4SP14 Series Submersible Deep Well Pump

Overview

The 4SP14 Series Submersible Deep Well Pump, manufactured by Dongyin Doyin, is a versatile and reliable solution for water extraction and transfer. Designed for applications requiring water lifting from drilled wells, boreholes, ponds, and lakes, this pump is ideal for residential, agricultural, and industrial uses. Its robust construction and efficient performance make it suitable for various demanding scenarios.

Key Features

• Wide Application: Ideal for sprinkler irrigation, elevated tanks, cistern filling, water fountains, industrial water supply, and agricultural irrigation.
• High Durability: Built with AIS 304 stainless steel components, ensuring resistance to corrosion and long-lasting performance.
• Optimal Performance: Curve tolerance meets ISO 9906 standards, ensuring precise water delivery.
• Temperature and Sand Resistance:
  • Maximum fluid temperature: +50°C
  • Maximum sand content: 0.25%
• Compact Design: Fits wells with a minimum diameter of 4 inches.

Motor Specifications

• Rewindable Motor: Ensures extended lifespan and easy maintenance.
• Voltage Options:
  • Single-phase: 220-240V/50Hz
  • Three-phase: 380-415V/50Hz
• Control Options:
  • Equipped with start control box or digital auto-control box.
  • Single-phase motors include a built-in capacitor.
• Standard Compliance: Designed to NEMA dimension standards.

Material Composition

• Delivery casing: AIS 304 Stainless Steel
• Suction lantern: AIS 304 Stainless Steel
• Diffuser: AIS 304 Stainless Steel
• Impeller: AIS 304 Stainless Steel
• Shaft: AIS 304 Stainless Steel
• Shaft coupling: AIS 304 Stainless Steel
• Wear ring: Rubber
• Motor external casing: AIS 304 Stainless Steel
• Top chuck: Cast-Cu ASTM C85500 / AISI 420 SS
• Bottom support: AIS 304 Stainless Steel
• Mechanical seal: Graphite-Ceramic (special for deep wells)
• Seal lubricant oil: Food-grade oil

Performance Data

The performance chart highlights various models in the 4SP14 Series, ranging from 4SP14-4 to 4SP14-24. Key specifications include:

• Flow rate: Up to 18 m³/h (300 l/min).
• Dynamic head: From 25 meters to a maximum of 153 meters, depending on the model.
• Power Range:
  • Single-phase: 1.3 kW to 2.6 kW
  • Three-phase: 3 kW to 7.5 kW

For detailed performance data, refer to the charts provided.

Additional Options

• Material Flexibility: Top chuck available in brass or AIS 304 stainless steel.
• Voltage Customization: Models available for other voltages and 60Hz frequency requirements.

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