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