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L&T Valves – Industry-Leading Flow Control Solutions
L&T Valves (a subsidiary of Larsen & Toubro) is a global leader in designing and manufacturing advanced flow-control technology. Built to operate in severe service applications, L&T valves deliver maximum safety, durability, and operational efficiency across energy, chemical, power, and water industries.
Description :-
Honeywell VBA16P020 series of two-way control ball valves can be used in the HVAC water systems of commercial and public buildings to achieve modulating or On/Off control
Features:
Equal percentage flow
characteristic
Low leakage rate
Low driving torque
Stainless steel ball and stem
Straight through flow with reduced
flow resistance
High flow capacity
Material
Valve body: Brass HPb59-1
Cap: Brass HPb59-1
Seat: PTFE
Ball: Stainless steel
Stem: Stainless steel
Sealing ring: FPM
Motor Operated Valves (MOV) – Automated Flow Control Solution
Motor Operated Valves (MOV) are electrically actuated valves designed for efficient and reliable control of fluid flow in industrial systems. These valves use an electric motor to open, close, or modulate the valve position, making them ideal for large-sized valves where manual operation is impractical.
MOVs are available in two main types: On/Off valves, which operate in fully open or fully closed positions, and Control (Modulating) valves, which allow precise adjustment of flow rates. This flexibility makes them suitable for both liquid and gas applications across a wide range of industries.
Widely used in sectors such as oil & gas, power generation, chemical processing, and water treatment, MOVs play a crucial role in automating processes and improving operational efficiency. Common applications include regulating the flow of crude oil, natural gas, steam, and water in pipelines and processing units.
One of the key advantages of MOVs is their ability to be manually operated during power failures, ensuring operational continuity in emergency situations. For optimal performance and safety, proper installation by qualified professionals is essential.
Advance Valves offers a comprehensive range of MOV solutions in:
Butterfly Concentric Valves
Double Offset Butterfly Valves
Triple Offset Butterfly Valves
Key Specifications:
Size range: 2” to 100”
Pressure rating: up to ANSI Class 900
Suitable for both On/Off and Modulating control
Compatible with automation and control systems
MOVs provide a dependable, automated, and scalable solution for modern industrial flow control, enhancing safety, precision, and productivity across critical applications.
Control Valves – Precision Flow Regulation for Industrial Systems
Control valves are essential components used to regulate, control, and manipulate the flow of fluids such as water, steam, gas, or chemicals within a pipeline. They operate with the help of controllers and actuators, enabling accurate adjustment of flow rate, pressure, temperature, and level in industrial processes.
These valves are widely used across industries due to their ability to automate and optimize system performance. Control valves can be operated through electric, pneumatic, or hydraulic actuators, which provide the necessary force to position the valve precisely based on control signals. This ensures smooth and efficient operation of machinery and process systems.
Manufacturers offer a broad range of control valve types, including globe valves, butterfly valves, and ball valves, each suited for specific applications and operating conditions. Globe valves are ideal for precise throttling, butterfly valves are preferred for compact and cost-effective flow control, and ball valves are known for quick shut-off and durability.
Control valves play a critical role in process automation, helping maintain system stability, improve energy efficiency, and reduce operational costs. Their integration with advanced control systems allows real-time monitoring and adjustments, ensuring consistent output and enhanced safety.
With a strong focus on quality, reliability, and innovation, modern control valves are designed to meet the demanding requirements of industries such as oil & gas, power plants, chemical processing, water treatment, and HVAC systems.
ROSoV / Pneumatic On-Off Valves – Emergency Isolation & Safety Solution
Remotely Operated Shut-Off Valves (ROSoV) are critical safety devices used to quickly isolate plant systems handling hazardous fluids. Commonly referred to as Emergency Isolation Valves (EIV) or Emergency Shutdown Valves (ESDV), these valves play a vital role in protecting personnel, equipment, and the environment—especially in tank farms and process industries.
