PUNA Motors

🛡 SGI Casting Body 

• Made from high-grade SGI (Spheroidal Graphite Iron) casting. 

• Superior corrosion resistance in saline water up to 4500 ppm. 

• Enhanced shock resistance for longer life without cracks or fractures. 

• Cast iron parts with CED Coated. 

🔩 End Ring SS431 with Automatic Argon Welding 

• Prevents motor part separation. 

• Protects against motor drops inside the borehole. 

⚙ Thrust Bearing – Carbon & Silicon Carbide 

• Handles high axial loads. 

• Extends motor lifespan under heavy-duty conditions. 

🌊 Deep Well Operation 

• Designed to operate efficiently at depths up to 300 meters. 

🔗 Single-Piece Shaft – Stainless Steel 431 

• Ensures strength and stability during operation. 

🔄 Rotor with Balance Rings 

• Guarantees smooth rotation. 

• Minimizes vibration for longer motor life. 

🔌 Copper Wire with PVC Insulation 

• Made from pure copper for maximum conductivity. 

• Withstands water temperatures up to 35°C. 

• Motor insulation class  B  .  

⚡ High-Quality Silicon Steel Core 

• Optimized for high power factor. 

• Reduces electricity consumption. 

🛠 Axial Bearing – Carbon Bush 

• High wear resistance. 

• Low friction and excellent sand tolerance. 

🔒 Mechanical Seal  

Ceramic to carbon mechanical seal to give more reliability and longer life  

EPDM sand guard 

SS 304 Fasteners 

• All bolts made from corrosion-resistant stainless steel. 

• Ensures long-term reliability in harsh conditions. 

🎯 Ideal for: 

• Agricultural irrigation 

• Industrial water systems 

• Deep well pumping 

• Saline water applications 

Specefications