
🔹 Leader Non-Return Valve – Product Overview
Leader Non-Return Valves are designed to allow unidirectional flow and prevent backflow, protecting pumps, compressors, and pipelines. Built with robust materials and precision engineering, these valves ensure reliable operation, leak-proof sealing, and long service life. They are widely used in water supply, irrigation, sewage, and industrial piping systems.
🔹 Key Features
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Body Material: Cast Iron (CI) / Cast Steel (CS) / Stainless Steel
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Type: Swing Type / Lift Type / Wafer Type options
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Disc: Hinged / Guided / Piston type for smooth closure
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Seat: Renewable / Rubber Lined / Metal-to-Metal sealing
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End Connection: Flanged, Screwed, or Butt-Weld Ends
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Operation: Automatic closure by flow reversal
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Coating: Epoxy or corrosion-resistant coating for durability
🔹 Technical Specifications
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Size Range: 50 mm to 1200 mm (varies with type)
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Pressure Rating: PN 1.0 / PN 1.6 / Class 150 and 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, Steam, Air, Non-corrosive fluids
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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 Networks
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Sewage & Drainage Pipelines
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Oil & Gas Industry
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Power & Process Plants
⚙️ Leader Non-Return Valves are highly valued for their durability, tight sealing, and minimal maintenance, making them a trusted solution for critical industrial and utility pipelines.