John Tech 4SD2/50 – 3kW 4” Submersible Borehole Pump
16252
John Tech 4SD2/50 – 3kW 4" Submersible Borehole Pump
John Tech 4SD 4" submersible borehole pump ends are stainless steel multistage pumps for 100 mm (4") boreholes. The number after the slash is the stage count - more stages give more head at the same flow. The pump end couples to a NEMA-standard 4" motor (sold separately).
At a glance
Power: 3 kWMax. head: 364 mMax. flow: 3.3 m³/hConnections: 32mmBest for: Domestic and farm boreholes, Water supply and irrigationSpecifications
| Brand | John Tech |
| Item code | 4SD2/50 |
| Model | 4SD2/50 |
| Nominal flow | 2 m³/h |
| Stages | 50 |
| Motor power | 3 kW |
| Horsepower | 4 HP |
| Outlet | 32mm |
| Packed size (L x W x H) | 140 x 12 x 12 cm |
| Shipping weight | 13 kg (approx.) |
| Pump size | 4" (for 100 mm boreholes and larger) |
| Motor coupling | NEMA 4" |
| Dimensions (W × L × H) | 12 × 140 × 12 cm |
Performance Table
| Flow Q (m³/h) | 0 | 0.3 | 0.6 | 0.9 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 | 2.7 | 3 | 3.3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Head H (m) | 364 | 360 | 353 | 345 | 335 | 323 | 306 | 284 | 256 | 225 | 188 | 150 |
Head at each flow rate from the manufacturer's technical data. For a duty-point check use the Get a Quote wizard below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the John Tech 4SD2/50:
Vega 4SD2 Series Performance Curves
440 kB | Download
Vega 4SD Series Technical Data
697 kB | Download
Applications
- Domestic and farm boreholes
- Water supply and irrigation
Features
- Model code: 4SD6/20 = nominal flow 6 m³/h, 20 stages
Need help choosing or want a price?
Our pump team will check the right size for your flow and head and give you a quote.
WhatsApp us: 082 516 2248 Get a Quote / Size my pump info@pumps.co.za
Frequently Asked Questions
What is the maximum head of the John Tech 4SD2/50?
The John Tech 4SD2/50 has a maximum head of 364 m.
How much water can the John Tech 4SD2/50 pump?
The John Tech 4SD2/50 pumps up to 3.3 m³/h.
What is the motor power of the John Tech 4SD2/50?
The motor power is 3 kW.
What are the pipe connections of the John Tech 4SD2/50?
32mm.
