Goulds 1ST1E4D4 NPE 1 HP Stainless Steel Centrifugal Pump
The Goulds 1ST1E4D4 is a high-performance NPE Series close-coupled centrifugal pump engineered for demanding commercial and industrial fluid handling applications. Featuring a durable 316L stainless steel construction and a 1 HP TEFC motor, this pump delivers dependable performance, corrosion resistance, and long service life in a compact design. Its close-coupled configuration simplifies installation while reducing maintenance requirements.
Designed for water circulation, liquid transfer, filtration, and process applications, the 1ST1E4D4 combines efficient hydraulic performance with Goulds' proven engineering. The enclosed impeller design helps maintain operating efficiency over time, while the mechanical seal system provides reliable protection in challenging environments. This pump is well suited for facilities requiring consistent flow, dependable operation, and durable stainless steel construction.
Key Features
- 1 HP close-coupled centrifugal pump
- Heavy-duty TEFC (Totally Enclosed Fan Cooled) motor
- 115/230 Volt, single-phase, 60 Hz operation
- Premium 316L stainless steel wetted components
- Corrosion-resistant construction for demanding applications
- High-efficiency enclosed impeller design
- Carbon/Silicon Carbide/Viton mechanical seal
- Compact footprint for easier installation
- Continuous-duty motor design
- NPT threaded suction and discharge connections
Applications
- Water circulation systems
- Liquid transfer operations
- Reverse osmosis systems
- Filtration equipment
- Heat exchangers
- Chiller systems
- Washing and cleaning systems
- Injection molding cooling systems
- Booster service applications
- General industrial water handling
- OEM equipment integration
- Air scrubber systems
Specifications
- Manufacturer: Goulds Water Technology
- Model Number: 1ST1E4D4
- Series: NPE
- Pump Type: Close-Coupled End Suction Centrifugal Pump
- Horsepower: 1 HP
- Voltage: 115/230 VAC
- Frequency: 60 Hz
- Phase: Single Phase
- Motor Enclosure: TEFC (Totally Enclosed Fan Cooled)
- Speed: 3500 RPM
- Pump Size: 1 x 1-1/4 - 6
- Impeller Diameter: 4.75 in.
- Impeller Material: 316 Stainless Steel
- Casing Material: 316 Stainless Steel
- Adapter Material: 316 Stainless Steel
- Mechanical Seal: Carbon / Silicon Carbide / Viton
- Maximum Flow Rate: Up to 170 GPM
- Maximum Head: Up to 150 ft
- Maximum Working Pressure: 125 PSIG
- Maximum Fluid Temperature: 212°F standard seal, 250°F optional high-temperature seal
- Suction Port Size: 1-1/4 in. NPT
- Discharge Port Size: 1 in. NPT
FAQs
What type of pump is the Goulds 1ST1E4D4?
The 1ST1E4D4 is a close-coupled end suction centrifugal pump designed for commercial and industrial liquid handling applications.
What material is used in the pump's wetted components?
The pump utilizes 316L stainless steel wetted components for enhanced corrosion resistance and durability.
Is the motor suitable for continuous operation?
Yes. The TEFC motor is designed for continuous-duty service in demanding operating environments.
Can this pump be used in water treatment systems?
Yes. The pump is commonly used in filtration systems, reverse osmosis systems, water circulation systems, and other water treatment applications.
What seal materials are included in the standard configuration?
The pump utilizes a Carbon/Silicon Carbide/Viton mechanical seal arrangement for reliable performance and chemical resistance.
What are the electrical requirements?
The unit operates on 115/230 VAC, single-phase, 60 Hz power.
Is the pump designed for corrosive environments?
Its 316L stainless steel construction provides excellent resistance to corrosion in many commercial and industrial fluid handling applications.
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