3.5SDM2 Series Submersible Deep Well Pump

Introduction

The 3.5SDM2 Series Submersible Deep Well Pump, by Dongyin Doyin, is a highly reliable and efficient solution for transferring water from deep wells, ponds, lakes, and cisterns. This pump series is designed for versatile applications, including irrigation, industrial water supply, and domestic water needs.

Key Features

Versatile Applications

• Ideal for:
  • Pumping water from drilled deep wells and boreholes.
  • Sprinkler lawn irrigation and cistern tank filling.
  • Water fountains, industrial, and agricultural irrigation systems.

Performance and Reliability

• Maximum fluid temperature: +35°C
• Maximum sand content: 0.25%
• Minimum well diameter: 3.5 inches
• Designed with curve tolerance in accordance with ISO 9906 standards.

Motor Specifications

• Rewindable motor for extended durability.
• Single-phase: 220-240V/50Hz.
• Three-phase: 380-415V/50Hz.
• Equipped with a start control box or digital auto-control box for optimized operation.

Material Composition

Pump Components

• Pump external casing: AISI 304 Stainless Steel.
• Delivery casing: Cast-Cu ASTM C85500 (optional SS304 available).
• Suction lantern: Cast-Cu ASTM C85500.
• Diffuser: Plastic (PC).
• Impeller: Plastic (POM).
• Shaft and coupling: AISI 304 Stainless Steel.
• Wear ring: AISI 304 Stainless Steel.

Motor Components

• Motor external casing: AISI 304 Stainless Steel.
• Top chuck: Cast-Cu ASTM C85500 or Cast-Iron ASTM NO.30.
• Bottom support: AISI 304 Stainless Steel.
• Mechanical seal: Graphite-Ceramic (special seal for deep well pumps).
• Shaft: AISI 304 SS-ASTM 5140.
• Seal lubricant oil: Certified for food and pharmaceutical use.

Additional Options

• Top chuck available in brass or SS304.
• Delivery casing and inlet parts are available in SS304.
• Other voltage or frequency options (e.g., 60Hz) available upon request.
• Single-phase motor with a built-in capacitor for enhanced efficiency.

Performance Curves and Data

The 3.5SDM2 Series provides a wide range of models with varying performance levels to suit diverse needs. Refer to the provided performance curve and data chart for detailed specifications on flow rate (Q), total dynamic head (H), and efficiency (Eta%).

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