Description
GolPumps 2 HP Submersible Well Pump – High-Efficiency Encapsulated Motor (ST 0533)
GolPumps’ 2 HP submersible well pump is engineered for 4-inch and larger wells, offering exceptional durability, energy efficiency, and reliable performance. Designed for residential, agricultural, and commercial applications, this deep well pump ensures a consistent water supply with its hermetically sealed motor. Each unit undergoes 100% factory testing to guarantee quality and long-term operation.
Key Features & Benefits
- Hermetically Sealed Stator – Anti-tracking, resin-filled motor prevents burnout
- High-Efficiency Motor – Reduces energy consumption for cost savings
- Durable Copper Wiring – Ensures superior conductivity and longevity
- 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: 1000 ft
- Max Flow Rate: 7.5 GPM
- Discharge Size: 1 1/4″
- Horsepower: 2 HP
- Material: Durable Noryl Construction
- Pump Model: ST 0533
Includes wire splice kit for quick installation.
Reliable Deep Well Pump for Home & Commercial Use
Designed for deep well water supply and irrigation systems, this 2 HP submersible pump delivers steady water flow and energy-efficient operation.
Order now for fast shipping and guaranteed performance.
| Model | Pump | ST 5-33 |
| Motor | 4CF3546D | |
| Brand | Gol Pumps | |
| Manufacturer’s Warranty | 1 years Limited Warranty | |
| P2 | kW | 1.5 |
| HP | 2 | |
| Service Factor | 1.25 | |
| Material | Pump | Noryl |
| Motor | Noryl | |
| Voltage – Phase | 230V – Single Phase | |
| Wire | 3 | |
| In | A | 11.4 |
| Imax | A | 13.5 |
| Istart | A | 52.6 |
| PF (%) | Allowable Load | 0.86 |
| Overload Factor | 0.89 | |
| Efficiency (%) | Allowable Load | 66.2 |
| Overload Factor | 66.8 | |
| R.P.M | 3450 | |
| Thrust | N | 3000 |
| Capacitor | UF | No |
| Cable | AWG | 14 |
| Length (ft.) | 3.9 | |
| Production Country | Taiwan | |
Performance Curves
| Pump Model | Motor | Q Capacity 3500RPM | |||||||
| kW | HP | Gal/Min | 0 | 2.6 | 4 | 5.3 | 6.6 | 7.9 | |
| ST 5-33 | 1.5 | 2 | Head (ft.) | 1050 | 918.6 | 803.8 | 656.2 | 475.7 | 269 |
Dimensions and Weights
| Outlet | Motor Dia. | Dimensions (inch) | Weight (lb) | |||||
| A | B | C | D | Pump | Motor | Pump + Motor | ||
| NPT 1 1/4″ | 4″ | 32.3″ | 1 1/4″ | 3.9″ | 47.6″ | 18.3 | 31.9 | 50.2 |
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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