ROVATTI 4ES 8/36 – 5.5Hp (4kW) Submersible Borehole Pump
54,900.00 ฿
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ROVATTI 4ES 8/36 – 5.5Hp (4kW) Submersible Borehole Pump
54,900.00 ฿
ROVATTI 4ES 8/36 – 5.5Hp (4kW) Submersible Borehole Pump
The ROVATTI 4ES 8/36 is a 4-inch electric submersible borehole pump engineered for extreme head at medium flow. Ideal for very 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: 4kW (5.5Hp) | 50Hz
- Max Flow: 8 m³/h
- Max Head: ~360m
- MEI ≥ 0.40 energy efficiency certified
- Standards: ISO 9906, DNV certified
- Stainless steel construction
🔧 Pump Specifications
| Specification | Details |
|---|---|
| Model | 4ES 8/36 |
| Power | 4kW (5.5Hp) |
| Frequency | 50Hz |
| Max Flow | 8 m³/h |
| Max Head | ~360 m |
| Pump diameter | 4" (100mm) |
| Stages | 36 |
| 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) | ~1,700 mm |
| Pump body diameter | 98 mm (fits 4" borehole) |
| Outlet connection | 1¼" BSP (male) |
| Weight (pump + motor) | ~27 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 |