These valves are typically pneumatically actuated butterfly valves designed for On-Off operation, meaning they function in either fully open or fully closed positions. Equipped with failsafe actuation, ROSoV valves automatically move to a predefined safe position (open or close) during emergencies such as power or air failure, ensuring immediate shutdown when required.
Advance Valves offers ROSoV / On-Off valve solutions in a wide size range from 2” to 100”, with pressure ratings up to ANSI Class 900, making them suitable for various industrial applications. These valves can also be supplied with motorized actuators (MOVs) based on project requirements.
To enhance functionality and control, ROSoV valves can be integrated with multiple accessories, including:
Solenoid Valves for automated control
Air Filter Regulators (AFR) for clean and regulated air supply
Limit Switches for position feedback
Positioners for precise control
Communication protocols like MODBUS, Foundation Fieldbus, and Profibus for remote monitoring and automation
Key Advantages:
Rapid emergency shutdown capability
Reliable failsafe operation for hazardous applications
Simple On-Off functionality with minimal maintenance
Suitable for remote and automated control systems
High safety standards for critical process industries
ROSoV Pneumatic On-Off Valves are essential for industries such as oil & gas, petrochemicals, chemical processing, and storage facilities where quick isolation and operational safety are of utmost importance.
Nozzle Check Valves (NZ-Series) – Axial Flow, Zero-Leak Performance
Advance NZ-Series Nozzle Check Valves are a next-generation solution in non-return valve technology, engineered for critical applications requiring high efficiency, reliability, and zero leakage. These axially operated, non-slam valves are designed using advanced 3D modeling and computational fluid dynamics (CFD), validated through rigorous testing to ensure optimal performance in demanding conditions.
Unlike conventional check valves, the NZ-Series features a streamlined flow path with a specially engineered teardrop-shaped venturi design. This allows smooth, unrestricted fluid movement, resulting in higher flow rates and minimal pressure drop, which significantly reduces energy losses and improves overall system efficiency.
These valves operate automatically without the need for external actuation. Their quick response to flow reversal prevents backflow instantly, eliminating water hammer and ensuring silent, vibration-free operation. The metal-to-metal seating guarantees tight shut-off and zero seat leakage, making them ideal for high-pressure and high-temperature applications.
Built for durability, NZ-Series valves offer low failure rates, require virtually no maintenance, and ensure long service life even in large-scale gas and liquid pipeline systems.
Key Features:
Designed as per ANSI B16.34 standards
Axial flow, non-slam operation
Self-operated (no external power required)
High flow coefficient (Cv) with low pressure drop
Quick response to flow direction changes
Metal seated for tight, zero-leak shut-off
Standard double flanged body, other end connections available
Zero emission design
Maintenance-free and highly reliable
These nozzle check valves are ideal for critical process industries such as oil & gas, power generation, petrochemicals, and large HVAC systems where efficiency, safety, and performance are paramount.
Dual Plate Check Valves – High Efficiency Non-Return Solution
Dual Plate Check Valves are advanced non-return valves designed to overcome the limitations of traditional swing and lift check valves. With a compact, lightweight, and robust construction, these valves offer superior performance while occupying significantly less space in piping systems.
The valve features two spring-loaded plates mounted on a central hinge pin. As fluid flows, the plates open smoothly, and when the flow decreases, they close instantly using torsion spring action—without requiring reverse flow. This intelligent design ensures non-slam operation and completely eliminates water hammer effects, making it ideal for sensitive and high-performance systems. Due to its silent operation, it is also known as a Silent Check Valve or Wafer Check Valve.
Designed for versatility, these valves are suitable for a wide range of industries including oil & gas, petrochemical, HVAC, and power plants. They are available in both soft seated and metal-to-metal seated configurations, allowing use in low as well as extreme temperature and pressure conditions.
