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Goulds’ 3656 S Series close-coupled, end-suction, centrifugal pumps have been designed for a variety of water supply, recirculation, and cooling applications. The motors come in open drip-proof or totally enclosed fan cooled, single or three phase, and in 1750 or 3500 RPM versions. This series features a cast iron or bronze fitted, enclosed impeller available in multiple diameters. These pumps are built with an NPT or ANSI flanged suction and discharge that comes in multiple sizes.  These pumps are available in a wide range of power outputs and voltages. The selected options determine the maximum head and flow. Features Back pull-out to reduce maintenance down time Standard Type 21 mechanical seal for both reliability and availability Carbon/ceramic/BUNA standard, with other faces and elastomers available Replaceable wearing components include stainless steel shaft sleeve and casing and hub wear rings to maintain peak efficiency Enclosed impeller design, dynamic balancing, and renewable wear rings reduce losses affecting performance and pump life Rigid cast iron motor adapter provides support and registered fits maintain positive unit alignment Applications Booster service Spraying systems Irrigation Water circulation Liquid transfer General purpose pumping GOULDS 3656 S SERIES CENTRIFUGAL PUMPS Model Comparison Chart Model Discharge (NPT) HP Voltage Phase RPM Impeller Material 3BF2C2A0H 1-1/2" 1/2 230/460 3 1725 Bronze 3BF2C2B0H 1-1/2" 1/2 230/460 3 1725 Bronze 3BF2C2C0 1-1/2" 1/2 230/460 3 1725 Bronze 3BF2C2D0 1-1/2" 1/2 230/460 3 1725 Bronze 3BF2D2B0 1-1/2" 3/4 230/460 3 1725 Bronze 3BF2D2A0 1-1/2" 3/4 230/460 3 1725 Bronze 3BF2C1B0H 1-1/2" 1/2 115/230 1 1725 Bronze 3BF2C1A0H 1-1/2" 1/2 115/230 1 1725 Bronze 3BF2C1C0 1-1/2" 1/2 115/230 1 1725 Bronze 3BF2C1D0 1-1/2" 1/2 115/230 1 1725 Bronze For a complete listing of models in the Goulds 3656 S series, please visit our 3656 S series product pages. PERFORMANCE CURVES DIMENSIONS MATERIALS OF CONSTRUCTION ENGINEERING DATA REPAIR PARTS BROCHURE Goulds 3656 S Series Centrifugal Pump Brochure INSTALLATION MANUAL Goulds 3656 S Series Centrifugal Pump Installation Manual POWER FRAME REPAIR PARTS Goulds 3656 S Series Centrifugal Pump Power Frame Repair Parts REPAIR PARTS Goulds 3656 S Series Centrifugal Pump Repair Parts Pump Products application engineers are standing by to help you find the right pump, as well as to provide price quotes, stocking availability and shipping information. Call our toll free number 1-800-429-0800 to speak to an expert today.