Our Moto is to offer quality products and accessories at a reasonable price and provide dependable service and support with a proven track record of hundreds of satisfied users.



ISW Industries, Kolkata, West Bengal, India, started with a sole aim to bring high quality and State – of - art components , accessories and filtration equipments with advanced technology in the field of water , waste water and chemicals for the next millennium.


It was the vision of our unit in group, foresaw the difficulty beig faced by the OEM’s while working with FRP vessels, only top bottom system , were badly need of a consolidator were come the birth of ISW Industries .
We provide both standard and customized designs in FRP vessels with man hole , hand hole , bed plate and lateral header distribution system rating from 150 mm dia to 3900 mm, along with a quality range of Membranes, Multiport Valves, RO Components, ion exchange resin, distribution & collection system, capable of bearing severe operating condition. Our quality products have earned the reputation and demand due to the excellence in quality, reliability and dependable after sales service.
Our various technical programs of exchange and transfer of ideas among with the water treatment professionals enables us to provide different support to the OEM’s of new technology and up to date information on new developments.
Our key success in the market is the commitment of offering high quality product and service, enabling us to establish as a brand of “One Stop Solution” in water industry.

Product Portfolio

We are an eminent name involved in manufacturing and distribution of a wide range of Water, Waste Water Components and Technologies. Made from quality components, these are known to for their reliable operations. We also subject these to various quality checks, under the supervision of our experts.

We offer the following:

FRP Pressure Vessels Manual & Auto Multiport Valves


Speciality Resins for Iron, Arsenic & Floride

Dosing Pumps

Distribution System


Starter Panel

Sensor Switch & Transmitters

RO Components & Purification System

Chemicals Ozonator
Filter Media Remote Monitoring System
Water ATM µPVC Pipe & Fittings

Some of the unique features of these products are:

  • User friendly
  • Durable in nature
  • Anti-corrosive
  • Less maintenance
  • Simple installation
  • High consistent performance
  • Precise design

Industries Catered to
We are an eminent name engaged in offering a wide range of Components and Technologies. Serving the water treatment requirements based in India, some of the industry sectors where our Water Treatment Solutions find application include:
  • Light, Medium and Heavy Industry
  • Municipal water suppliers
  • Railways
  • Hotels
  • Pharmaceutical
  • Military Engineering Services
Our Team
As team is the foremost important and indispensable part of any company, we have given special emphasis on recruiting the right personnel for it. Our team of professionals hold command in different engineering disciplines, qualified enough to sought water and waste water treatment problems. The diligent personnel employed by us, not only adds to the quality of product range, but also works cohesively with the customers, so as to help them with the effective usage of our product range.

Our team of professionals include:

  • Engineers
  • Technical experts
  • R&D professionals
  • On-site support experts
  • Quality analysts
We are proud to have a well developed and modern infrastructure, that has various product development facilities. These facilities enable us in successfully meeting the complete development & design challenges of Water Treatment Equipment. This infrastructure is divided between various units, like R&D, that assist us in bringing further improvements in existing product range. Some of the other units, based in our infrastructure are as follows:
  • Production unit
  • Quality testing unit
  • Warehouse and packaging unit
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