Vansan VSP 403-21 – 1.5KW Submersible Pump
5304
The 4” VSP pump is carefully designed and manufacture for resistant against sand and other impurities providing a long life and trouble free operations. The floating impeller design ensures an excellent resistance to wear and tear against sand and other impurities. The Non-Return Valve is integrated in the head to support the weight of the water column and to protect against water hammer, thus safeguarding impellers and diffusers.
Operating Limits
At a glance
Power: 1.5 kWMax. head: 142 mMax. flow: 4.2 m³/hConnections: 1.25" threadedBest for: Residential potable water supply from deep wells., Municipal and industrial waters supply., Irrigation and other agricultural applications.Specifications
| Brand | Vansan |
| Item code | VSP 403-21 |
| Model | VSP 403-21 (catalogue VSP SN 403/21) |
| Type | 4" stainless steel submersible borehole pump end (motor sold separately) |
| Nominal flow | 3 m³/h |
| Stages | 21 |
| Motor | 1.5 kW, 4" (NEMA) |
| Outlet | 1.25" threaded |
| Speed | 2 900 rpm, 50 Hz |
| Flow range | 2.1 - 4.2 m³/h (0 - 4.2 m³/h curve) |
| Head range | 142 m (shut-off) - 49 m |
| Pump end length | 519 mm |
| Pump end weight | 5 kg |
| Pump diameter | 4" (95 mm) - for 100 mm boreholes and larger |
| Motor coupling | NEMA 4" |
| Packed size (L x W x H) | 76 x 12 x 12 cm (approx.) |
| Shipping weight | 7.2 kg (approx.) |
| Materials | Stainless steel AISI 304 shaft, coupling, strainer, wear box and valve cap; Noryl impellers and diffusers |
| Dimensions (W × L × H) | 12 × 76 × 12 cm |
| Motor power | 1.5 kW |
Performance Table
| Flow (m³/h) | 0 | 2.1 | 2.4 | 2.7 | 3 | 3.6 | 4.2 |
|---|---|---|---|---|---|---|---|
| Head (m) | 142 | 122 | 115 | 108 | 100 | 79 | 49 |
Vansan VSP SN 403/21 catalogue performance table (50 Hz, 2 900 rpm, water at 15 °C). Download the full curve sheet below.
Performance Curves and Technical Data (PDF)
Download the curve sheet with the performance curves, dimensions and technical data for the Vansan VSP 403-21:
Vansan 0403 Technical Data & Hydraulic Performance Curve
474 kB | Download
Applications
- Residential potable water supply from deep wells.
- Municipal and industrial waters supply.
- Irrigation and other agricultural applications.
- Fire fighting systems.
- Pressure boosting in high-rise buildings and other applications.
Features
- Capacity up to 25m³/h
- Rated motor power output up to 7.5KW
- Maximum water temperature from 0°C to 35°C
- Maximum Overall diameter of the pump inclusive of cable guard is 97.5mm
- Maximum permissible quantity of suspended sand of 150g/m³
- Radial and mixed flow impeller
- Delivery port -1.25”, 1.5”, 2”
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 Vansan VSP 403-21?
The Vansan VSP 403-21 has a maximum head of 142 m.
How much water can the Vansan VSP 403-21 pump?
The Vansan VSP 403-21 pumps up to 4.2 m³/h.
What is the motor power of the Vansan VSP 403-21?
The motor power is 1.5 kW.
What are the pipe connections of the Vansan VSP 403-21?
1.25" threaded.