LT Valves Advances Industrial Fluid Control with Triple Offset Technology

In extreme operating conditions, a valve must not only function reliably but also enhance efficiency, ensure safety, and reduce maintenance costs. L&T Valves' triple offset butterfly valves stand as a trusted solution for these demanding requirements.

As a wholly-owned subsidiary of Larsen & Toubro, L&T Valves brings over five decades of engineering expertise to deliver advanced fluid control solutions for critical industries. Recognizing that valves serve as pivotal components for operational safety and sustainability in harsh industrial environments, the company continuously innovates to produce high-performance triple offset butterfly valves through superior design and manufacturing.

L&T Valves offers an extensive range of valve solutions including:

• Gate, globe, and check valves
• Pipeline and process ball valves
• Triple offset butterfly valves
• Flanged and wafer-type butterfly valves
• Double block and bleed plug valves
• Custom solutions including High Integrity Pressure Protection Systems (HIPPS)
• Smart and digital valve solutions

The company employs advanced 3D design tools with finite element analysis (FEA) and computational fluid dynamics (CFD) to optimize valve performance across operating conditions. Its quality management system holds ISO 9001 and API Spec Q1 certifications, with additional approvals including API 600/6D/609, CE PED, ATEX, and SIL-3 compliance (IEC 61508) for critical safety applications.

The patented triple offset configuration features:

• Three distinct geometric offsets eliminating seal friction during operation
• Metal-to-metal sealing meeting API 609 Class B standards
• Reduced operating torque and extended service life
• Field-replaceable laminated seals and renewable stellite seating surfaces

These valves demonstrate exceptional performance in hydrocarbon processing, power generation, and chemical applications, with temperature capabilities from -196°C to 538°C and pressure ratings up to ASME Class 1500.

The intrinsically fire-safe construction with bidirectional bubble-tight sealing makes these valves ideal for petroleum transportation and storage. Remote-operated shut-off valve (ROSOV) systems integrate automated actuators with fail-safe functionality compliant with IEC 61508/61511 standards.

BS 6364-compliant cryogenic valves feature extended bonnets for operation down to -196°C, maintaining seal integrity in extreme cold.

Top-access models enable in-line maintenance without pipeline removal, available up to 48" (1200mm) with ASME Class 900 rating.

Steel-bodied triple offset valves up to 100" (2500mm) offer superior mechanical properties versus traditional iron bodies, with metal seals providing extended service life in contaminated water systems per AWWA C504/516 standards.

L&T's advanced production facilities incorporate:

• 5-axis machining centers
• Dedicated CNC equipment
• Custom welding systems

The company maintains strict process controls throughout manufacturing, with particular emphasis on occupational health, safety, and environmental protection.