Description
GolPumps 3HP Encapsulated Resin-Filled Motor – High-Performance Submersible Well Pump
GolPumps’ 3HP encapsulated resin-filled motor is expertly engineered to deliver maximum durability, efficiency, and reliability for 4-inch and larger wells. Designed to meet stringent industry standards, this high-capacity submersible well pump offers superior water flow and energy efficiency, making it ideal for agriculture, irrigation, and deep-well applications. Every unit is 100% tested before shipment and comes with a control panel included for seamless operation.
Pump Specifications:
- Max Head: 250 ft
- Max Flow Rate: 79 GPM
- Discharge Size: 2″
- Horsepower: 3 HP
- Pump Material: Noryl
- Pump Model: ST 5509
Key Product Advantages:
âś” Hermetically sealed stator with anti-tracking resin prevents motor burnout
âś” High-efficiency design reduces operational costs and increases performance
âś” Premium copper wiring ensures long-lasting conductivity and durability
âś” Pressure equalizing diaphragm maintains steady operation under varying conditions
âś” Removable lead connector allows for easy installation and maintenance
âś” Compatible with single-phase control boxes for flexible power options
âś” Standard NEMA mounting dimensions ensure easy replacement and setup
Technical Specifications:
- Upper Bracket: Cataphoresis-treated cast iron with SS304 cover cap
- Max Immersion Depth: 985 ft
- Protection Rating: IP68 (fully submersible)
- Start Frequency: Up to 20 starts per hour at regular intervals
- Sealing: Sand slinger and lip seal for enhanced longevity
- Insulation Class: F
- Rated Ambient Temperature: 86°F
- Cooling Requirement: Minimum 0.08 m/s water flow speed
- Installation: Supports both vertical and horizontal positioning
Includes Wire Splice Kit for quick and easy setup.
Perfect for deep wells, agricultural irrigation, industrial water systems, and other high-demand pumping applications. Order now and experience the superior quality of GolPumps’ submersible well pump technology!
| Model | Pump | ST 55-9 |
| Motor | 4CF4556D | |
| Brand | Gol Pumps | |
| Manufacturer’s Warranty | 1 years Limited Warranty | |
| P2 | kW | 2.2 |
| HP | 3 | |
| Service Factor | 1.15 | |
| Material | Pump | Noryl |
| Motor | Noryl | |
| Voltage – Phase | 230V – Single Phase | |
| Wire | 3 | |
| In | A | 13.9 |
| Imax | A | 15.8 |
| Istart | A | 74 |
| PF (%) | Allowable Load | 0.97 |
| Overload Factor | 0.97 | |
| Efficiency (%) | Allowable Load | 70.6 |
| Overload Factor | 70.7 | |
| R.P.M | 3450 | |
| Thrust | N | 4000 |
| Capacitor | UF | No |
| Cable | AWG | 14 |
| Length (ft.) | 8.2 | |
| Production Country | Taiwan | |
Performance Curves
| Pump Model | Motor | Q Capacity 3500RPM | |||||||||||||||
| kW | HP | Gal/Min | 0 | 21.1 | 23.8 | 26.4 | 31.7 | 37 | 42.3 | 47.6 | 52.8 | 58 | 63.4 | 68.7 | 74 | 79.3 | |
| ST 55-9 | 2.2 | 3 | Head (ft.) | 249 | 220 | 217 | 210 | 203 | 194 | 184 | 171 | 154 | 138 | 115 | 91.9 | 62.3 | 36.1 |
Dimensions and Weights
| Outlet | Motor Dia. | Dimensions (inch) | Weight (lb) | |||||
| A | B | C | D | Pump | Motor | Pump + Motor | ||
| NPT 2″ | 4″ | 25.2″ | 2″ | 3.9″ | 43.8″ | 13.6 | 39.6 | 53.2 |
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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