Powai India

Powai


Powai Works was the first manufacturing plant of L&T Heavy Engineering. It is among the world’s top fabrication facilities with processes streamlined to achieve high efficiency and benchmarked to the latest technologies; catering to precision equipment manufacturing for Process Plant, Nuclear, Aerospace & Defence industries.

Powai has an ASME approved workshop with U, U2, S, R, N and NPT stamps:

  • Site Area: 385,000 sq. m
  • Shop Area: 37,500 sq. m.
  • 2500 strong highly skilled workforce

The shops can handle equipment of 4.6m diameter x 55m length, weighing up to 400 MT.

About 70% of the products manufactured here are exported. The shops have the capacity to manufacture equipment in mono/multi-wall constructions, with materials ranging from carbon steel, stainless steels, monels to titanium, high-nickel alloys, CrMoV alloy steels and high strength creep resistant maraging steels for the aerospace industry.

The shops are equipped with sophisticated facilities for fabrication, machining, handling and quality control. Fabrication facilities include CNC gas/underwater plasma profile cutting machine for maximum 300/150 mm thickness, edge planing machine, 1000T hydraulic press, plate bending machines up to 140/180 mm thick in cold/hot conditions, heavy duty welding manipulators including 6-axis robot, column and booms, automatic grinding and cutting machines, tube coiling machine, large heat treatment furnaces and environment controlled clean rooms. Facilities also exist for proof pressure testing and ageing of aerospace motor casings.

A wide variety of welding processes are carried out comprising submerged arc (single and tandem), TIG, MIG, automatic pulse TIG, automatic tube-to-tube sheet welding, Electro Slag strip cladding, SASC, FCAW, internal bore welding, hot wire TIG, automatic nozzle welding and plasma arc welding.

Machining facilities include deep hole drilling up to 900mm thick, CNC horizontal boring machines with 200mm spindle dia., CNC vertical boring machines up to 8500 mm dia. and 60T load, facing lathe of 6000 mm dia. and 80T weight between centres, and a five-axes vertical machining centre.

There are four X-ray enclosures, the biggest being 25(L) x 10(W) x 10(H) m used along with Co-60, Iridium and 420KV X-ray machines. The facility also regularly performs UT using conventional normal beam & angle beam methods and phased array / TOFD methods. In addition, NDT includes Magnetic Particle Testing - conventional & high contrast, Dye Penetrant testing - conventional and fluorescent, Helium and Ammonia Leak Testing to suit customers’ and project requirements.

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