🔹 Product: Leader Non-Return Valve (NRV)
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Design Standard: IS:5312 / BS:1868 / API 6D (as applicable)
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Body Material: Cast Iron (CI) / Cast Steel / Stainless Steel (as per service requirement)
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Type: Swing Type / Lift Type
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Size Range: 50 mm to 600 mm (2” to 24”)
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Pressure Rating: PN 1.0 / PN 1.6 / Class 150 & above
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End Connections: Flanged Ends to IS:1538 / BS:10 / ANSI B16.5 / Butt Weld Ends (on request)
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Testing Standard: IS:5312 / API 598
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Operation: Automatic (no manual operation required)
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Features:
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Prevents reverse flow automatically, ensuring equipment protection
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Rugged body design for durability and long service life
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Low-pressure drop with streamlined flow passage
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Renewable / replaceable seats in certain models
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Corrosion-resistant trims for dependable sealing
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Minimal maintenance, reliable performance
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👉 Applications: Extensively used in water supply, irrigation, oil & gas pipelines, chemical plants, sewage treatment, and power plants.
