Description
Introduction
Dongyin Doyin offers an extensive range of deep well submersible pumps, designed to efficiently transfer water from wells, ponds, lakes, and cisterns. The 3SD4 Series pumps are a versatile choice, tailored for wells with diameters exceeding φ75mm.
Applications
- Water supply from wells or reservoirs
- Domestic, civil, and industrial use
- Garden irrigation and other outdoor water needs
Key Features
- Fluid Handling: Suitable for water with a maximum sand content of 0.25%.
- Temperature Range: Operates with fluids up to +35°C.
- Compact Design: Compatible with wells as small as 3" in diameter.
- Durable Motor: Rewindable motor available in single-phase (220-240V/50Hz) or three-phase (380-415V/50Hz).
- Advanced Controls: Equipped with either a start control box or a digital auto-control box.
- ISO Certified Performance: Curve tolerance in accordance with ISO 9906 standards.
Construction Materials
The 3SD4 Series is built with premium materials to ensure durability and reliability:
Pump Components
- External Casing: AISI 304 Stainless Steel
- Delivery Casing: Cast-Cu ASTM C85500 or AISI 304 Stainless Steel
- Suction Lantern: Cast-Cu ASTM C85500 or AISI 304 Stainless Steel
- 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: Cast-Cu ASTM C85500 or Cast Iron ASTM NO.30
- Bottom Support: AISI 304 Stainless Steel
- Mechanical Seal: Deep well-specific (Graphite-Ceramic/TC)
- Shaft: AISI 304 Stainless Steel - ASTM5140
- Seal Lubricant Oil: Food and pharmaceutical-grade oil
Optional Customizations
- Top Chuck: Available in brass or AISI 304 Stainless Steel.
- Delivery Casing and Inlet Parts: Optionally constructed with AISI 304 Stainless Steel.
- Frequency and Voltage: Compatible with 60Hz and alternative voltage setups.
- Motor Capacitor: Single-phase motor with built-in capacitor available.
Additional Information
Product Name: |
3SD4 Series Submersible Deep Well Pump |
Brand: |
Dongyin Doyin |
Maximum Fluid Temperature: |
+35°C |
Maximum Sand Content: |
0.25% |
Minimum Well Diameter: |
3" |
Voltage: |
Single-phase (220-240V/50Hz), Three-phase (380-415V/50Hz) |
Certifications: |
ISO 9906 Performance Standards |
Pump Material: |
AISI 304 Stainless Steel, Cast-Cu ASTM C85500, Plastic (PC & POM) |
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