5HP Submersible Motor 79GPM Deep Well Water Pump – 230V – 3P – 4″ – 420ft Motor with Splice kit
1,638.00$
GolPumps’ encapsulated-resin filled motor is engineered for superior durability, efficiency, and high performance, meeting industry standards for 4-inch or larger wells. Built to withstand demanding submersible applications, this motor undergoes 100% quality testing before shipment to ensure long-term reliability.
Description
GolPumps 4” Encapsulated-Resin Filled Motor – High-Performance Submersible Well Pump (5 HP, ST 5515)
GolPumps’ encapsulated-resin filled motor is engineered for superior durability, efficiency, and high performance, meeting industry standards for 4-inch or larger wells. Built to withstand demanding submersible applications, this motor undergoes 100% quality testing before shipment to ensure long-term reliability.
Key Features & Benefits
Hermetically Sealed Stator – Anti-tracking, stator resin-filled design prevents motor burnout
High-Efficiency Performance – Reduces energy consumption and lowers operational costs
Premium Copper Wiring – Ensures optimal conductivity and long-lasting durability
Pressure Equalizing Diaphragm – Improves motor lifespan and performance consistency
Removable Lead Connector – Allows for easy installation and hassle-free maintenance
Thrust Pad – Provides enhanced stability and reliability
Compatible Control Boxes – Available for single-phase motors
Standard NEMA Mounting Dimensions – Ensures secure and simple 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 optimal contaminant protection
🔹 Insulation Class: F
🔹 Rated Ambient Temperature: 86°F (30°C) with a minimum cooling flow of 0.08 m/s
🔹 Installation Position: Vertical or Horizontal
Pump Specifications
Max Head: 420 ft
Max Flow Rate: 79 GPM
Discharge Size: 2″
Horsepower: 5 HP
Material: Durable Noryl Construction
Pump Model: ST 5515
Includes wire splice kit for easy installation
Upgrade your submersible well pump system with GolPumps’ high-efficiency, encapsulated motor, designed for maximum performance, energy savings, and reliable water flow.
Order Now for Fast Shipping & Dependable Performance!
| Model | Pump | ST 55-15 |
| Motor | 4CF6976 | |
| Brand | Gol Pumps | |
| Manufacturer’s Warranty | 1 years Limited Warranty | |
| P2 | kW | 3.7 |
| HP | 5 | |
| Service Factor | 1.15 | |
| Material | Pump | Noryl |
| Motor | Noryl | |
| Voltage – Phase | 230V – Three Phase | |
| Wire | – | |
| In | A | 15.7 |
| Imax | A | 17.3 |
| Istart | A | 88.4 |
| PF (%) | Allowable Load | 0.78 |
| Overload Factor | 0.81 | |
| Efficiency (%) | Allowable Load | 75.3 |
| Overload Factor | 74.9 | |
| R.P.M | 3450 | |
| Thrust | N | 6000 |
| 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 55-15 | 3.7 | 5 | Head (ft.) | 420 | 371 | 368 | 358 | 345 | 328 | 308 | 289 | 263 | 236 | 207 | 167 | 121 | 65.6 |
Dimensions and Weights
| Outlet | Motor Dia. | Dimensions (inch) | Weight (lb) | |||||
| A | B | C | D | Pump | Motor | Pump + Motor | ||
| NPT 2″ | 4″ | 37.5″ | 2″ | 3.9″ | 59.2″ | 19.8 | 48 | 67.8 |
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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