ROVATTI 4ES 6/18 – 2Hp (1.5kW) Submersible Borehole Pump
The ROVATTI 4ES 6/18 is a 4-inch electric submersible borehole pump designed for high head at moderate flow. Ideal for deep borehole water supply, irrigation, 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: 1.5kW (2Hp) | 50Hz
- Max Flow: 6 m³/h
- Max Head: ~180m
- MEI ≥ 0.40 energy efficiency certified
- Standards: ISO 9906, DNV certified
- Stainless steel construction
🔧 Pump Specifications
| Specification |
Details |
| Model |
4ES 6/18 |
| Power |
1.5kW (2Hp) |
| Frequency |
50Hz |
| Max Flow |
6 m³/h |
| Max Head |
~180 m |
| Pump diameter |
4" (100mm) |
| Stages |
18 |
| Outlet diameter |
1¼" (32mm) BSP |
| Certification |
ISO 9906, MEI ≥ 0.40, DNV |
| Application |
Borehole, irrigation, water supply |
📏 Dimensions & Weight
| Specification |
Details |
| Overall length (pump + motor) |
~1,150 mm |
| Pump body diameter |
98 mm (fits 4" borehole) |
| Outlet connection |
1¼" BSP (male) |
| Weight (pump + motor) |
~16 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 |
Single-Phase 1×230V |
Three-Phase 3×400V |
| Supply voltage |
1 × 230V AC (±10%) |
3 × 400V AC (±10%) |
| Frequency |
50Hz |
50Hz |
| Rated power (P2) |
1.5kW (2Hp) |
1.5kW (2Hp) |
| Rated current (A) |
~9.5A |
~3.5A |
| Starting current |
~5 × In |
~5 × In |
| Motor efficiency (η) |
~72% |
~75% |
| Power factor (cos φ) |
~0.95 |
~0.82 |
| Insulation class |
F (155°C) |
F (155°C) |
| Protection class |
IP68 |
IP68 |
| Motor type |
2-pole submersible induction |
2-pole submersible induction |
| Motor cooling |
Water-cooled by pumped liquid |
Water-cooled by pumped liquid |
| Max liquid temperature |
+35°C |
+35°C |
| Min flow for cooling |
0.15 m/s |
0.15 m/s |
| Max sand content |
150 g/m³ |
150 g/m³ |
| Cable length (standard) |
10m |
10m |
| Cable type |
H07RN-F submersible |
H07RN-F submersible |