L&T Valves

L&T Valves, one of the leading Butterfly Valve Manufacturers, is a prominent manufacturer of industrial valves, providing a diverse range of products that includes gate valves, globe valves, ball valves, check valves, and control valves. With a strong expertise in butterfly valves and other valve solutions, L&T Valves is renowned for delivering high-quality products to meet diverse industry needs. With a strong expertise in cryogenic valves and trunnion-mounted valves, L&T Valves is known for its high-quality and reliable solutions in the valve industry.Some of their notable valve solutions beyond design include:

1. HIPPS (High-Integrity Pressure Protection Systems): These systems are critical for safeguarding equipment and personnel by rapidly shutting off the flow of fluids in case of overpressure events. L&T Valves provides reliable HIPPS solutions to prevent potential accidents and protect assets.
2. Smart Valves: Leveraging advanced technologies, L&T Valves offers smart valves equipped with intelligent features such as remote monitoring, diagnostics, and predictive maintenance capabilities. These smart valves enhance operational efficiency and enable proactive maintenance.
3. Emergency Shutdown Valves: Ensuring rapid and precise shutdown during emergency situations, these valves play a crucial role in maintaining safety and preventing hazardous incidents in various industrial processes.
4. Oxygen Service / Clean Service Valves: L&T Valves manufactures valves suitable for oxygen service and other clean applications, where purity and stringent cleanliness standards are essential, such as in medical, pharmaceutical, and food industries.
5. Ultra High Pressure Valves: Meeting the demands of extreme pressure environments, L&T Valves provides robust solutions capable of handling ultra-high pressure conditions with precision and reliability.
6. Cryogenic & Low Emission Valves: These valves are designed to function efficiently at extremely low temperatures, making them suitable for cryogenic applications, such as LNG and other low-temperature processes. Additionally, they offer low emission valves to reduce environmental impact and comply with emission regulations.

Their advanced manufacturing facilities equipped with 5-axis machining centers and CNC machines allow precise fabrication of valves of various sizes and types. The company performs critical tests, including cryogenic testing for large-sized valves, pneumatic shell testing for high-pressure valves up to Class 2500, and high-pressure high-temperature testing for ultra-high-pressure valves.

L&T Valves’ commitment to environmental responsibility is evident through their ISO 14001 certified Environment Management System and their focus on occupational health and safety through the OHSAS 18001 certification. Butterfly Valve Manufacturers

With a comprehensive approach to customer support, L&T Valves offers installation and commissioning assistance, onsite training, as well as preventive and annual maintenance services. Their ValvTrac™ system enables digital traceability, efficient documentation, and asset management, providing enhanced value and reliability to their customers.

Gate Valves – Bolted Bonnet:

• Available in sizes from 2″ to 72″ (50 mm to 1800 mm) and ASME Class 150 to 2500.
• Design standards include API 600, API 603, and ASME B 16.34.
• Complies with API 600, Edition 13, and carries the API 600 monogram.
• Fugitive Emissions comply with API 624 and ISO 15848-1 (<50 ppm / Class AH leakage levels, optional).
• Tested to API 624 at Yarmouth Research Lab, Maine, USA, with body gasket leakage observed below 100 ppm on eight tested sizes (API 624 Annexure A).
• Fire Safe design and tested to API 607/ ISO 10497 standards.
• CE Marking meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H. Butterfly Valve Manufacturers
• PED Module B1 Design Examination Certificate (certified by DNV) available.
• Meets Atex Directive 94/9/EC (ATEX) for category 2 non-electrical equipment.
• Achieves SIL 3 Safety Integrity Level for Automated Valves and successfully tested to Shell Design Validation Test Procedure 77/300.

