2SD Series Submersible Deep Well Pump

Introduction

DONGYIN Pump provides an extensive range of deep well submersible pumps, catering to various applications from 2" to 10". These pumps are designed for efficiently transferring water from wells, ponds, lakes, and cisterns. The 2SD series is specifically engineered for wells with a minimum diameter of 50mm, offering reliable and durable solutions for domestic, agricultural, and industrial water supply needs.

Applications

The 2SDM deep well submersible pump is ideal for:

• Water Extraction: Drilled deep wells, borehole wells, ponds, and lakes.
• Irrigation Systems: Sprinkler lawn irrigation and agricultural irrigation.
• Household Use: Tap water supply, swimming pool filling, and elevated tank filling.
• Industrial Use: Industrial water supply and water fountains.

Operation Conditions

• Maximum Liquid Temperature: +35 °C
• Maximum Sand Content: 0.25%
• Maximum Immersion Depth: 60 meters
• Minimum Well Diameter: 50mm
• Installation: Vertical

Key Features

• Motor: Rewindable oil-filled motor, available for 50Hz and 60Hz operations.
• Oil: Food-grade mechanical oil for safety and durability.
• Voltage Options:
  • Single-phase: 110V/60Hz, 220V-240V/50Hz, 220V/60Hz
  • Three-phase: 380V-400V
• Insulation: Class F
• Protection Level: IP68

Materials and Components

Optional Features (On Request)

• Other voltage or frequency configurations (e.g., 60Hz).
• Single-phase motor with built-in capacitor.

Performance Data

The 2SD series offers varying models to meet diverse needs:

For detailed performance curves and technical specifications, please refer to the attached diagrams.

The 2SD Submersible Deep Well Pump offers superior performance to meet various water delivery needs. The performance curve graph showcases the relationship between the flow rate (Q) and the total dynamic head (H) at different impeller stages. The curves allow users to determine the optimal operating point for their specific requirements. Key Highlights of the Performance Curve:

• Flow Rate Range: 0 – 16 l/min (0 – 0.96 m³/h)
• Total Dynamic Head Range: 12 – 51 meters
• Multiple performance curves are available for models 2SD0.7/26, 2SD0.7/32, and 2SD0.7/38, corresponding to different impeller numbers.

The pump efficiency curve below the performance curve helps determine the energy-efficient flow rate for maximum output with minimal power consumption.

Key Takeaways:

• 2SDM0.7/26: Offers a maximum head of 35 meters with a flow rate of up to 16 l/min, ideal for medium-depth applications.
• 2SDM0.7/32: Achieves a maximum head of 43 meters with balanced flow and pressure, perfect for higher head requirements.
• 2SDM0.7/38: Provides a maximum head of 51 meters with a robust power output for deeper wells or higher elevation needs.

With these performance specifications, you can select the model that best fits your water delivery requirements.

Installation Guidelines

• Ensure the pump is fully submerged in water.
• Vertical installation is mandatory.
• Install the pump at least 5m above the bottom of the well.
• Maximum depth: 80 meters.

Refer to the installation diagram for visual guidance.

The exploded diagram illustrates the internal components, including the impeller, diffuser, shaft, mechanical seal, and oil bag, ensuring a detailed understanding of the pump's construction.

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