Goulds 2ST2D9A4 NPE Stainless Steel Close-Coupled Centrifugal Pump
The Goulds 2ST2D9A4 NPE Stainless Steel Centrifugal Pump is engineered for reliable performance in demanding industrial fluid handling applications. Built with rugged 316L stainless steel wetted components, this close-coupled end suction pump offers excellent corrosion resistance, long service life, and dependable hydraulic efficiency. Its 0.75 horsepower motor, operating at 1750 RPM with three-phase power, makes it ideal for continuous-duty pumping tasks where consistent performance is required.
Designed for water circulation, liquid transfer, booster service, filtration, cooling systems, and OEM installations, the Goulds 2ST2D9A4 combines compact installation flexibility with industrial-grade durability. Featuring a high-efficiency enclosed impeller, Viton mechanical seal, and 125 PSIG maximum working pressure, this pump is well suited for commercial, industrial, and process applications requiring corrosion-resistant fluid movement.
Manufactured in the USA, this Goulds NPE Series pump is a proven solution for operators seeking performance, reliability, and long-term operational value. Its close-coupled design simplifies maintenance while reducing installation footprint in tight equipment layouts.
Key Features
- 316L stainless steel liquid handling components
- Close-coupled end suction centrifugal design
- 0.75 HP TEFC/TEPE motor
- 1750 RPM, 3 Phase, 60 Hz
- 208-230/460V electrical compatibility
- High-efficiency enclosed impeller
- Carbon/Silicon Carbide/Viton mechanical seal
- 125 PSIG maximum working pressure
- Horizontal or vertical mounting flexibility
- Corrosion-resistant construction for demanding fluids
Applications
- Water circulation systems
- Booster service
- Industrial liquid transfer
- Spray systems
- Chiller systems
- Washing and cleaning systems
- Reverse osmosis systems
- Heat exchangers
- Filtration systems
- Injection molding cooling
- Jockey pump service
- OEM equipment integration
Specifications
- Manufacturer: Goulds
- Model: 2ST2D9A4
- Pump Series: NPE
- Pump Type: Close-Coupled End Suction Centrifugal Pump
- Port Size: 1-1/2" Suction x 1-1/4" Discharge
- Horsepower: 0.75 HP
- Speed: 1750 RPM
- Phase: 3 Phase
- Voltage: 208-230/460V
- Frequency: 60 Hz
- Impeller Diameter: 6.125 inches
- Maximum Flow: Up to 85 GPM
- Maximum Head: Up to 39 Feet
- Maximum Pressure: 125 PSIG
- Seal Material: Carbon / Silicon Carbide / Viton
- Construction: 316L Stainless Steel
FAQ
What makes the Goulds 2ST2D9A4 suitable for corrosive applications?
Its 316L stainless steel construction and Viton seal components provide strong resistance against corrosion and chemical exposure.
Can this pump be installed vertically?
Yes. The close-coupled design allows for both horizontal and vertical mounting.
Is this pump suitable for continuous duty operation?
Yes. It is designed with a NEMA industrial-duty motor for continuous service.
Does this pump handle booster and circulation applications?
Yes. It is commonly used in booster, circulation, filtration, and transfer systems.
Is the mechanical seal replaceable?
Yes. The mechanical seal can be serviced or replaced during maintenance intervals.
What fluids is this pump designed to handle?
Typically water and compatible non-abrasive fluids, including many process liquids compatible with stainless steel and Viton.
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