Valves for Water & Waste Water

L&T Valves has been associated with the water and waste water industry for many decades. In fact, some of the products pioneered by L&T Valves for the water industry are today industry-standards.

Water and waste water industry poses unique challenges to a valve manufacturer:

  • Reliability and long service life, while handling erosive and corrosive media
  • Ease of maintenance and quick maintenance support
  • A diverse product basket, with a huge variety in design standards, product types, size, pressure class and materials of construction

L&T Valves Portfolio for Water

The company manufacturers a range of solutions that meet the requirements of each stage of the water cycle – from desalination, water treatment, water distribution and industrial utility lines to sewage and waste water treatment:

  • Large-size Fabricated Steel Butterfly Valves
  • Large-size SG Iron Butterfly Valves
  • Triple-offset Butterfly Valves – Long and Short patterns
  • Aquaseal Elastomer-lined Integrally-moulded Butterfly Valves
  • Process Ball Valves

Valves for Water - Material Grades

  • SS 304, SS 316
  • Carbon Steel IS 2062, A 516 Gr.70
  • SG Iron, Cast Iron


The valves are designed in 3D design environment, leveraging the power of Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD). The designs are validated by rigorous prototype tests, both at in-house facilities and at international flow control research facilities.


L&T Valves has a flexible manufacturing infrastructure designed to address the variety of designs, sizes, pressure classes and materials in a typical power plant order.

  • 5-axis Machining Centres
  • CNC Vertical Turret Lathes
  • CNC Horizontal Boring Machines
  • Automated Welding Machines – SMAW, MIG, Plasma Arc, table diameter 60”
  • High volume painting facility
  • Cranes with 40 ton capacity