API 603 Stainless Steel Corrosion-Resistant Gate Valves with API Monogram:

• Integral body seat with in-situ hardfacing for Trim 12 and 16 valves.
• Features Flex Wedge to compensate for seat distortion and eliminate disc-jamming.
• Single-piece forged stem with T-head ensures superior strength.
• Body-bonnet Joint: Class 150 Globe Valves offered with square-shaped joints in size 2″ and oval-shaped joints in size 3″. Valves in other sizes and pressure classes have circular joints.
• Complies with API 624 and ISO 15848 fugitive emission requirements.

Globe Valves – Bolted Bonnet:

• Size: Available in sizes from 2″ to 20″ (50 mm to 500 mm) and ASME Class 150 to 2500.
• Design Standard: Compliant with API 623, BS 1873, and ASME B 16.34.
• Beyond Standards: Globe Valve design complies with API 623, featuring a higher stem diameter than BS 1873. Fugitive Emissions are within API 624 and ISO 15848-1 standards, offering leakage levels below 50 ppm or Class AH leakage levels (optional). Globe Valves are tested to API 624 at Yarmouth Research Lab in Maine, USA. They are fire-safe by design and tested according to API 607/ISO 10497. These valves meet the requirements of CE Marking, Pressure Equipment Directive 2014/68/EU, Annexure III, Module H, and hold the PED Module B1 Design Examination Certificate (certified by DNV). Additionally, they meet Atex Directive 94/9/EC for category 2 non-electrical equipment and achieve SIL3 Safety Integrity Level for Automated Valves. Globe valves have also passed the Shell Design Validation Test Procedure 77/300 under the supervision of Shell Inspectors.

Features that Add Value:

• Body Guided disc in all sizes and classes provide disc stability and prevent vibration of the disc-disc nut assembly.
• Non-rotating rising stem design (2″ and above) reduces valve torque by 20-30% compared to Rotating rising stem globe valves.
• In-situ seat design is implemented in all globe valves.
• Inconel overlay cladded option is available for cost-effective solutions.

Versatile Solutions:

• Globe Valves are offered in Y-Globe, Bellows-sealed, FBE/ Fusion-bonded Epoxy Lined, and Steam-Jacketed options.
• ValvTrac™ RFID tagging is available for reliable digital traceability.

Stainless Steel Corrosion-Resistant Globe Valves:

Special Features:

• Integral body seat and in-situ hardfacing provided for Trim 12 and 16 valves.
• Non-Rotating Rising-Stem design reduces operating torque.
• Globe Valve stem-disc connection allows the disc to swivel and align for better sealing.
• Guided disc feature avoids vibration during throttling.
• Body-bonnet Joint: Class 150 Globe Valves offered with square-shaped body-bonnet joints in size 2″ and oval-shaped joints in size 3″. Valves in other sizes and pressure classes have circular body-bonnet joints.
• Compliance: Meets API 624 and ISO 15848 fugitive emission requirements.

Check Valves – Bolted Bonnet:

• Size: Available in sizes from 2″ to 48″ (50 mm to 1200 mm) and ASME Class 150 to 2500.
• Design Standard: Compliant with BS 1868, API 594, and ASME B 16.34.
• Beyond Standards: Check Valve design complies with BS 1868 and API 594, and features the API monogram. It also meets ISO 15848-1 standards for fugitive emissions below 50 ppm. Additionally, the valves are compliant with Annex III Module H of Pressure Equipment Directive 2014/68/EU. They have been successfully tested to Shell 77/300 and witnessed by Shell Inspectors.

Features that Add Value:

• Internal hinge design eliminates leakage path and there are no holes in the body, enhancing the valve’s performance.
• Inconel overlay/cladded option available for added durability and corrosion resistance.

Versatile Solutions:

• Swing check valves offered with damper arrangement for non-slam applications.
• Various options include Tilting Disc Check Valve, Axial Flow Check Valve, Stop Check Valve, Lift Check Valve, Steam Jacketed, and FBE/Fusion-bonded Epoxy Lined Valves. These valves provide versatile solutions for different flow requirements.
• ValvTrac™ RFID tags ensure reliable digital traceability.

