Larsen & Toubro Limited

L&T offers all critical equipment and systems for oil & gas projects. Having successfully executed orders for large tubular reactors (1500 MT), L&T is geared and qualified to take up the challenge of manufacturing the futuristic gas-to-liquid reactors for the oil & gas sector, in addition to traditional products such as test and production separators (separate or skid-mounted).

L&T markets High Pressure reciprocating pumps from Gardner Denver, USA, packaged skid-mounted / mobile pumping systems for crude transportation, well-servicing and wireline winches for oilfield duties.

L&T offers complete condensing and feed heating systems. It supplies balance of plant in the turbine island (other than turbine generator) which includes equipment like :

• Circular Surface Condensers
• Rectangular Surface Condensers
• HP Feed Water Heaters
• LP Feed Water Heaters
• Deaerators

The equipment are interconnected with high pressure piping, valves, instruments, controls & auxiliary sub-system.  Heavy Engineering also manufactures turbo generator components like LP Hoods & Casing and Stator Frames for large steam turbines & turbo generator components for hydro turbines.

A pioneer in the field of manufacturing technology development, equipment manufacture and site / plant services for the Indian nuclear power plant program, L&T is a recipient of the prestigious ‘INS Industrial Excellence Award’ for outstanding contribution in the nuclear power plant sector.

L&T has been accredited by ASME to use ‘N’ and ‘NPT’ stamps for construction of class 1, 2, 3 & MC vessels, class 1, 2, 3 piping systems, class 2 & 3 storage tanks, class CS core support structures & class 1, 2 & 3 shop assemblies and to supply ferrous and non-ferrous material as Material Organization (MO).

L&T manufactures reactor vessels for Pressurized Heavy Water Reactors (PHWRs) and Fast Breeder Reactors (FBRs) designed technology and critical equipment & systems for heavy water plants, fuel re-processing plants and plasma reactors.

L&T’s product range includes Steam Generator Assemblies (SGA), end shields, calandria, reactor roof slabs, Control Rod Drive Mechanisms (CRDMs), SS thermal insulation panels, primary heat transport systems, fuel rod sub-assemblies, fuel transfer arms, fuelling machine carriages and trolleys, steam separators / mist eliminators, heavy water upgrading columns, exchange unit towers and internals, high-pressure heat exchangers, high and low level waste storage tanks and special equipment for in-service inspection.

L&T offers onsite integration and installation of massive structure of reactor main vessel, reactor safety vessel, end shield, calandria, coolant channels assembly and reactivity devices for new and operating plants. Life extension services for existing PHWRs include in service inspection and coolant channel replacement for operating nuclear power plants.

L&T is actively involved in the prestigious International Thermonuclear Experi-mental Reactor (ITER) project.

The product range comprises reactors, vessels, heat exchangers and equipment for various services including high-pressure, high-temperature, hydrogen service, cryogenic application, etc.

Major equipment supplied include multi wall  reactors, ‘Pacol’ and ‘Hydro bon’ reactors, polypropylene and polyethylene reactors, transfer line and ultra-sensitive exchangers and continuous polymer-ization reactors / finishers, methanol converters, heli-towers, bayonet-type heat exchangers, screw-plug exchangers and a range of high pressure heat exchangers and pressure vessels and equipment for cryogenic application. 

The process /  thermal and mechanical design of all heat transfer equipment is also carried out with in-house developed software including Finite Element Analysis, detailed FIV analysis and also members of HTRI and HTFS.

Process Experience :

L&T's Heavy Engineering has contributed significantly to the growth of the Fertiliser industry in India and abroad. It has supplied critical Equipment for over 50 Ammonia and Urea projects.

The product range comprises reactors, vessels, heat exchangers and equipment for various services including high-pressure, high-temperature, hydrogen service, etc. Major equipment supplied include process gas waste heat boilers, steam drums and super heaters, multi-wall converters / reactors, converter baskets, urea reactors, carbamate condensers, urea strippers, and a range of high pressure heat exchangers and pressure vessels and equipment for fertilizer plants. Thermal and mechanical design of all heat transfer equipment is also carried out with in-house developed software including Finite Element Analysis, detailed FIV analysis and also members of HTRI and HTFS

Fabrication is carried out at ASME-approved workshops in Mumbai, Hazira&Ranoli. These workshops have also secured ISO 9001:2000 Certification. Hazira Works near Surat has a water-front load-out facility.

