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Kirloskar CI (Cast Iron) Foot Valve is a non-return valve fitted at the suction end of pumps, designed to maintain prime and prevent backflow. It is commonly used in water pumping systems, borewells, and irrigation setups for efficient and uninterrupted operation.
🔧 Key Features
- Cast Iron Body (CI) – strong, durable, and long-lasting
- Non-Return Function – prevents reverse flow and maintains pump priming
- Built-in Strainer – filters debris and protects pump from damage
- Low Head Loss Design – ensures smooth suction flow
- Corrosion Resistant Coating – suitable for water applications
- Robust Construction – ideal for continuous operation
📏 Specifications
- Size Range: approx. 25 mm to 300 mm (1” to 12”)
- Pressure Rating: PN 10 / PN 16
- Temperature Range: up to 45°C (water applications)
- End Connection: Screwed / Flanged
- Standards: IS standards compliant
⚙️ Construction Materials
- Body: Cast Iron
- Disc / Valve Plate: Cast Iron / Bronze
- Seat: Bronze / Gunmetal
- Strainer: Steel / Stainless Steel mesh
- Spring (if applicable): Stainless Steel
⚙️ Working Principle
- Installed at the pump suction line (bottom)
- When pump starts → valve opens → water flows into pipe
- When pump stops → valve closes → prevents water from flowing back
- Maintains prime and improves pump efficiency
⚙️ Applications
- Borewell and open well systems
- Agricultural irrigation
- Domestic water supply
- Industrial pumping systems
- Construction and dewatering systems
✅ Advantages
- Maintains pump prime (no need for frequent priming)
- Protects pump from dry running and damage
- Built-in strainer prevents debris entry
- Low maintenance and long service life
- Reliable performance in continuous water systems
⭐ Conclusion
Kirloskar CI Foot Valves are widely trusted for their efficient suction performance, durability, and reliable non-return function, making them essential for pump protection and smooth water flow in various applications.