Frequency: 50 Hz
Model: OSP77/09
SKU: ACSONS-PUMP-OSP77-09-6IN-50HP-5DIS-VLB
Flow: 77 m³/h (Rated capacity)
Head: 65 Meter – 200 Meter (Varies by stage/load configuration)
Specifications
Pump Type: Multi-Stage Submersible Turbine Pump
Inlet / Outlet Size: 5 Inch Discharge
Well Diameter Compatibility: 6 Inch Bowl / 6 Inch Motor Compatible
Power Output: 50 HP / 37 kW
Operating Voltage: 380-415 V (3-Phase)
Motor Speed: 2900 RPM
Material Construction: Reinforced Cast Iron / High-grade Stainless Steel internals
Insulation Standard: Class F
Ingress Protection: IP 68 (Submersible)
Maximum Fluid Temperature: 35°C
Quality Certifications: ISO 9001 Certified, CE Compliant
Key Applications
Agricultural Irrigation: Ideal for high-efficiency irrigation systems requiring sustained, medium-high flow rates over long distances.
Industrial Water Supply: Suited for manufacturing cooling processes and process water circulation where volume is a priority.
Municipal Distribution: Reliable for extracting water from deep aquifers for community water systems and storage tank filling.
Commercial Building Services: Capable of handling the demands of high-pressure water supply systems in large developments.
Environmental/Dewatering: Effective for borehole water level management and large-scale drainage projects.
Installation and Use Notes
Piping: Use 5-inch, high-pressure rated column piping. Maintaining the 5-inch diameter is essential to support the 77 m³/h flow capacity and minimize friction losses that could impact the pump’s operating head.
Electrical Protection: A professional 3-phase control panel with a Soft Starter is recommended for the 50HP motor to reduce start-up torque, protect the motor windings from electrical stress, and prolong the life of the pump shaft.
System Monitoring: Implementation of dry-run protection and motor overload relays is highly recommended. Given the 50HP power level, real-time monitoring of discharge pressure helps ensure the system stays within the pump's efficiency curve.
Installation Requirements: Specialized lifting equipment is necessary to handle the weight of this pump assembly safely. Always use high-strength, certified safety cables to secure the unit within the borehole, and ensure all submersible cable splices are waterproof and rated for high-amperage industrial use.