Stainless Steel Corrosion-Resistant Check Valves: Special Features:

• Integral body seat and in-situ hardfacing provided for Trim 12 and 16 valves, ensuring robustness and longevity.
• Internal hinge design eliminates additional leakage path, enhancing overall valve performance.
• Body-bonnet Joint: Class 150 Check Valves offered with square-shaped body-bonnet joints in size 2″ and oval-shaped joints in size 3″. Valves in other sizes and pressure classes have circular body-bonnet joints.

Tilting Disc Check Valves:

• The disc has a pivot axis closer to the flow-bore center-line compared with Swing Check Valves.
• Disc seats against a conical surface on the seat ring, making it suitable for pulsating flow and fluids with particulates.
• Exhibits low susceptibility to water hammer.

Axial Flow Check Valves:

• Flow forces the disc open against spring force; when the flow is reversed, the spring quickly closes the valve by forcing the disc against a seat.
• Offers lower pressure drop, lower reverse flows, and low slamming, making it a reliable choice for various applications.

Cryogenic Valves – Gate, Globe & Check Valves:

Gate Valves:

• Size: Available in sizes from 2″ to 54″ (50 mm to 1350 mm) and ASME Class 150 to 2500.
• Design Standards: Compliant with API 600, ASME B16.34, BS 6364, and ISO 28921.

Globe Valves:

• Size: Available in sizes from 2″ to 24″ (50 mm to 600 mm) and ASME Class 150 to 600.
• Design Standards: Compliant with API 623, BS 1873, ASME B16.34, BS 6364, and ISO 28921.

Check Valves:

• Size: Available in sizes from 2″ to 36″ (50 mm to 900 mm) and ASME Class 150 to 2500.
• Design Standards: Compliant with API 594, BS 1868, ASME B16.34, BS 6364, and ISO 28921.

Beyond Standards:

• Fugitive Emissions: Complies with ISO 15848-1, meeting Endurance class CO2 and Tightness class BH requirements.
• Cryogenic Testing: Valves tested at -196 degrees Celsius as per BS 6364. In-house facility available for valves up to 60″.
• Safety: Achieves SIL3 Safety Integrity Level for Automated Valves and successfully tested to Shell Design Validation Test Procedure 77/300 under the supervision of Shell Inspectors.
• Optional Tests: EN 12567 Annex A (Thermal Shock Test) and Annex B (Endurance Test) are offered.

Features that Add Value:

• Bonnet Extension: Extension column keeps packing rings away from cryogenic temperatures, maintaining operational efficiency.
• Thermal Stabilization Treatment: Conducted on body and obturator to ensure dimensional stability and avoid distortion during temperature cycles.
• Cavity Relief Pressure Arrangement: Prevents thermal effects and ensures smooth operation.
• Hardfaced Seat and Disc: Prevents seizing and galling, enhancing the longevity of the valves.

Versatile Solutions:

• Wide Range of Metallurgies: Available for a variety of low-temperature applications.
• ValvTrac™ RFID tags enable reliable digital traceability for enhanced valve monitoring and tracking.

Bellows-sealed Gate and Globe Valves

Size:

• Gate Valves: Available in sizes from 2″ to 30″ (50 mm to 750 mm) and ASME Class 150 to 600.
• Globe Valves: Offered in sizes from 2” to 12” (50 mm to 300 mm) and ASME Class 150 to 600.

Design Standards:

• API 600 for Gate Valves, API 623 for Globe Valves, and MSS SP-117.

Beyond Standards:

• Fugitive Emissions: Complies with ISO 15848-1: 2006 Class AH leakage standards, ensuring minimal leakage levels.
• Safety: Achieves SIL3 Safety Integrity Level for Automated Valves, ensuring high reliability.
• Bellows Lifecycle: Designed according to MSS SP-117, guaranteeing extended durability.

