APD 4FN 39-21 – 2Hp (1.5kW) - 4 inch Submersible Pump
Incl. VAT
🔵 100% Made in Italy
🔵 Genuine APD product
🔵 Noryl impellers and technopolymer diffusers
🔵 Sand-resistant design reducing clogging and improving reliability
📄 Download Official Technical Catalogue
Access the full APD FN-Series submersible pump catalogue for detailed specifications, models and technical data.
👉 Download Full Technical Catalogue (PDF)APD 4FN 39-21 – 2Hp (1.5kW) 4 inch Submersible Borehole Pump
The APD 4FN 39-21 is a high-head 4 inch submersible borehole pump delivering up to 4.2 m³/h flow rate and a maximum head of 123 metres. With 21 stages and a compact 98mm pump diameter, it is ideal for deep well water supply, high-head irrigation, and demanding pressure boosting applications. Fitted with the NS4MG rewindable motor and available in single-phase and three-phase configurations.
Technical Specifications
| Parameter | Value |
|---|---|
| Well Size | 4" (minimum) |
| Motor Power | 2Hp (1.5kW) |
| Stages | 21 |
| Max Flow Rate | 4.2 m³/h |
| Max Head | 123 m |
| Outlet | 1 1/4" |
| Pump Diameter | 98 mm |
| Diffuser / Impeller | Polycetal / Noryl |
| Country of Origin | Italy 🇮🇹 |
Motor Options
| Motor Type | AC Input | Max Amps | Weight | Price (THB) |
|---|---|---|---|---|
| Single-Phase | 1 × 230V | 10.9 A | 18.1 kgs | ฿14,400 |
| Three-Phase | 3 × 400V | 4.2 A | 16.7 kgs | ฿13,700 |
Key Features
- 4 inch submersible pump suitable for boreholes from 4" diameter
- Noryl impellers and Polycetal diffusers for corrosion resistance
- Stainless steel external components and motor shaft
- NS4MG 4" rewindable submersible motor
- Integrated non-return valve
- Suitable for deep well water supply and high-head applications
Design, Engineering & Assembly 100% in Italy 🇮🇹
Technical Information
📊 Pump Performance
🔧 Motor Specification – NS4MG
🔧 Parts & Exploded View