4SN4 Series High Head Submersible Pump

Overview

The 4SN4 Series High Head Submersible Pump by Dongyin Doyin is a reliable and efficient solution for water transfer needs. These pumps are designed for deep well applications, making them ideal for transferring water from wells, ponds, lakes, and cisterns. Their high head capacity ensures efficient water delivery for various demanding applications. The 4SN series is suitable for wells with a minimum diameter of 100mm and is designed to pump water from the bottom inlet, providing efficient performance for a variety of uses.

Applications

• Well water lifting
• Farm irrigation
• Garden irrigation
• Residential water supply
• Industrial water drainage
• Construction water supply and drainage
• Breeding industry water management

Features

• Maximum Fluid Temperature: Up to +35℃
• Maximum Sand Content: 0.15%
• Minimum Well Diameter: 4 inches
• Rewindable Motor: Available in single-phase (220-240V/50Hz) or three-phase (380-415V/50Hz) configurations.
• Comes equipped with a start control box or a digital auto-control box for convenience.
• Built with casing-stressed design to ensure durability.
• Curve Tolerance: Manufactured according to ISO 9906 standards.

Material Composition

• Delivery Casing: AISI 304 Stainless Steel
• Suction Lantern: AISI 304 Stainless Steel
• Pump External Casing: AISI 304 Stainless Steel
• Diffuser: Plastic (PC)
• Impeller: Plastic (POM)
• Motor External Casing: AISI 304 Stainless Steel
• Top Chock: Cast-iron ASTM NO.30
• Bottom Support: AISI 304 Stainless Steel
• Mechanical Seal: Graphite-Ceramic
• Shaft: AISI 304 Stainless Steel – ASTM 5140
• Seal Lubricant Oil: Oil safe for food machinery and pharmaceutical use

Performance

• Operating Voltage: Single-phase: 220-240V/50Hz, Three-phase: 380-415V/50Hz
• Optional Features:
  • Other voltages or frequencies (60Hz available)
  • Single-phase built-in capacitor
  • Float switch for enhanced functionality

Performance Data

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