3SS2 Series Submersible Deep Well Pump

Overview

Dongyin Doyin provides a comprehensive range of deep well submersible pumps ranging from 2'' to 10'' in diameter. These pumps are specifically designed for transferring water from wells, ponds, lakes, and cisterns, offering reliable performance for various applications. The 3SS2 series Submersible Deep Well Pump is an efficient solution for wells with a minimum diameter of ø75mm. This pump is ideal for various uses, including:

• Pumping water from drilled deep wells, borehole wells, ponds, and lakes
• Sprinkler lawn irrigation
• Filling elevated and cistern tanks
• Water fountains
• Industrial and farming water supply
• Agricultural irrigation

Key Features

• Maximum fluid temperature: Up to +35°C
• Maximum sand content: 0.25%
• Minimum well diameter: 3''
• Motor options:
  • Single-phase: 220-240V/50Hz
  • Three-phase: 380-415V/50Hz
• Built-in capacitor for single-phase models or outboard capacitors (no N marked)
• Rewindable motor for extended durability
• Pumps are designed with casing stress according to ISO 9906 standards

Construction Details

Pump Components and Materials

• Pump External Casing – AISI 304 Stainless Steel
• Delivery Casing
  • Cast-Cu ASTM C85500
  • AISI 304 Stainless Steel
• Suction Lantern
  • Cast-Cu ASTM C85500
  • AISI 304 Stainless Steel
• 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 and Materials

• Motor External Casing – AISI 304 Stainless Steel
• Top Chuck
  • Cast-Cu ASTM C85500
  • Cast-iron ASTM NO.30
• Bottom Support – AISI 304 Stainless Steel
• Mechanical Seal – Special seal for deep well (Graphite-Ceramic/TC)
• Shaft – AISI 304 Stainless Steel - ASTM 5140
• Seal Lubricant Oil – Oil for food machinery and pharmaceutical use

Optional Features:

• Top chuck available in brass or SS304
• Delivery casing and inlet parts available in SS304
• Other voltage or frequency options (60Hz available)

 Performance Curve

The 3SS2 Series is engineered for efficiency and reliability, as depicted in the performance curves. The flow rate and dynamic head provide clear performance metrics for various models in the series:

• 3S□ 2/8: Maximum total dynamic head: 30m
• 3S□ 2/11: Maximum total dynamic head: 60m
• 3S□ 2/15: Maximum total dynamic head: 90m
• 3S□ 2/21: Maximum total dynamic head: 120m
• 3S□ 2/27: Maximum total dynamic head: 150m
• 3S□ 2/33: Maximum total dynamic head: 180m
• 3S□ 2/38: Maximum total dynamic head: 210m

Refer to the provided graph for detailed flow rate and efficiency data.

Applications

• Residential water supply
• Irrigation systems
• Industrial water transfer
• Agricultural applications
• Tank and cistern filling
• Water fountain setups

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