Description
L&T (Larsen & Toubro) butterfly valves are quarter-turn valves used for regulating, isolating, or throttling fluid flow. Designed for compactness, low-pressure drop, and reliable performance, they are widely used in water, oil, gas, chemical, and power applications.
Types Available
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Wafer Type Butterfly Valve
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Lug Type Butterfly Valve
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Double Flanged Type Butterfly Valve
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High-Performance Butterfly Valve
Key Features
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Compact and lightweight design.
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90° rotation for quick operation.
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Bi-directional sealing.
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Bubble-tight shut-off.
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Suitable for both on-off and throttling services.
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Fire-safe and anti-blowout stem design (in certain models).
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Manual, pneumatic, or electric actuator options.
Specifications
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Size Range: 40 mm to 2000 mm (varies by type).
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Body Material: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel.
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Disc Material: Stainless Steel, Cast Iron, Aluminum Bronze, Duplex Steel.
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Seat Material: EPDM, Nitrile, PTFE, Viton, Metal-seated (for high-temp).
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End Connections: Wafer / Lugged / Double Flanged.
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Pressure Rating: PN 6 / PN 10 / PN 16 / ANSI Class 150.
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Temperature Range: -20°C to +200°C (depending on seat material).
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Operation: Hand Lever / Gear Operator / Pneumatic Actuator / Electric Actuator.
Standards & Approvals
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Design Standard: API 609 / BS 5155 / IS 13095
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Face to Face: ISO 5752 / EN 558
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Testing Standard: API 598 / EN 12266
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Flange Drilling: IS 6418 / IS 1538 / ASME B16.5
Applications
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Water supply & distribution
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HVAC systems
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Power plants
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Chemical & petrochemical industries
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Oil & gas
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Food & beverage
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Firefighting & irrigation systems
