Description
GolPumps 1 HP Submersible Well Pump – High-Efficiency Encapsulated Motor (ST 0520)
GolPumps’ 1 HP submersible well pump is engineered for 4-inch and larger wells, delivering high performance, durability, and energy efficiency. Designed for residential, agricultural, and commercial water systems, this pump ensures reliable deep well water supply with a hermetically sealed motor for enhanced longevity. 100% factory-tested before shipment, this pump is built to withstand demanding conditions.
Key Features & Benefits
- Hermetically Sealed Stator – Anti-tracking, resin-filled motor prevents burnout
- High-Efficiency Motor – Reduces power consumption, saving on energy costs
- Durable Copper Wiring – Ensures maximum conductivity and long-lasting performance
- Pressure Equalizing Diaphragm – Maintains consistent performance and extends motor lifespan
- Removable Lead Connector – Allows for easy installation and maintenance
- Thrust Pad Technology – Enhances stability and operational reliability
- Compatible Control Boxes – Available for single-phase motors
- Standard NEMA Mounting – Ensures easy and secure installation
Technical Specifications
- Upper Bracket: Cataphoresis-treated cast iron with SS304 stainless steel cover cap
- Max Immersion Depth: 985 ft
- Protection Rating: IP68 (Fully waterproof and submersible)
- Max Starts per Hour: 20 (at regular intervals)
- Sealing System: Sand slinger and lip seal for enhanced debris protection
- Insulation Class: F
- Rated Ambient Temperature: 86°F (with a minimum cooling flow of 0.08 m/s)
- Installation Position: Vertical or horizontal
Pump Specifications
- Max Head: 660 ft
- Max Flow Rate: 7.5 GPM
- Discharge Size: 1 1/4″
- Horsepower: 1 HP
- Material: Durable Noryl Construction
- Pump Model: ST 0520
Includes wire splice kit for quick installation.
Reliable Deep Well Pump for Home & Commercial Use
Ideal for deep well water supply, irrigation systems, and high-efficiency pumping needs, this 1 HP submersible well pump delivers consistent water flow and long-lasting performance.
Order now for fast shipping and guaranteed performance.
| Pump Model | Motor | Q Capacity 3500RPM | |||||||
| kW | HP | Gal/Min | 0 | 2.6 | 4 | 5.3 | 6.6 | 7.9 | |
| ST 5-20 | 0.75 | 1 | Head (ft.) | 633.2 | 554.5 | 485.6 | 393.7 | 288.7 | 173.9 |
Dimensions and Weights
| Outlet | Motor Dia. | Dimensions (inch) | Weight (lb) | |||||
| A | B | C | D | Pump | Motor | Pump + Motor | ||
| NPT 1 1/4″ | 4″ | 19.6″ | 1 1/4″ | 3.9″ | 34.5″ | 10.8 | 25.3 | 36.1 |
Part List and Materials
| No. | Part Name | Materials |
| 1 | Discharge Head | AISI 304 |
| 4 | Check Valve Cone | AISI 304 |
| 6 | Check Valve Retaining Ring | AISI 304 |
| 8 | Bearing Spider | Glass Filled Polycarbonate |
| 12 | Diffuser | Glass Filled Polycarbonate |
| 13 | Bowl | AISI 304 |
| 18 | Impeller | Noryl |
| 34 | Strainer | AISI 304 |
| 40 | Pump Shaft / Coupling | AISI 304 |
| 42 | Shaft Sleeve | AISI 304 or Norly |
| 48 | Pump Casing | AISI 304 |
| 52 | Cable Guard | AISI 304 |
| 86 | O-Ring | NBR |
| 92 | Bearing | Polyacetal |
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