General Specifications:
1. Power Range: 5-200 HP (3.7-149 kW)
2. Voltage: 380-480V, 3-phase (may vary depending on manufacturer)
3. Frequency: 50/60 Hz
4. Motor Type: Induction motor (squirrel cage or wound rotor)
5. Insulation Class: F or H (depending on manufacturer)
Performance Specifications:
1. Efficiency: High efficiency (e.g., IE3 or NEMA Premium)
2. Power Factor: 0.8-0.9 (depending on load and design)
3. Current: Varies depending on power rating and voltage
4. Speed: Typically 2850-2900 RPM (4-pole motor)
Design and Construction:
1. Motor Diameter: 8 inches (200 mm)
2. Motor Length: Varies depending on power rating and design
3. Cable Entry: Waterproof cable entry system
4. Bearings: High-quality, water-lubricated bearings
5. Materials: Stainless steel or other corrosion-resistant materials
Operating Conditions:
1. Maximum Depth: Typically up to 150-200 meters (492-656 feet)
2. Water Temperature: Up to 30°C (86°F) or higher (depending on design)
3. Sand Content: Typically up to 50-100 ppm (parts per million)
Certifications and Compliance:
1. ISO 9001: Quality management system certification
2. CE Marking: Compliance with EU safety and health regulations
3. Other certifications: May vary depending on manufacturer and region
Key Features:
1. Compact Design: 8-inch diameter allows for installation in narrow wells or boreholes.
2. High Efficiency: Optimized motor design reduces energy consumption and operating costs.
3. Reliable Performance: Robust construction and high-quality materials ensure long-term reliability.
4. Waterproof: Designed to operate submerged in water, with waterproof cable entry and seals.
5. Corrosion-Resistant: Materials and coatings protect against corrosion and wear.
6. Low Maintenance: Simple design and few moving parts minimize maintenance needs.
7. High-Quality Bearings: Water-lubricated bearings reduce friction and extend motor life.
8. Flexible Installation: Can be installed in various orientations and configurations.
Advanced Features (may vary by model):
1. Thermal Protection: Built-in temperature sensors or thermal overload protection.
2. Motor Protection: Overload, overcurrent, or dry-run protection.
3. High-Quality Cables: Reinforced cables with waterproof connectors.
4. Long-Life Coatings: Advanced coatings for added corrosion protection.
Benefits:
1. Increased Productivity: Reliable performance and high efficiency.
2. Reduced Operating Costs: Lower energy consumption and maintenance needs.
3. Long-Term Reliability: Robust design and high-quality materials.
When selecting a submersible motor, consider factors like:
1. Application: Water supply, irrigation, or industrial use.
2. Power Requirements: Match motor power to pump and system requirements.
3. Operating Conditions: Consider water temperature, depth, and sand content.
8-inch submersible motors have various applications:
Main Applications:
1. Water Supply: Municipal water supply, rural water supply, and domestic water systems.
2. Irrigation: Agricultural irrigation, crop watering, and farm water supply.
3. Industrial Processes: Cooling systems, process water supply, and wastewater treatment.
4. Dewatering: Mining, construction, and excavation dewatering.
Other Applications:
1. Groundwater Management: Monitoring and managing groundwater levels.
2. Aquaculture: Water supply and circulation systems for fish farms.
3. Municipal Services: Firefighting water supply, park irrigation, and public water features.
Benefits:
1. Efficient Water Supply: Reliable and efficient water supply for various applications.
2. Space-Saving Design: Compact design allows installation in narrow wells or boreholes.
3. Low Operating Costs: High efficiency and reduced maintenance needs.
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