2.5SDM Series Submersible Deep Well Pump

Introduction

DONGYIN Doyin's 2.5SDM Series Submersible Deep Well Pumps are designed to transfer water efficiently from drilled deep wells, boreholes, ponds, lakes, and cisterns. These pumps are suitable for wells over φ50mm, making them ideal for a variety of residential, agricultural, and industrial applications.

Key Applications

• Sprinkler lawn irrigation
• Elevated and cistern tank filling
• Water fountains
• Industrial water supply
• Agricultural irrigation

Features and Benefits

• Maximum Liquid Temperature: +35 °C
• Maximum Sand Content: 0.25%
• Maximum Immersion Depth: 60 m
• Minimum Well Diameter: 100 mm
• Installation Orientation: Vertical
• Motor Type: Rewindable oil-filled motor, 50/60Hz
• Protection Class: IP 68
• Insulation Class: F

Materials of Construction

Pump Components:

• Pump External Casing: AISI 304 Stainless Steel
• Delivery Casing: Cast Copper ASTM C85500 (Optional: AISI 304 Stainless Steel)
• Suction Lantern: Cast Copper ASTM C85500
• Diffuser: Plastic (PC)
• Impeller: Plastic (POM)
• Shaft: AISI 304 Stainless Steel
• Shaft Coupling: AISI 304 Stainless Steel
• Wear Ring: AISI 304 Stainless Steel

Motor Components:

• Motor External Casing: AISI 304 Stainless Steel
• Top Chock: Cast Iron / Brass
• Bottom Support: AISI 304 Stainless Steel
• Mechanical Seal: Graphite-Ceramic/TC (Specialized for deep wells)
• Seal Lubricant Oil: Food-grade oil (suitable for machinery and pharmaceutical use)

Performance Data

• Single Phase Motor: Built-in capacitor for enhanced performance
• Frequency Options: 50Hz or 60Hz available
• Voltage Range: 220 - 240V

Refer to the performance curve for detailed insights on flow rates and efficiency.

Performance Curve

The performance curve for the 2.5SDM series illustrates the relationship between flow rate (Q), total dynamic head (H), and efficiency (Eta%). This ensures optimal selection based on your specific requirements.

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