Features that Add Value:

• Metal Bellows Seal: Provides an added layer of protection for the moving stem, increasing the durability of packed stem seal valves.
• Barrier Function: The bellows act as a barrier between the stem and the process fluid within the valve, eliminating stem leakage.
• Anti-Rotation Device: Ensures the bellows remain stable during assembly, disassembly, and vibration, preventing twisting.
• Leak Testing: Bellow-sealed valves undergo precise leak testing using a mass spectrometer to detect leakage rates below 1x10E-06 std.cc/sec.
• Safety Backup: Bellow-sealed bonnets are backed up with a standard stem packing set and a leakage monitoring port, preventing hazardous fluid release in case of a bellows leak.

Versatile Solutions:

• ValvTrac™ RFID tags offer reliable digital traceability for enhanced valve monitoring and tracking.

Trunnion-mounted Ball Valves:

Size:

• Available in sizes from 2″ to 56″ (50 mm to 1400 mm) and ASME Class 150 to 2500.
• Design Standard: Compliant with API 6D. Butterfly Valve Manufacturers

Beyond Standards:

• Trunnion-mounted Ball Valve design complies with API 6D and features the API 6D monogram.
• Fugitive Emissions: Soft and Metal seated valves comply with ISO 15848-1, Class AH, and BH standards.
• Stem Seal Configurations: Tested to API 622 at Yarmouth Research labs in Maine, USA.
• Firesafe Design: Tested to API 607 and API 6FA to ensure reliable performance in fire conditions.
• Safety Certifications: Achieves SIL3 Safety Integrity Level certification to IEC 61508, certified by Exida/TUV.
• Shell Integrity Test: Pneumatic shell test conducted at 1.1 times rated pressure when required.

Features that Add Value:

• Double Block and Bleed (DBB) Feature: Valves are designed and tested for automatic cavity relief, enhancing safety.
• Anti-Blowout Stem Design: Ensures the stem remains securely in place during operation.
• Coil Springs: Used for consistent seat loading and lower operating torque, improving valve performance.
• Lip Seals: Provided for low-temperature services, ensuring reliable sealing in extreme conditions.
• Stem and Body Joint Sealing: Features a 2/3 stage Stem and 2 stage Body Joint sealing system with Primary O ring and Secondary graphite (in 3 stage stem, thrust washer is primary). For tight shut-off requirements, Double Piston Effect (DPE) seats are provided for sealing redundancy.

Versatile Solutions:

• Wide Portfolio: Offers a wide range of Side-entry and Top-entry designs.
• Options: Available for Buried service and Cryogenic applications.
• Actuator Options: Valves can be operated with Electric, Pneumatic, and Hydraulic Actuators.
• In-house Tests Capabilities: Includes Cryogenic Test, Pipe Bending Test, Vacuum Test, and Fast Closure Test.
• ValvTrac™ RFID Tagging: Offered for reliable digital traceability, enhancing valve monitoring and tracking.

Trunnion-mounted Ball Valves – Top-entry Design: Special Features:

• Accessibility: All valve internals are accessible from the top, enabling in-line valve maintenance without disassembling the valve from the pipeline.
• Reduced Maintenance Downtime: Reduces downtime during maintenance procedures.
• Pipeline Stress: Body cover joint is not exposed to pipeline stresses, ensuring structural integrity and longevity.

Floating Ball Valves Butterfly Valve Manufacturers

Size:

• Available in sizes ranging from ¼” to 8″ (8 mm to 200 mm).
• ASME Class: Covers Class 150 to 2500.

Design Standard:

• Conforms to ISO 17292, API 608, and API 6D.

Description: L&T Valves offers a versatile range of Process Ball Valves in single, two, and three-piece constructions. These valves are designed to meet diverse customer requirements and are available in full-bore and regular-bore designs with various end connections and materials.

