4QG Series Stainless Steel Screw Submersible Water Pump

Introduction

The 4QG Stainless Steel Screw Submersible Water Pump by Dongyin Doyin is a versatile and efficient solution for a wide range of water transfer needs. Designed for durability and reliability, it is ideal for domestic, civil, and industrial applications, as well as garden irrigation.

Key Features

• Wide Compatibility: Designed for use in wells, reservoirs, ponds, lakes, and cisterns.
• Application Versatility:
  • Domestic water supply.
  • Civil and industrial applications.
  • Garden use and irrigation.
• Temperature and Sand Resistance:
  • Maximum fluid temperature: up to +40℃.
  • Maximum sand content: 3%.
• Compact Design:
  • Minimum well diameter for 3QG: 3".
  • Minimum well diameter for 4QG: 4".

Motor and Power Details

• Rewindable Motor:
  • Single-phase: 220-240V/50Hz.
  • Three-phase: 380-415V/50Hz.
  • Built-in capacitor for single-phase motors.
• Curve Tolerance: Adheres to ISO 9906 standards.
• Optional Customization:
  • Other voltages or 60Hz frequency.
  • External control box available.

Material and Build Quality

• Durable Components:
  • Delivery casing: AISI 304 Stainless Steel.
  • Strainer: AISI 304 Stainless Steel.
  • 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: Food-grade and pharmaceutical-grade oil.

Applications

The 4QG Series is perfectly suited for a variety of applications, including:

• Residential and commercial water supply.
• Industrial water transfer.
• Irrigation systems for gardens and agricultural use.

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