specs | Discharge Flange 20 inch ANSI, 125 lb. Capacity (max @ 810 RPM) 19800 USGPM. Head (max @ 810 RPM) 72 ft. Curve Brochure Specs |