90 GPM High-Capacity Series

90 GPM Big-Flo 4" Submersible Pump Series The 90 GPM Stainless Steel Big-Flo 4" Submersible Pumps deliver efficient and dependable performance even in rough, aggressive water. Heads to 410 feet and capabilities to 120 GPM. Built to deliver long-term, trouble-free service. FDA compliant engineered composite and stainless steel components. Key Features  Heavy-Duty 300 grade Stainless Steel Discharge Provides Smooth Water Passage to Column Pipe. Large Wrench Flats and Rope Hole Built In.  Field-Proven, Sealed and Lubricated Top Bearing Assembly Keeps Abrasives Out, Ensuring Long Bearing Life  20% Glass-Reinforced Polycarbonate Impellers to Resist Abrasives and Provide Smooth Water Passage For Minimal Friction Loss  Stainless Steel Up-Thrust Bearing With Phenolic Washers At Each Stage Provide Excellent Wear Resistant Surfaces  Urethane Diffuser Bearings at Each Stage Provide Radial Protection and Stability and Excellent Resistance to Sand Damage  300 Grade Precision Cast Stainless Steel Motor Bracket Incorporates an Efficient Hydraulic Design for Maximum Volume and Access to Motor Mounting Nuts.  Corrosion Resistant Motor Shaft's Hex Shape Offers Generous Impeller Drive Surfaces  Sintered 300 Grade Stainless Steel Pressed On Motor Coupling for Maximum Corrosion Resistance  Heavy Gauge 300 Series Stainless Steel Pump Shell is Durable and Offers High Corrosion Resistance  300 Series Stainless Steel Intake Screen Offers Maximum Corrosion Resistance and Protects Against Damaging Solids Entering the Pump Warranty 12 months from date of original installation, or 18 months from date of manufacture