Description
GolPumps 4” Encapsulated-Resin Filled Motor – High-Performance Submersible Well Pump (5 HP, SP 4015)
GolPumps’ encapsulated-resin filled motor is designed for maximum efficiency, durability, and performance, making it ideal for 4-inch or larger wells. Engineered to meet industry standards, this motor undergoes 100% quality testing before shipment, ensuring long-lasting reliability in submersible applications.
Key Features & Benefits
Hermetically Sealed Stator – Anti-tracking, stator resin-filled design prevents motor burnout
High-Efficiency Operation – Reduces energy consumption and 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 maintenance
Thrust Pad – Provides stability and enhanced 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
🔹 Protection Rating: IP68 (Fully waterproof and submersible)
🔹 Max Starts per Hour: 20 (at regular intervals)
🔹 Sealing System: Sand slinger and lip seal for enhanced contaminant protection
🔹 Insulation Class: F
🔹 Rated Ambient Temperature: 86°C with a minimum cooling flow of 0.08 m/s
🔹 Installation Position: Vertical or Horizontal
Pump Specifications
Max Head: 410 ft
Max Flow Rate: 53 GPM
Discharge Size: 2″
Horsepower: 5 HP
Material: Durable Stainless Steel 304
Pump Model: SP 4015
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 & Trusted Performance!
| Model | Pump | SP 40-15 |
| Motor | 4CS6976 | |
| Brand | Gol Pumps | |
| Manufacturer’s Warranty | 1 years Limited Warranty | |
| P2 | kW | 3.7 |
| HP | 5 | |
| Service Factor | 1.15 | |
| Material | Pump | Stainless Steel 304 |
| Motor | Stainless Steel 304 | |
| 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 | – |
| 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 | |
| SP 40-15 | 3.7 | 5 | Head (ft.) | 410.1 | 357.6 | 351.1 | 344.5 | 331.4 | 318.2 | 298.6 | 265.7 | 223.1 |
Dimensions and Weights
| Outlet | Motor Dia. | Dimensions (inch) | Weight (lb) | ||||
| A | B | C | Pump | Motor | Pump + Motor | ||
| NPT 2″ | 4″ | 32.8″ | 54.5″ | 3.9″ | 20.5 | 48 | 68.5 |
Part List and Materials
| No. | Part Name | Materials |
| 01 | Discharge | AISI 304 |
| 12 | Diffuser | AISI 304 |
| 18 | Impeller | AISI 304 |
| 21 | Split Cone | AISI 304 |
| 22 | Split Cone Nut | AISI 304 |
| 24 | Stop Ring | Carbon + Graphite + PTFE |
| 32 | Neck Ring Retainer | AISI 304 |
| 34 | Strainer | AISI 304 |
| 36 | Suction Interconnector | AISI 304 |
| 37 | Coupling | AISI 304 |
| 40 | Pump Shaft | AISI 304 |
| 47 | Strap | AISI 304 |
| 52 | Cable Guard | AISI 304 |
| 87 | Neck Ring | AISI 304 + HNBR |
| 88 | Nut | AISI 304 |
| 89 | Bearing | HNBR |
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