Key Features:
Size range from 2” to 120”
Pressure ratings from ANSI Class 125 to Class 2500
API 6A range from API 5000 to API 10000
Suitable for temperature range -196°C (cryogenic) to 900°C (fire-safe applications)
Available in Wafer, Double Flanged, Lugged, Butt Weld, Hub Ended, and RTJ designs
Optional Jacketed and Cladded body constructions
Fugitive emission-free, retainer-less design
Optimized spring for over 1 million cycles
Zero velocity non-slam closure
Eliminates valve-induced water hammer
Compliance with API 594, API 598, API 6D, BS 6364, API 6FA standards
Dual Plate Check Valves provide a reliable, maintenance-friendly, and energy-efficient solution for preventing backflow while ensuring smooth and quiet system operation.
Pre-Insulated Check Valves – Efficient & Ready-to-Install Flow Protection
Pre-Insulated Check Valves from Advance are designed to provide reliable backflow prevention while minimizing heat loss and installation effort in HVAC and industrial piping systems. These valves come with factory-applied insulation, eliminating the need for on-site insulation work and ensuring consistent thermal performance.
The insulation material used is Polyisocyanurate (PIR) with a density greater than 70 kg/m³, offering excellent thermal efficiency across a wide operating temperature range of -40°C to 120°C. The insulation is protected with a durable HDPE cladding, which safeguards against mechanical damage, moisture ingress, and peeling, thereby extending the lifespan of the valve system. Optional aluminium cladding is also available based on project requirements.
From a safety standpoint, the insulation meets Class P fire performance standards as per H5476 Part 5, with low flame spread and self-extinguishing properties. This makes the valves suitable for use in critical environments where fire safety is essential.
The design ensures that all mounting bolts are fully enclosed within the insulation, while still allowing standard flanges and fasteners to be used without modification. Bolts are tightened directly on the metal flange surface, maintaining proper joint integrity and simplifying installation.
Valve Range:
Dual Plate Check Valves
Sizes from 50 mm (2”) to 600 mm (24”)
These pre-insulated check valves provide a cost-effective, energy-efficient, and low-maintenance solution for modern HVAC systems, district cooling networks, and industrial applications requiring dependable flow control and thermal efficiency.
Butterfly Triple Eccentric / Offset Valves (TOBV) – High Performance & Fire-Safe Design
Triple Eccentric Butterfly Valves (TOBV) are advanced metal-to-metal seated valves engineered for both precise throttling and reliable positive isolation. Their unique triple offset design eliminates friction between the disc and seat during operation, ensuring smooth movement, minimal wear, and long service life. These valves are increasingly replacing conventional gate and ball valves due to their superior efficiency and compact construction.
The Advance BT series features a replaceable seat and seal configuration, which significantly reduces maintenance time and eliminates the need for spare valves. Designed for bi-directional flow, these valves provide tight, leak-proof shut-off and consistent performance even in high-pressure and high-temperature environments.
With quarter-turn operation, TOBV ensures quick response, easy handling, and low maintenance. Their robust metal-seated construction makes them intrinsically fire-safe and suitable for critical applications, including cryogenic and high-temperature services.
Key Features:
Size range: 3” to 100”
Pressure ratings: ANSI Class 300, 600 & 900
Temperature range: -196°C (Cryogenic) to 900°C (Fire-safe applications)
Metal-to-metal seating for high durability and fire safety
Bi-directional flow capability with zero-leakage performance
End connections: Wafer, Lugged, Flanged, Butt Weld
Special designs: Jacketed, Zero Leakage, Custom configurations
Compliance with API 609, API 598, API 607, BS 6364 standards
Compact design with low fugitive emissions (FE)
Suitable for large capacity and critical industrial applications
FAQs
1. Who manufactures triple offset butterfly valves in India?
Several reputed manufacturers produce TOBV in India, with Advance Valves being known for high-quality, engineered solutions for industrial and HVAC applications.
2. What is the difference between unidirectional and bidirectional valves?
Unidirectional valves allow flow in only one direction, whereas bidirectional valves can handle flow in both directions while maintaining proper sealing.
