🔹 Kirloskar Non-Return Valve – Product Overview
Kirloskar Non-Return Valves (NRVs) are designed to allow unidirectional flow and automatically prevent reverse flow in pipelines. Built with robust engineering and durable materials, these valves ensure reliable operation, protecting pumps and pipelines from damage due to backflow. They are widely used in water supply, irrigation, sewage, oil & gas, and industrial utilities.
🔹 Key Features
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Body Material: Cast Iron (CI) / Cast Steel (CS) – depending on model
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Design Standard: IS: 5312 (Part I & II) / BS Standards
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Type: Swing Type / Lift Type NRV options available
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End Connection: Flanged Ends (IS:1538 / ANSI / DIN standards)
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Disc: Hinged / Guided disc for smooth closure
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Seating: Renewable / Rubber / Metal-to-metal sealing
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Coating: Epoxy coated for enhanced corrosion resistance
🔹 Technical Specifications
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Size Range: 50 mm to 1200 mm (varies with design)
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Pressure Rating: PN 1.0 / PN 1.6 / Class 150 & above
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Test Pressure:
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Body Test: 1.5 × PN/Class Pressure
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Seat Test: 1.1 × PN/Class Pressure
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Suitable Media: Water, Oil, Air, Steam, Sewage, Non-corrosive Liquids
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Temperature Range: Up to 200°C (Cast Iron) / 400°C (Cast Steel)
🔹 Applications
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Water Distribution & Pumping Stations
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Irrigation Systems
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Sewage & Drainage Pipelines
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Oil & Gas Industries
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Power & Process Plants
⚙️ Kirloskar Non-Return Valves are highly valued for their durability, leak-proof sealing, and minimal maintenance, making them a reliable choice for critical industrial and utility applications.