Process Experience  : FERTILIZER

Ammonia : HTAS, KBR, Uhde, Ammonia Casale, Linde, ICI

Urea: Saipem, Toyo, Stamicarbon, Urea Casale, Uhde

With rising cost of oil and natural gas, Syn-gas from coal gasification is becoming a cost-effective alternative feedstock for fertilizers, chemicals (methanol, etc.), power and coal liquefaction plants.

L&T manufactures and supplies key Coal Gasification Equipment -- coal gasifiers and syngas coolers -- under a technical tie-up with Shell Global Solutions, The Netherlands. These find application in power plants and a wide variety of process plants such as ammonia, methanol and wherever synthesis gas is required.

For coal gasification projects, Heavy Engineering will supply and integrate outer pressure vessel with internal Gasifier & Syngas cooler components, carry out hydro testing, apply refractory, assist in erection of equipment on to the structure at site and weld (in-situ) golden seams.

L&T offers design, manufacture and supply of components, subsystems and systems for aerospace applications. L&T’s precision   manufacturing   facilities   are geared to meet the exacting demands of aerospace manufacture. State-of-the-art facilities give L&T the capability to achieve high accuracy levels in the manufacture of systems and subsystems of satellites and launch vehicles in metals and in advanced composites.

L&T carries out in-house development of welding procedures for exotic materials and special machining processes for space application.

L&T’s range includes rocket motor casings, convergent and divergent nozzles, titanium gas bottles for liquid stages, titanium tanks for liquid upper stages for launch vehicles; solar array deployment mechanisms for satellites; and jigs and fixtures for critical applications. L&T is gearing up for larger participation in space programs and for manufacture of sub-assemblies, systems and sub-systems for aircraft.

L&T introduces 'Ultimo', a complete new range of low tension AC motors; Ultimo is suitable for various market segments namely Industry, OEM, Energy & Infrastructure, Buildings and Agriculture. These power-packed motors with innovative manufacturing techniques enable high performance, energy efficiency and sustainability. Ultimo (IE2 & IE3) series is an energy efficient solution by L&T to save energy, protect environment and enhance profits. These motors comply with new efficiency requirement of latest IS12615-2011 and IEC600034-30 standard. Ultimo covers range from 0.37 kW to 375 kW in Heavy duty construction with low noise and corrosion resistance finish.

• High Efficiency "IE2" Motors as per IS12615-2011

  Range – Upto 375 KW

• LTP Series

  High Efficiency "IE3" Motors as per IS12615-2011

  Range – Upto 375 KW

• LTI Series

  Inverter Duty Motors with Forced Cooling (IC 416)

  Range – Upto 630 KW

• LTK Series

  Crane Duty Motors (Safe Area / Flameproof)

  Also available Flameproof Brake Motors

  Range- Upto 132 KW

Special Motors

Roller Table Motors, AC Lam Yoke Motors, Single Phase Motors, Geared Motors etc

We have been issued industrial licenses for a wide range of products, after Government of India’s decision to open up Defence production to the private sector. The licenses issued cover design, development, construction/ manufacturing and assembly of :

• Warships, Submarines, Weapon platforms (off-shore, floating and submerged), High-speed boats and crafts etc.
• Radars, Sonar systems, associated subsystems, Electronic Warfare equipment and System Sensors.
• Arms and Armament including Weapon Launchers.
• Armored and Combat vehicles, including associated systems, sub-systems such as Turrets, Turret mounts, Bridge laying systems on tanks, etc.
• Airborne assembly systems & equipment for Aircrafts, Helicopters and Unmanned Aerial Vehicles (UAV) and equipment for aviation sector

INTEGRATED NAVAL ENGINEERING EQUIPMENT & SYSTEMS

• Steering Gear & Fin Stabilizer with associated controls
• Stern Gear Systems including Propulsion/Shafting systems
• Helicopter Landing Grids /Traversing Systems/ Hanger Shutters
• Degaussing systems
• Electrical Switchboards/EDC/APMS/

INTEGRATED LAND BASED SYSTEMS

• Weapon Launch Systems
• Bridging Systems
• Air Defence & Artillery Systems
• Mobile Radars

MISSILE SYSTEMS

• Composite Systems and Sub Systems
• Metallic Systems and Sub Systems

Complete Naval Vessels

• OPV
• Corvettes
• Frigates
• Midgets
• Submarines