Goulds Single Stage

Residential, Commercial Cast Iron, Bronze Fitted Centrifugal Pumps G&L Series 3656/3756 S Group



Booster service

Spraying systems


Water circulation

Liquid transfer

General purpose pumping


Features and Benefits:

The 3656 and 3756 S-Group pumps from Goulds Water Technology have been designed with technical benefits to meet the needs of users in a variety of water supply, recirculation, and cooling applications.

The model 3656 offers close coupled design for space saving and simplified maintenance. The model 3756 offers a bearing frame mounted design for flexibility of installation and drive arrangements. 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. 3656/3756 available in all iron, bronze fitted or all bronze construction for application versatility. Replaceable wearing components include stainless steel shaft sleeve and casing and hub wear rings to maintain peak efficiency. Packed box sealing is also available as an option. Enclosed impeller design, dynamic balancing and renewable wear rings reduce losses affecting performance and pump life. Suction and discharge pipe connections are NPT threaded, except 3 x 4 7 which has 125 lb. ANSI flat faced flanges. Rigid cast iron motor adapter provides support and registered fits maintain positive unit alignment. Standard NEMA motor frame, JM or JP shaft extension, C-face mounting, single phase or three phase, 3500 or 1750 RPM. Open drip proof and totally enclosed fan cooled. Optional explosion proof or high efficiency motors available. Optional rigid carbon steel bedplate, sheet metal coupling guard and T. B. Woods spacer coupling for 3756 models:


Water circulation

Booster systems

Liquid transfer

HVAC pump replacements

General service pumping


Features and Benefits:

Superior Materials of Construction: AISI Type 316L stainless steel pump parts for reduced corrosion and improved strength and ductility.

Frame Mounted Design: Flexibility of installation and driver arrangements.

Back Pull-Out Design: Simplifies maintenance when used with spacer type coupling.

Cast Iron Power Frame: Rigidly supported, grease lubricated ball bearing assembly.

Mechanical Seal: Standard John Crane Type 21 mechanical seal.

Drive Motors: Standard NEMA design T-frame or JM motors in single or three phase.

Suction and Discharge Flanges: Mate with ANSI class 150 flanges.

Close-Coupled Design: Compact design saves space and simplifies maintenance.