3.5SDM6 Series Submersible Deep Well Pump

Overview

DONGYIN DOYIN offers a comprehensive range of deep well submersible pumps, designed for efficiently transferring water from wells, ponds, lakes, and cisterns. The 3.5SD series is specifically engineered for wells with a diameter of over 90mm, ensuring reliable performance for various applications. The 3.5SDM6 Series Submersible Deep Well Pump is an ideal choice for:

• Pumping water from drilled deep wells and boreholes.
• Sprinkler lawn irrigation.
• Filling elevated and cistern tanks.
• Industrial and farming water supply.
• Agricultural irrigation systems.
• Water fountains and decorative water displays.

Key Features

• Maximum Fluid Temperature: Up to +35°C.
• Maximum Sand Content: 0.25%.
• Minimum Well Diameter: 3.5 inches.
• Rewindable Motor: Available in both single-phase (220-240V/50Hz) and three-phase (380-415V/50Hz).
• Control Options: Equipped with a start control box or a digital auto-control box.
• Construction: Designed with casing-stressed construction for durability and efficiency.
• Compliance: Curve tolerance adheres to ISO 9906 standards.

Materials of Construction

Pump Components:

• External Casing: AISI 304 Stainless Steel.
• Delivery Casing: Cast-Cu ASTM C85500.
• Suction Lantern: Cast-Cu ASTM C85500.
• Diffuser: Plastic (PC).
• Impeller: Plastic (POM).
• Shaft and Coupling: AISI 304 Stainless Steel.
• Wear Ring: AISI 304 Stainless Steel.

Motor Components:

• External Casing: AISI 304 Stainless Steel.
• Top Chuck: Available in Cast-Cu ASTM C85500 or Cast-Iron ASTM NO.30.
• Bottom Support: AISI 304 Stainless Steel.
• Mechanical Seal: Graphite-Ceramic, designed for deep wells.
• Shaft: AISI 304 SS-ASTM5140.
• Seal Lubricant Oil: Safe for food machinery and pharmaceutical use.

Performance Details

Delivery and Efficiency:

• The pump delivers consistent performance across flow rates ranging from 0 to 8.4 m³/h, with maximum head values tailored to each model.
• Efficiency curves ensure optimal energy utilization, reducing operational costs.

Models and Power Options:

• Available in various models with power ratings from 0.37 kW (0.5 HP) to 3.7 kW (5 HP), suitable for diverse operational needs.

Additional Options

• Top chuck available in brass or AISI 304 stainless steel.
• Delivery casing and inlet parts available in AISI 304 stainless steel.
• Optional voltages or 60Hz frequency for non-standard requirements.
• Single-phase motors include a built-in capacitor for added convenience.

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