Salient Features:

• Fire-Safe Design: Compliant with ISO 10497 and API 607 standards, ensuring reliable performance during fire incidents.
• High-Quality Ball: Mirror-finished solid stainless steel ball for enhanced sealing.
• Resilient Seats: Fine-grained PTFE seats provide a tight and durable seal.
• Cavity Pressure Relief: Mechanism prevents excessive pressure buildup within the valve.
• Stem Safety: Features a blowout-proof stem for added safety during operation.
• Stem Sealing: High integrity stem sealing with Belleville springs to compensate for wear and thermal expansions.
• Antistatic Feature: Prevents static buildup during valve operation.
• Actuator Compatibility: Actuator-mounting flange conforms to ISO 5211 standards for easy automation.
• SIL3 Safety Integrity Level: Achieves SIL3 certification for Automated Valves, indicating high safety standards.

Versatile Range:

• Construction Options: Available in single, two, and three-piece constructions to suit different applications.
• Bore Designs: Offered in full-bore and regular-bore designs for varied flow requirements.
• Seating Options: Soft and metal-seated variations to accommodate different media and conditions.
• Material Choices: Manufactured using carbon steel, stainless steel, and duplex stainless steels to meet specific application needs.
• End Connections: Available with screwed, socket-weld, and flanged ends for easy installation.
• Wide Pressure Range: Covers ASME classes up to 2500, suitable for various pressure conditions.
• Actuation Options: Provides a variety of actuation options for automation based on operational requirements.

Titanium Valves Butterfly Valve Manufacturers

Titanium Valves are a type of valves made from titanium, a strong and lightweight metal known for its excellent corrosion resistance, high strength-to-weight ratio, and biocompatibility. These valves are used in various industries and applications where resistance to aggressive environments and weight reduction are essential.

Key Features of Titanium Valves:

1. Corrosion Resistance: Titanium valves exhibit outstanding resistance to corrosion, making them suitable for applications involving harsh chemicals, acids, and seawater.
2. Lightweight: Titanium is one of the lightest metals, contributing to the overall weight reduction of systems and equipment.
3. High Strength: Despite its low weight, titanium maintains high mechanical strength, providing durability and reliability in demanding conditions.
4. Biocompatibility: Titanium is biocompatible, making it suitable for use in medical implants and devices.
5. Temperature Resistance: Titanium valves can handle a wide range of temperatures, making them suitable for both high and low-temperature applications.
6. Low Thermal Expansion: Titanium’s low thermal expansion coefficient ensures dimensional stability in varying temperature environments.

Applications of Titanium Valves:

• Petrochemical and Chemical Industries: Titanium valves are used in processes involving aggressive chemicals, acids, and corrosive media.
• Oil and Gas: In offshore and subsea applications, where resistance to seawater and harsh environments is crucial, titanium valves find usage.
• Desalination Plants: Titanium valves are well-suited for use in desalination plants due to their resistance to saline environments.
• Aerospace and Defense: Titanium valves are used in aerospace and defense applications where weight reduction is critical.
• Medical Industry: Titanium valves are employed in medical implants, surgical instruments, and devices due to their biocompatibility.
• Marine and Shipbuilding: For marine applications, such as seawater handling and shipboard systems, titanium valves are preferred.
• Nuclear Industry: Titanium valves are utilized in nuclear power plants for their resistance to radiation and corrosive coolants.

Valves for PTA Butterfly Valve Manufacturers

PTA, or Purified Terephthalic Acid, is an important chemical used in the production of polyester fibers, films, and resins. Valves used in the PTA manufacturing process need to meet specific requirements to handle the corrosive and high-temperature conditions involved. Here are some key considerations for valves used in PTA applications:

