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Cast Iron Submersible Wastewater Pump | Sonho Pump | EA/BA Series
Need a compact, high-efficiency Cast Iron Submersible Wastewater Pump? The EA/BA series from Sonho Pump offers durable stainless steel construction, dual SiC seals, and easy maintenance for construction and irrigation needs. Check out our performance curves today
Cast Iron Submersible Wastewater Pump
Designed for wastewater drainage, water recirculation systems, and aquaculture water processing.
Application：
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Construction Site Drainage: Rapid and reliable water removal for excavation and construction sites.
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Subway & Infrastructure: Essential for drainage and flood prevention in tunnels, subways, and public construction projects.
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Irrigation & Water Circulation:
Maintains optimal water flow for agriculture, aquaculture, and landscaping ponds.
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General Wastewater Management:
Effective for handling domestic and light industrial wastewater transfer.
FEATURES：
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Compact & Lightweight: Designed for portability and ease of handling without compromising performance; superior to standard pumps in its class.
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Corrosion-Resistant Components: Motor frame, shaft, screws, and strainer are crafted from premium stainless steel, ensuring longevity and a professional finish.
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High-Efficiency Performance: Engineered for high-volume flow and energy efficiency, utilizing wear-resistant mechanical seals and oil seals for continuous operation.
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Stable Motor Engineering: Built with high-grade silicon steel laminated motor sheets; rotor and shaft are precision-machined for enhanced operational stability.
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Moisture-Proof Protection: Cable base and internal wires are upgraded with EPOXY resin sealing to prevent humidity-related electrical issues.
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Advanced Seal Technology: Equipped with dual SiC (Silicon Carbide) mechanical seals (1.5 HP and above) for maximum durability.
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Maintenance-Friendly: The modular design allows for quick disassembly of the motor and pump housing, simplifying routine maintenance.
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Automated Control: Optional float switch available for models under 2 HP (excluding 3-phase BA-205B) for convenient automated operation.
| Model | Power Hp (kW) |
Discharge inch |
Phase φ |
Standards | |
|---|---|---|---|---|---|
| Head m | Capacity m³/min | ||||
| Q-25 | 0.2 (0.15) | 20/25mm | 1φ | 5 | 0.05 |
| BA-103A | ½ (0.4) | 1 ½” | 1φ | 5.5 | 0.1 |
| BA-205B | 0.5kW | 2″ | 1φ / 3φ | 8 | 0.1 |
| EA-207 | 1 (0.75) | 2″ | 1φ / 3φ | 9 | 0.2 |
| EA-307 | 1 (0.75) | 3″ | 1φ / 3φ | 6.5 | 0.4 |
| BA-208A | 1½ (1.1) | 2″ | (1φ 220v)/ 3φ | 10 | 0.2 |
| BA-308A | 1½ (1.1) | 3″ | (1φ 220v)/ 3φ | 8 | 0.4 |
| Model | Power Hp (kW) |
Discharge inch |
Phase φ |
Standards | |
|---|---|---|---|---|---|
| Head m | Capacity m³/min | ||||
| BA-B315 | 2 (1.5) | 3″ | (1φ 220v)/ 3φ | 8 | 0.5 |
| BA-322B | 3 (2.2) | 3″ | 3φ | 12 | 0.5 |
| BA-437A | 5 (3.7) | 3″/4″ | 3φ | 17 | 0.5 |
| BA-355A | 7½ (5.5) | 3″/4″ | 3φ | 24 | 0.5 |
| BA-475A | 10 (7.5) | 4″ | 3φ | 21 | 1.0 |
| BA-4110 | 15 (11) | 4″ | 3φ | 33 | 1.0 |
BA & EA Series Dimensions & Weight *(Representative Diagram)*
BA Dimension Diagram (Length A, Width B)
BA Dimension Diagram (Height C)
| MODEL | A (LENGTH) MM | B (WIDTH) MM | C (HEIGHT) MM | WEIGHT KG |
|---|---|---|---|---|
| Q-25 | 165 | 130 | 275 | 7 |
| BA-103A | 200 | 140 | 340 | 11 |
| BA-205B | 230 | 160 | 345 | 15 |
| EA-207 | 250 | 180 | 460 | 22 |
| EA-307 | 290 | 180 | 460 | 23 |
| BA-208A | 250 | 180 | 480 | 24 |
| BA-308A | 310 | 220 | 500 | 25 |
| BA-B315 | 360 | 170 | 570/490 | 41/38 |
| BA-322B | 420 | 240 | 550 | 40 |
| BA-437A | 440 | 255 | 560 | 52 |
| BA-355A | 470 | 250 | 570 | 60 |
| BA-475A | 560 | 310 | 690 | 95 |
| BA-4110 | 560 | 310 | 720 | 105 |
