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

Suitable for industrial, livestock, and general wastewater discharge environments.

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