3. What is a soft seated butterfly valve?
A soft seated butterfly valve uses elastomeric materials like EPDM or PTFE for sealing, suitable for lower temperature and pressure applications.
4. What is the difference between a soft seat and a metal seat butterfly valve?
Soft seat valves provide tighter sealing at lower pressures but are limited in temperature range. Metal seat valves, like TOBV, can handle extreme temperatures and pressures, making them ideal for critical and harsh environments.
Triple Eccentric Butterfly Valves offer a reliable, efficient, and future-ready solution for industries requiring high performance, safety, and durability.
Butterfly Double Eccentric / Offset Valves – High Performance Flow Control
Advance Butterfly Double Eccentric (Offset) Valves are engineered for high-performance applications, offering superior sealing, durability, and operational efficiency. With years of expertise in advanced valve manufacturing, these valves are designed using modern engineering practices, including finite element stress analysis, ensuring excellent strength and long service life under demanding conditions.
The double eccentric design reduces friction between the disc and seat during operation, minimizing wear and enhancing sealing performance. This makes the valves ideal for applications requiring frequent operation and tight shut-off.
Available in a wide size range from 80 mm to 3000 mm (3” to 120”), these valves cater to diverse industrial requirements. They support pressure ratings from 10 Bar (Class 125) up to 20 Bar (Class 150) and are suitable for temperature ranges from -50°C to 205°C. Multiple end connection options—including wafer, lugged, flanged, and butt weld—ensure compatibility with various piping systems. Custom drilling standards are also available to meet European, American, and Asian specifications.
Key Features:
Double eccentric design for reduced wear and improved sealing
Sizes from 3” to 120” (80 mm to 3000 mm)
Pressure rating up to ANSI Class 150
Temperature range: -50°C to 205°C
End connections: Wafer, Lugged, Flanged, Butt Weld
Special designs available: Jacketed, Zero Leakage, Bi-directional
Sealing options: EPDM and PTFE
Compliance with API 609 & API 598 standards
Suitable for heavy-duty industrial applications
These valves are widely used in industries such as power plants, water treatment, oil & gas, and chemical processing, where reliability and performance are critical. Their robust design, flexibility, and precision engineering make them an ideal choice for modern flow control systems.
Quarter Turn Gate Valves / Butterfly Concentric Valves – Product Overview
Advanced Quarter Turn Gate Valves, commonly known as Butterfly Concentric Valves, are engineered to deliver an optimal balance of structural strength, flow efficiency, and reliable sealing. These valves feature a lightweight and compact design, making them easy to install and operate, even in space-constrained environments. With just a 90-degree (quarter turn) rotation, the valve can be fully opened or closed, ensuring quick and efficient flow control.
These valves are widely used in industries such as water treatment, chemical processing, and oil & gas due to their tight shut-off capability and simple design. Their temperature stability and availability in multiple sealing options make them suitable for a wide range of fluid applications.
Key Features:
“Fit & Forget” design with internally molded liner for long-term reliability
Available in sizes from 2” to 48”
Pressure rating up to ANSI Class 150
Operating temperature range from -50°C to 205°C
End connections available in Wafer, Lugged, and Flanged types
Multiple seal materials: EPDM, Buna-N, Viton
Manufactured as per API 609 & API 598 standards
Suitable for demanding applications including seawater and desalination plants
Compact, low-profile design ideal for tight spaces
Easy operation with minimal maintenance
FAQs
1. What is a quarter turn valve?
A quarter turn valve is a type of valve that requires only a 90-degree rotation of the handle or actuator to move from fully open to fully closed position. This makes operation quick, simple, and efficient.
2. What is the main advantage of a quarter turn valve?
The primary advantage is fast operation with minimal effort, along with reliable shut-off performance. Their simple design reduces maintenance needs and enhances durability, making them highly suitable for industrial and HVAC applications.
These valves offer a dependable, cost-effective, and user-friendly solution for fluid control systems across various industries.