TESK 408 Series 4" Submersible Borehole Pumps

The TESK 408 Series 4" (100mm) submersible pumps are designed for exceptional efficiency, durability, and ease of use. Ideal for borehole applications, these pumps offer consistent performance across various models. Although the 408 range can do between 20 and 200 litres per minute, its optimum efficiency is at 120-150 litres per minute at a depth of 20m - 140m depending on the model.

We are happy to provide assistance if you're unsure which pump you need for your borehole. Please feel free to reach out to our team at [email protected] 

Performance Specifications:

• TESK 408-06: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 30m. Pump range is 20L/min - 200L/min and a depth of 18m - 40m.
  • • Outlet Connection Diameter: 50mm Female Thread
    • Number of stages: 6
    • Pump outside diameter: 4" (100mm)
    • Weight: 3.4Kg
    • Mounts to any compatible 4" 1.10KW (1.50HP) Motor (also sold on Aquadale)
• TESK 408-08: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 40m. Pump range is 20L/min - 200L/min and a depth of 25m - 50m.
  • • Outlet Connection Diameter: 50mm Female Thread
    • Number of stages: 8
    • Pump outside diameter: 4" (100mm)
    • Weight: 4.0Kg
    • Mounts to any compatible 4" 1.50KW (2.00HP) Motor (also sold on Aquadale)
• TESK 408-13: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 65m. Pump range is 20L/min - 200L/min and a depth of 30m - 80m.
  • • Outlet Connection Diameter: 50mm Female Thread
    • Number of stages: 13
    • Pump outside diameter: 4" (100mm)
    • Weight: 5.5Kg
    • Mounts to any compatible 4" 2.20KW (3.00HP) Motor (also sold on Aquadale)
• TESK 408-17: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 85m. Pump range is 20L/min - 200L/min and a depth of 45m - 115m.
  • • Outlet Connection Diameter: 50mm Female Thread
    • Number of stages: 17
    • Pump outside diameter: 4" (100mm)
    • Weight: 6.6Kg
    • Mounts to any compatible 4" 3.00KW (4.00HP) Motor (also sold on Aquadale)
• TESK 408-21: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 100m. Pump range is 20L/min - 200L/min and a depth of 50m - 130m.
  • • Outlet Connection Diameter: 50mm Female Thread
    • Number of stages: 21
    • Pump outside diameter: 4" (100mm)
    • Weight: 7.8Kg
    • Mounts to any compatible 4" 4.00KW (5.50HP) Motor (also sold on Aquadale)
• TESK 408-23: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 115m. Pump range is 20L/min - 200L/min and a depth of 60m - 145m.
  • • Outlet Connection Diameter: 50mm Female Thread
    • Number of stages: 23
    • Pump outside diameter: 4" (100mm)
    • Weight: 8.4Kg
    • Mounts to any compatible 4" 4.00KW (5.50HP) Motor (also sold on Aquadale)
• TESK 408-32: Optimum efficiency is 130 litres per minute (7,800L/per hour) at a depth of 150m. Pump range is 20L/min - 200L/min and a depth of 80m - 200m.
  • • Outlet Connection Diameter: 50mm Female Thread
    • Number of stages: 32
    • Pump outside diameter: 4" (100mm)
    • Weight: 11Kg
    • Mounts to any compatible 4" 5.50KW (7.50HP) Motor (also sold on Aquadale)

Key Features:

• Motor Compatibility: Designed to pair seamlessly with standard 4" submersible motors.
• High Efficiency: Optimised hydraulic design ensures maximum water flow with minimal energy consumption.
• High Durability and Easy Installation: Constructed from corrosion-resistant 304 stainless steel, these pumps are built to withstand harsh environments and facilitate straightforward installation.
• Easy Service Operation: Designed for user-friendly maintenance, reducing downtime and operational costs.
• NEMA Standard Connections: Equipped with standardised NEMA connections for seamless integration with compatible motors.
• Water-Lubricated Rubber Bearings: Ensure smooth operation and longevity by reducing friction and wear.
• Built-In Check Valve: Prevents backflow, safeguarding the pump and enhancing system reliability.