ROVATTI 4ES 24/15 – 5.5Hp (4kW) Submersible Borehole Pump
The ROVATTI 4ES 24/15 is a 4-inch electric submersible borehole pump delivering very high flow at high head. Ideal for agricultural irrigation, domestic water supply, and municipal applications.
🇮🇹 100% Designed, Manufactured & Assembled in Italy
"ROVATTI has been engineering and manufacturing submersible pumps in Italy since 1966 — not assembled elsewhere, not a copy. The real thing."
✅ Key Features
- 4" submersible borehole pump
- Power: 4kW (5.5Hp) | 50Hz
- Max Flow: 24 m³/h
- Max Head: ~150m
- MEI ≥ 0.40 energy efficiency certified
- Standards: ISO 9906, DNV certified
- Stainless steel construction
🔧 Pump Specifications
| Specification |
Details |
| Model |
4ES 24/15 |
| Power |
4kW (5.5Hp) |
| Frequency |
50Hz |
| Max Flow |
24 m³/h |
| Max Head |
~150 m |
| Pump diameter |
4" (100mm) |
| Stages |
15 |
| Outlet diameter |
1½" (40mm) BSP |
| Certification |
ISO 9906, MEI ≥ 0.40, DNV |
| Application |
Borehole, irrigation, water supply |
📏 Dimensions & Weight
| Specification |
Details |
| Overall length (pump + motor) |
~1,250 mm |
| Pump body diameter |
98 mm (fits 4" borehole) |
| Outlet connection |
1½" BSP (male) |
| Weight (pump + motor) |
~26 kg |
🧱 Pump Materials – Main Components
| Component |
Material |
| Pump body / outer casing |
AISI 304 Stainless Steel |
| Impeller |
Noryl (PPO) – glass-fibre reinforced |
| Diffuser / stage body |
Noryl (PPO) – glass-fibre reinforced |
| Pump shaft |
AISI 416 Stainless Steel |
| Bearing bushings |
Carbon / Ceramic |
| Mechanical seal |
Carbon / Ceramic / NBR |
| Motor casing |
AISI 304 Stainless Steel |
| Motor shaft |
AISI 416 Stainless Steel |
| Motor winding |
Copper – Class F insulation |
| Sand filter / strainer |
AISI 304 Stainless Steel |
⚡ Motor Specifications
| Specification |
Three-Phase 3×400V |
| Supply voltage |
3 × 400V AC (±10%) |
| Frequency |
50Hz |
| Rated power (P2) |
4kW (5.5Hp) |
| Rated current (A) |
~8.5A |
| Starting current |
~5 × In |
| Motor efficiency (η) |
~80% |
| Power factor (cos φ) |
~0.85 |
| Insulation class |
F (155°C) |
| Protection class |
IP68 |
| Motor type |
2-pole submersible induction |
| Motor cooling |
Water-cooled by pumped liquid |
| Max liquid temperature |
+35°C |
| Min flow for cooling |
0.15 m/s |
| Max sand content |
150 g/m³ |
| Cable length (standard) |
10m |
| Cable type |
H07RN-F submersible |