Submersible Sewage Pump| Sonho Pump| BF/BF4 Series

Looking for a reliable Submersible Sewage Pump? Sonho Pump’s EF/BF series offers high-efficiency performance, corrosion resistance, and dual SiC mechanical seals. Perfect for industrial wastewater and basement drainage. Contact us today!

Description

Submersible Sewage Pump(1500rpm/3000rpm)

Application:

  • Basement & Site Drainage: Efficiently removes accumulated water in basements, construction sites, and low-lying areas.

  • Food Processing Industry: Reliable drainage solutions for food processing plants and refined water systems.

  • Animal Husbandry: Robust pumping performance for managing agricultural and livestock wastewater.

  • Wastewater Treatment Plants: Ideal for the processing and transfer of municipal and industrial effluent.

  • Water Refining & Storage: Effective for emptying and circulating fluids in various water treatment tanks.

  • Industrial Wastewater Management: Capable of handling complex, muddy, and diverse industrial wastewater streams.

FEATURES:

  • High-Efficiency Motor Design: Features a high-grade silicon steel laminated motor, with precision-machined shafts and rotors to maximize operational stability and efficiency.

  • Corrosion-Resistant Stainless Steel: The motor frame, shaft, and screws are constructed from premium stainless steel, ensuring a long service life and a professional, durable appearance.

  • Optimized Impeller Performance: Specially designed impeller geometry ensures high-flow performance and prevents clogging, even when handling muddy liquids and industrial debris.

  • Dual SiC Mechanical Seals: Equipped with dual Silicon Carbide (SiC) mechanical seals (available for 1.5 HP models and above) for superior wear and heat resistance.

  • Enhanced Humidity Protection: Cable wires and bases are upgraded with epoxy resin potting, significantly improving moisture resistance and preventing electrical failures.

  • Easy Maintenance: The modular pump housing and motor assembly are designed for quick, straightforward disassembly and servicing, reducing operational downtime.

  • Flexible Operation: Automatic operation is available via an optional float switch for models under 2 HP.

Model Power
Hp (kW)
Discharge
inch
Phase
φ
Standards Free
Passage mm
Head m Capacity m³/min
EF-207 1 (0.75) 2″ 1φ / 3φ 9 0.2 12
EF-307 1 (0.75) 3″ 1φ / 3φ 6.5 0.4 12
BF-208A 1½ (1.1) 2″ (1φ 220v)/ 3φ 10 0.2 15
BF-308A 1½ (1.1) 3″ (1φ 220v)/ 3φ 8 0.4 20
BF-B315 2 (1.5) 3″ (1φ 220v)/ 3φ 8 0.5 20
BF-322B 3 (2.2) 3″ 3φ 12 0.5 30
BF-437A 5 (3.7) 3″/4″ 3φ 17 0.5 35
BF-355A 7½ (5.5) 3″/4″ 3φ 24 0.5 35
BF-475A 10 (7.5) 4″ 3φ 20 1.0 40
BF-4110 15 (11) 4″ 3φ 26 1.0 40
Model Power
Hp (kW)
Discharge
inch
Phase
φ
Start
Method
Standards Free
Passage mm
Head m Capacity m³/min
BF4-322 3 (2.2) 3″ 3φ Direct 9 0.5 40
BF4-437 5 (3.7) 4″ 3φ Direct 9 1.0 40
BF4-455 7½ (5.5) 4″ 3φ Direct 11 1.0 40
BF4-475 10 (7.5) 4″ 3φ Direct 17 1.0 40
BF4-675 10 (7.5) 6″ 3φ Direct 10 2.0 45
BF4-4415 15 (11) 4″ 3φ Y-▵ 21 1.0 45
BF4-4615 15 (11) 6″ 3φ Y-▵ 17 1.8 50
BF4-4620 20 (15) 6″ 3φ Y-▵ 20 2.0 55
BF4-4820 20 (15) 8″ 3φ Y-▵ 13 4.0 60
BF4-4630 30 (22) 6″ 3φ Y-▵ 25 1.8 55
BF4-4830 30 (22) 8″ 3φ Y-▵ 20 3.5 60

BF/BF4 Series Dimensions & Weight *(Representative Diagram)*

BF Dimension Diagram A and B

BF Dimension Diagram (Length A, Width B)

BF Dimension Diagram C

BF Dimension Diagram (Height C)

2P-3000RPM Specifications

MODEL A (LENGTH) MM B (WIDTH) MM C (HEIGHT) MM WEIGHT KG
EF-207 260 210 460 22
EF-307 300 210 460 23
BF-208A 260 210 480 24
BF-308A 310 220 500 25
BF-B315 370 230 590/530 41/35
BF-322B 420 240 550 41
BF-437A 440 255 560 51/52
BF-355A 470 250 570 60
BF-475A 560 310 700 95
BF-4110 560 310 730 105

4P-1500RPM Specifications

MODEL A (LENGTH) MM B (WIDTH) MM C (HEIGHT) MM WEIGHT KG
BF4-322 560 310 620 80
BF4-437 560 310 680 96
BF4-455 600 360 710 105
BF4-475 730 430 820 154
BF4-675 780 480 820 184
BF-4415 730 430 900 200
BF-4615 940 480 950 250
BF-4620 940 480 950 250
BF-4820 950 480 950 270
BF-4630 950 480 990 290
BF-4830 950 480 990 300