Process equipment, mastered.

Reactors, pressure vessels, heat exchangers, process skids, agitators, storage tanks, conveying systems and special purpose machines. Designed to the applicable code, then fabricated, tested and documented in our own works.

  • Designed to code
  • Built and tested in-house
  • Third-party inspection welcome
Jacketed stainless steel reactor with a geared agitator drive, bolted body flange, top nozzles, a manway and four legs

Designed and built to

  • ASME Section VIII Division 1
  • TEMA
  • API 650 and API 620
  • ASME B31.3
  • IS 2825

What we build

Six equipment families, each engineered to your process duty and to the design code that applies to it.

View all equipment

Reactors and pressure vessels

Jacketed, limpet-coil and agitated reactors, receivers and columns in carbon and stainless steel.

ASME VIII Div 1 or IS 2825

Heat exchangers

Shell-and-tube exchangers and condensers sized to the thermal duty and built to TEMA practice.

TEMA classes R, C and B

Process skids

Pre-assembled, piped and instrumented packages that arrive ready for connection and commissioning.

ASME B31.3 piping, factory tested

Agitators and mixing systems

Top-entry and side-entry agitators with impellers, seals and drives matched to the process.

For reactors, tanks and digesters

Storage tanks and receivers

Atmospheric and low-pressure tanks, day tanks and receivers with the nozzles and accessories you specify.

API 650 and API 620

Conveying systems and special purpose machines

Screw and belt conveyors, bucket elevators and purpose-built machines engineered to a stated production requirement.

Solids, powders and bulk materials

Our clients

Some of the companies we work with.

  • MSS
  • ADNOC
  • Amphenol Interconnect India
  • Boldrocchi
  • Ecology
  • Getzner
  • IMECO
  • Ingress
  • JSW
  • Kleinberg Eco Estate
  • Litens Automotive Group
  • Mahindra CIE Automotive
  • SAS Infra
  • Camlin
  • Target
  • Visaka

From drawing to despatch, under one roof

Every order follows the same path from design to despatch, with one team responsible for the finished equipment.

See our capabilities

  1. Design and engineering

    Process and mechanical design, with calculations checked against the code.

  2. Fabrication

    Cutting, forming, rolling and welding by qualified procedures.

  3. Machining and assembly

    Sealing faces machined; drives, internals and bought-out items fitted.

  4. Inspection and testing

    Stage inspection, non-destructive examination and hydrostatic testing.

  5. Finishing and despatch

    Surface finish, passivation or coating, final inspection and packing.

  6. Site support

    Installation and commissioning assistance at your plant.

Industries we supply

Because every piece is engineered to its duty, the same workshop builds for very different plants: batch reactors for a pharmaceutical line, exchangers for a distillery, tanks for a dairy.

Explore industries

Working in another sector? Send us the process conditions and we will tell you what we can build.

Why work with Lean Maestro

A manufacturer that designs, builds and tests in one place, and answers for the result.

About Lean Maestro

Single-source supply

Designed, built, tested and despatched from our own works, under one contract.

Engineered to duty

Every piece is designed around your process conditions and the code that applies.

Documented quality

Certificates, traceability and test records, compiled into a data book you can audit.

Lean build discipline

Planned build cycles with checks at every stage, so delivery stays predictable.