Pedrollo 4BLOCK Submersible Borehole Pump – 4" Close-Coupled Stainless Steel Pump with Floating Impellers | Domestic, Agricultural & Irrigation Use
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The Pedrollo 4BLOCK series is a premium line of 4-inch submersible borehole pumps, engineered for drawing clean water from wells up to 100 meters deep, including those with sand content up to 200g/m³4-BLOCK_EN-datasheet_50….
With models ranging from 0.5 HP to 1.5 HP, flow rates up to 200 L/min, and heads up to 140 meters, the 4BLOCK series is ideal for domestic water supply, farm irrigation, tank filling, and commercial borehole systems.
These pumps are ready-to-install, made entirely from AISI 304 stainless steel, and come with a 20-meter power cable, making them a favorite among installers for performance, longevity, and easy deployment.
⚙️ Key Features & Benefits
✅ Integrated Capacitor & Thermal Protection
No need for external control boxes. Safe, self-protected operation in single-phase 230V power setups.
✅ Floating Impeller Design (Patented)
Independent impellers minimize wear and performance drop caused by sand — excellent for boreholes with sediment4-BLOCK_EN-datasheet_50….
✅ Stainless Steel Build – AISI 304 & 431
Corrosion-resistant casing, impeller housing, and shaft for extended life in submerged conditions4-BLOCK_EN-datasheet_50….
✅ Ready-to-Install
Comes with built-in capacitor, thermal protector, and a 20-meter drinking water-safe DRINCABLE® cord.
✅ High Efficiency
Hydraulics exceed EU ErP minimum efficiency index (MEI ≥ 0.40) — saves energy and reduces runtime4-BLOCK_EN-datasheet_50….
✅ Horizontal or Vertical Installation
Can be installed in deep wells or tanks in various orientations.
✅ Self-Cooling Motor (Oil-Filled)
Built for continuous duty with Class F insulation and IPX8 waterproof rating4-BLOCK_EN-datasheet_50….
? Applications – Ideal For:
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✅ Domestic Boreholes & Deep Well Pumping
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✅ Overhead Tank Filling & Booster Systems
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✅ Farm & Irrigation Use – Drip systems, sprinklers
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✅ Livestock Drinking Water Systems
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✅ Commercial Property Water Supply
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✅ Rural Community Water Projects
? Performance Range
| Model | Power | Flow Rate Max | Head Max | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| 4BLOCK 2/7 – 2/18 | 0.5–1.5 HP | 60 L/min | 140 m | Up to 907 mm | Up to 17 kg |
| 4BLOCK 4, 6, 8 | Up to 1.5 HP | 200 L/min | Up to 102 m | Varies by stages | 11–17 kg |
➤ Operates at 230V / 50Hz, single-phase with built-in protection4-BLOCK_EN-datasheet_50…
➤ Handles sand up to 200 g/m³ and water temperatures up to +35°C
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