GOULDS WATER TECHNOLOGYImpellers for Straight Centrifugal Pumps

GOULDS WATER TECHNOLOGY Impeller: Mfr Part # 2K121

This GOULDS WATER TECHNOLOGY impeller, part number 2K121, is a closed-design impeller made of Sil-Brass for use with Goulds straight centrifugal pumps. It is compatible with the 3656 S series family and manufacturer…

SKU 3G-OTH-96912

Brand

GOULDS WATER TECHNOLOGY

Item

Impeller: Mfr Part # 2K121

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GOULDS WATER TECHNOLOGY

Manufacturer Part Number

2K121 

Impeller Design

Closed 

Impeller Material

Sil-Brass 

Compatible with Brand

Goulds 

Compatible with Pump Type

Straight Centrifugal Pumps 

Compatible with Series Family

3656 S 

Compatible with Manufacturer Model Number

3756 S 

Technical Documents

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GOULDS WATER TECHNOLOGY Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the GOULDS WATER TECHNOLOGY 2K121 impeller used for?

The GOULDS WATER TECHNOLOGY 2K121 impeller is used in Goulds straight centrifugal pumps, specifically the 3656 S series and model 3756 S. It transfers energy to the fluid, increasing flow and pressure in industrial water circulation, irrigation, and process pumping applications.

What are the specifications of the GOULDS WATER TECHNOLOGY 2K121 impeller?

The 2K121 impeller features a closed design and is made of Sil-Brass. It is compatible with Goulds straight centrifugal pumps, the 3656 S series family, and manufacturer model number 3756 S. It also matches part number 3BF1J9B0.

Where to buy the GOULDS WATER TECHNOLOGY 2K121 impeller worldwide?

3G Electric supplies the GOULDS WATER TECHNOLOGY 2K121 impeller worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this impeller for your Goulds straight centrifugal pump.

How to install the GOULDS WATER TECHNOLOGY 2K121 impeller?

To install the 2K121 impeller, first disconnect pump power and drain the casing. Remove the old impeller by loosening the shaft nut, then clean the shaft and keyway. Slide the new Sil-Brass closed impeller onto the shaft, secure with the nut, and reassemble the pump. Always follow the pump manufacturer's manual.

Used in

Common applications for GOULDS WATER TECHNOLOGY

Water treatment plants — Straight centrifugal pumps (e.g., 1BF11034) for transfer and filtration systems

Irrigation systems — Self-priming centrifugal pumps (e.g., 50SPM20) for handling air in suction lines

HVAC circulation — Straight centrifugal pumps (e.g., 3BF1H9D0) for chilled water or condenser loops

Industrial processing — Motors (e.g., C13A32F4BE2S) for replacement in pump-driven machinery

Dewatering operations — Self-priming pumps for removing water from pits or excavations

Pressure boosting — Straight centrifugal pumps (e.g., 1ST1E4C4) for boosting water pressure in commercial buildings

GOULDS WATER TECHNOLOGY Products

3G Electric supplies GOULDS WATER TECHNOLOGY impellers for straight centrifugal pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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