1. Material Selection: Valves for PTA should be made from corrosion-resistant materials such as stainless steel (e.g., 316L or 904L), nickel alloys (e.g., Hastelloy), or titanium. These materials can withstand the aggressive chemicals and high-temperature conditions encountered in the PTA production process.
2. Sealing Mechanism: Valves should have reliable and tight sealing mechanisms to prevent leakage and ensure process integrity. Soft-seated or metal-seated valves, depending on the application, are commonly used.
3. High Temperature Resistance: PTA production involves high-temperature processes. Valves should be designed to withstand elevated temperatures without compromising their integrity.
4. Corrosion Resistance: PTA manufacturing processes involve corrosive media. Valves must be resistant to chemical attack and not undergo degradation over time.
5. Fire-Safe Design: In critical applications, fire-safe valves are recommended to maintain process safety during emergency situations.
6. Tight Shut-Off: Valves should offer tight shut-off capabilities to control and regulate the flow of PTA effectively.
7. Actuation and Automation: Depending on the process requirements, valves may need to be equipped with actuators for automated control and monitoring.
8. Compliance with Standards: Valves used in PTA applications should adhere to relevant industry standards and specifications to ensure their reliability and safety.
9. Maintenance and Reliability: PTA plants often operate continuously, so valves should be designed for easy maintenance and offer high reliability to minimize downtime.

Due to the critical nature of PTA production and the challenging conditions involved, it is crucial to work closely with valve manufacturers or suppliers with expertise in handling corrosive and high-temperature applications to select the most suitable valves for the specific PTA process.

Triple-offset Butterfly Valves Butterfly Valve Manufacturers

Size:

• Available in sizes ranging from 3″ to 100″ (80 mm to 2500 mm).
• ASME Class: Covers Class 150 to 1500.

Design Standard:

• Compliant with API 609 Cat B.

Description: Triple-offset Butterfly Valves are a versatile solution for various applications. They offer excellent performance and reliability, minimizing seat-seal contact for lower operating torque and reduced ownership costs. The valves are compact, lightweight, and provide bubble-tight sealing.

Beyond Standards:

• Design Compliance: Valves adhere to API 609 standards and come with the API 609 monogram.
• Short and Long-Pattern Options: A wide portfolio includes Short-pattern and Long-pattern valves to suit different installation requirements.
• Design Validation Test: A 12″ Class 150 valve successfully completed 10,000 cycles to ensure durability.
• Fugitive Emissions: Complies with ISO 15848-1 Endurance Class CO2 and Tightness Class AH for emission control.
• Fire-Safe Design: Meets API 607/ISO 10497 standards for fire-safe operation in preferred and non-preferred directions.
• API RP 591 Test: 12″ Class 150 Triple-offset Butterfly Valve tested at Element Lab, USA, as per API RP 591.
• Safety Certifications: Holds SIL3 Safety Integrity Level certification to IEC 61508, ensuring high safety standards.
• Compliance and Certification: CE Marking, PED Module B1 Design examination certificate (certified by DNV), and ATEX compliance for non-electrical equipment.

Features that Add Value:

• Triple-offset Geometry: Minimizes seat-seal contact, resulting in lower operating torque and reduced ownership costs.
• Compact and Lightweight: Compared to gate valves of the same size, triple-offset butterfly valves are more compact and lightweight.
• Sealing Mechanism: Hard-faced in-situ body seat and flexible laminar seal ensure bubble-tight sealing.
• Anti Blow-Out Shaft: Equipped with a single-piece anti-blowout shaft for enhanced safety during operation.
• Disc Contour: Designed to reduce turbulence and pressure drop for smoother flow control.
• Retainer Bolting: Complies with ASME Section VIII Div 1 Appendix 2 for secure valve assembly.

Versatile Solutions:

• Options: Available in High Temperature, Cryogenic, FBE-lined, and Steam-jacketed configurations to meet various process requirements.
• Actuation: Can be equipped with Electric, Pneumatic, and Hydraulic Actuators for automated control.
• In-house Testing: Capabilities include Cryogenic Test, Pipe Bending Test, Vacuum Test, and Fast Closure Test.
• ValvTrac™ RFID Tags: Offered for reliable digital traceability, enabling efficient valve monitoring and tracking.

Aquaseal Elastomer-lined Butterfly Valves

Size:

• Available in sizes ranging from 2″ to 36” (50 mm to 900 mm).

Pressure Rating:

• Covers PN10, PN16, PN25, and Class 150.

