3SK Series Submersible Deep Well Pump

Introduction

DONGYIN DOYIN offers a comprehensive range of submersible deep well pumps from 2'' to 10'', designed for transferring water from wells, ponds, lakes, and cisterns. The 3SK series is engineered specifically for wells over φ75mm, making it a versatile and reliable solution for various applications.

Key Features

• Brass Impellers and Diffusers: Durable and efficient components to ensure longevity and consistent performance.
• Wide Applications: Ideal for:
  • Well water lifting
  • Farm irrigation
  • Garden irrigation
  • Residential water supply
  • Industrial water removal
  • Construction water supply and drainage
  • Breeding industry water supply and drainage
• Fluid Compatibility:
  • Maximum fluid temperature: +40℃
  • Maximum sand content: 0.15%
• Well Compatibility:
  • 3SK series: Minimum well diameter of 3"
  • 4SK series: Minimum well diameter of 4"

Motor Details

• Rewindable Motor: Ensures easy maintenance and extended service life.
• Voltage Options:
  • Single-phase: 220-240V/50Hz
  • Three-phase: 380-415V/50Hz
• Control Options: Equipped with a start control box or a digital auto-control box.
• Standards Compliance: Curve tolerance according to ISO 9906.

Construction and Materials

Component: Material

• Delivery casing: Cast-Cu ASTM C85500
• Suction lantern:
  1. Cast-Cu ASTM C85500
  2. AISI 420 SS
• Diffuser:
  1. Cast-Cu ASTM C85500
  2. AISI 420 SS
• Impeller: Cast-Cu ASTM C85500
• Strainer: AISI 304 SS
• Motor external casing: AISI 304 SS
• Top chock:
  1. Cast-Cu ASTM C85500
  2. AISI 420 SS
  3. Cast-iron ASTM NO.30
• Bottom support: AISI 304 SS
• Mechanical seal: Graphite-Ceramic
• Shaft: AISI 304 SS-ASTM5140
• Seal lubricant oil: Food-grade oil

Optional Features

• Top chuck available with brass.
• Other voltages or 60Hz frequency available.
• Single-phase motor with built-in capacitor.

Performance Data

The following table summarizes the performance data for the 3SK series pumps:

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