Our Services


  • Effluent Treatment Plant (ETP)
  • Sewage Treatment Plant (STP)
  • Reverse Osmosis System (RO)
  • Ultra Filtration
  • Multi Effect Evaporator (MEE)
  • D. M. Water Plant & Softener etc.


  • Ketonic & Ionic Polyelectrolyte.
  • Colour Removal Polymer
  • R.O. Acid Cleaner, Alkaline Cleaner, Antiscalant
  • S.M.B.S.
  • Boiler Cooling Tower Chemicals


  • R.O. Membrane, Vessel MBBR Media
  • Root Blower, Surface Aerator, Clarifier
  • Dosing Pumps
  • Filter Press, Bags Filters, Decanter
  • Instruments pH, TDS Meter, Magnetic Flow Meter All Testing Kits for Analysis


Do you own a water treatment plant? Are you searching for a reliable agency that can take over the responsibility for operations and maintenance of it at affordable rates? If yes, then here we are! At A P Engineers, you get the best services that are reliable, convenient and cost-effective.

We are experts in providing the best services for all types of plants; whether we build it or not it doesn�t matter! Our aim is to optimize the operating costs associated with the wastewater treatment. By managing your assets effectively, we ensure you comply with the regulatory standards of health and safety. We also make sure that you pass environmental and quality standards as well.

With a rich experience of operating and maintaining wastewater treatment plants of several types, we offer complete plant management that takes care of the minutest of the aspect. Round the clock monitoring, on-call assistance, and efficiency testing are the unique things that stand us apart.

When we perform operation and maintenance of your water treatment plant, it is ensured that analytical monitoring happens throughout the treatment process so that the gap between desirable t and actual output can be measured.

Assign the dependability for operating and managing the plant to A P Engineers and enjoy hassle-free, economic operations.


  • All Legal Requirements for Environmental Management System & ISO - 14001.


When you own a water treatment plant, it advised that you have the annual maintenance contract with a seasoned service provider. Why do you need it? You need it because it is a cost-effective solution than calling people on the ad-hoc basis.

At A P Engineers, we want that the clients get maximum return on investment. We know that running a treatment plant is a costly affair. Therefore, our team offers tailor-made contracts for you. We bring a team of experienced and qualified engineers who come for periodical monitoring.

It is very much important that water treatment plant operates with low downtime and high efficiency. We make it possible by looking after the plant well.

What all do we cover in the Annual Maintenance Contract?

When we cover water treatment plant in your premises under Annual Maintenance Contract, four important aspects are looked after:

  • Health check up: Each and every component is checked to ensure good health.
  • Extended back wash: Back wash ensures that the components work well.
  • Regular cleaning: Cleaning removes deposits and sludge so that the components work well.
  • Adjustment of chemical dosing rate: We correct the chemical dosing rate so that processes work with utmost efficiency. Overdosing and underdosing both are not good for the health of the plant.


In spite of regular maintenance, you have breakdown incidents in water treatment plants. Experts say that repair and renewal services should be handled by experts such as A P Engineers because it requires perfection.

Our team has extensive hands-on experience. With our specialized task force that works round-the-clock to respond renewal and repair requests of clients, you do not have prolonged downtime and loss of productivity. We diagnose and fix the problem in the minimum possible time. We are just a phone call away from you.

We cover repair and renewal of parts and accessories of treatment plants such as Pumps, valves, motors and mechanical piping. We also take care of electronic items, pneumatic controls, and panels. We correct installation and configuration issues and look at the effectiveness of chemical feed system. Descaling of boilers and other mechanical parts and instrumentation requests are also handled by A P Engineers team. If you prefer ad-hoc repair and maintenance instead of Annual Maintenance Contract, then we treat every visit unique and charge accordingly.


Apart from having a sound grip on the wastewater treatment plant operation, maintenance, and installation business, A P Engineers helps the clients with top-class consumables also. Our aim is to make you achieve highest productivity and profitability.

Thanks to our intricate network of channel partners and framework agreements to get the best prices for consumables; you get best in the class stuff at unbelievably reasonable prices. We want that our clients get everything that they need under one roof.

Call us for spare parts, consumables, accessories; in short, everything that is required for the smooth and successful running of water treatment plant.

Our range of spare parts and consumables cover the whole spectrum of plants:

  • Desalination plants
  • Drinking water production plants from surface or underground water
  • Urban wastewater treatment plants
  • Sludge treatment units
  • Odor control units

Though the most of the items are available with us in sufficient quantity, we can establish a systematic supply chain schedule after understanding your needs. In commitment-based contracts, the rates offered are amazingly reasonable.

Call today with detailed requirement specifications and avail uninterrupted supply of world-class consumables and spares to keep your water treatment plant up and running smoothly.

Experience water treatment excellence with A. P. Engineers. Our ETP, STP, and RO Plant deliver unparalleled performance. Trusted throughout Gujarat - Vapi, Daman, Silvassa, and more - we are renowned for sustainable solutions. Embrace our customized services for a greener world.