Design Standard:

• Compliant with API 609 Cat A, EN 593 (BS 5155), and MSS SP 67.

Description: L&T Valves manufactures Aquaseal Elastomer-lined Butterfly Valves, offering a wide range of pressure classes, body styles, materials, and actuation options to meet diverse requirements in process and utility lines. The core of the Aquaseal Butterfly Valve features an in-situ moulded integral elastomer seat, ensuring superior performance and extended service life compared to valves with loose liners. The Aquaseal Valve requires no maintenance and can be installed as a fit-and-forget solution.

Salient Features:

• Enhanced Reliability and Longer Service Life: The integral elastomer seat design ensures better performance and extended lifespan of the valve.
• Tight Sealing and Low Torque: Provides consistent and reliable sealing with minimal torque requirements.
• Assured Shaft Sealing: Ensures leak-free operation with positive shaft-disc connection.
• Blowout-Proof Shaft: One-piece construction of the shaft ensures safety during operation.
• Contoured Disc: Lowers resistance to flow, enhancing the valve’s efficiency.
• Ease of Installation: The valve is easy to install and set up in various systems.
• Integral Actuator Mounting Platform: Allows convenient and direct mounting of actuators for automated control.

Versatile Range:

• Pressure Ratings: Available in PN10, PN16, PN25, and Class 150 to suit different system requirements.
• End Connections: Offered in Wafer, Lugged, and Flanged types to facilitate easy integration into pipelines.
• Body Materials: Available in Cast Iron, SG Iron, Carbon Steel, SS 304/ CF8, and SS 316/ CF8M to suit the specific application’s needs.
• Elastomer Options: Provides a choice of Black/White Nitrile, EPDM, Viton, Hypalon, and Silicon for compatibility with different media.
• Specials: Long Neck and Extended Stem options are available for specific applications.

The Aquaseal Elastomer-lined Butterfly Valves from L&T Valves are a reliable and durable solution for various process and utility applications, offering excellent performance and ease of maintenance-free operation.

Aquaseal Max Fabricated Steel Butterfly Valves:

Size:

• Available in sizes ranging from 6″ to 120” (150 mm to 3000 mm).

Pressure Rating:

• Covers PN6, PN10, and PN16.

Design Standard:

• Compliant with AWWA C 504, AWWA C 516, EN 593, and ISO 5752.

Description: Aquaseal Max is a fabricated steel butterfly valve designed as an alternative to cast iron butterfly and sluice valves in water distribution systems. This highly reliable valve is also suitable for various applications, including power plants, utility and fire water lines, and HVAC systems. Customized Aquaseal Max can be adapted to handle air, gases, and vacuum services. The valve has successfully undergone Proof of Design (POD) testing as per AWWA C 504 and AWWA C 516 standards.

Key Feature: The Aquaseal Max Fabricated Steel Butterfly Valve boasts a Self-energizing Disc Seal, utilizing line pressure to provide bi-directional bubble-tight sealing, ensuring reliable sealing in both directions.

Salient Features:

• Self-energizing Disc Seal: Offers bi-directional bubble-tight sealing, enhancing valve performance.
• Assured Sealing to Atmosphere: Ensures reliable sealing even when subjected to varying atmospheric conditions.
• Lighter and Stronger Construction: The fabricated steel design provides a balance of lightweight and robustness.
• Lower Torque and Longer Life: Reduces operating torque, leading to extended valve lifespan.
• Maintenance-free Bearings: Bearings require no maintenance, contributing to hassle-free operation.

Versatile Range:

• Pressure Ratings: Available in PN6, PN10, and PN16 to accommodate different system requirements.
• Body Materials: Offers a choice of Carbon Steel IS 2062, A 516 Gr.70, SS 304, and SS 316 to suit specific applications.
• Seat Options: Provides seat materials such as Nitrile Rubber, EPDM, and Viton for compatibility with various media.
• Specials: Ebonite-lined valves are available for sea water applications. Special sealing systems cater to vacuum services, while Butt-weld ends offer specific connection options.

The Aquaseal Max Fabricated Steel Butterfly Valve is a reliable and versatile solution, offering self-energizing sealing technology for enhanced performance and assurance in water distribution systems and various other industrial applications.

Dual-plate Check Valves Butterfly Valve Manufacturers

Aquaseal Check Valve is a soft-seated dual-plate check valve designed to adhere to API 594 standards. This valve, featuring a cast iron body, is available in sizes ranging from 2” (50 mm) to 12” (300 mm) and is offered in PN 10, PN 16, and ASME Class 125 pressure ratings.

Features & Benefits:

• Patented Retainer-less Design: Ensures high-integrity sealing and facilitates quick disassembly at the site for maintenance purposes.
• Two Independent Seats: Provides consistent sealing even in uneven flow conditions, enhancing valve performance.
• Raised Profile Soft Seat: Improves the sealing efficiency of the valve during operation.
• Integrally Moulded Liner: Enhances the durability and reliability of the valve.
• Stopper Pin: Prevents the discs from making contact with each other, minimizing the risk of disc damage and ensuring the spring’s longevity by limiting disc travel beyond the full-open position.
• Lifting Eyebolt Option (for sizes 6” and above): Offers ease of handling during installation and maintenance.
• Drain Connections (Provided on Demand): Allows for easy draining when required.

The Aquaseal Check Valve is a reliable and efficient solution for preventing backflow in pipelines. Its innovative design and sturdy construction make it suitable for various applications, ensuring consistent sealing performance and ease of maintenance.

Double Block & Bleed Plug Valves

L&T Valves offers a range of Double Block & Bleed Plug Valves designed to comply with API 6D standards. These valves are available in sizes from 2″ to 42″ (50 mm to 1050 mm) and ASME Class 150 to 600 pressure ratings. Butterfly Valve Manufacturers

Beyond Standards:

• The design fully complies with API 6D standards and is offered with the API 6D monogram for quality assurance.
• Fugitive emissions are minimized, conforming to ISO 15848-1 requirements.
• The valves meet fire safety standards according to API 607/ ISO 10497.
• They carry the CE Marking, meeting the requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H.
• A PED Module B1 Design Examination Certificate, certified by DNV, is available.
• The valves are ATEX certified, meeting the requirements of Atex Directive 94/9/EC (ATEX), for category 2 non-electrical equipment.
• The SIL3 certification ensures a high level of safety integrity, compliant with IEC 61508 standards.

Features that Add Value:

• L&T Valves’ Double Block & Bleed Plug Valve offers online-verifiable bubble-tight sealing, serving as a reliable replacement for conventional two-valve systems.
• The valve provides a high-integrity positive shut-off independent of line pressure without the need for sealants or lubricants. Butterfly Valve Manufacturers
• Mechanical sealing ensures positive double isolation for critical services, promoting safety and reliability. Butterfly Valve Manufacturers
• The patented operator mechanism enables segments to move toward the seats during valve operation, reducing wear and tear and enhancing service life.
• An inbuilt cavity pressure relief system further ensures safety and performance.
• The valves feature Inline Maintainable Seats, allowing for seat renewal without removing the valve from the pipeline (after draining and isolating the line). Butterfly Valve Manufacturers

Versatile Solutions:

• The Double Block & Bleed Plug Valves come with various options to suit different applications, including high-temperature, cryogenic, FBE-lined, and steam-jacketed valves.
• ValvTrac™ RFID tags are provided for reliable digital traceability, ensuring easy tracking and maintenance. Butterfly Valve Manufacturers

L & T Valves
R Krishna Kumar
Head – India Sales
L&T Campus, TC-1, 2nd Floor
Mount – Poonamallee Road
Manapakkam, Chennai – 600 089

Tel: +91 98415 67771
e-Mail: krishnakumar@lntvalves.com

https://www.lntvalves.com/

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