Chemicals · Water Treatment · Instrumentation

Treatment chemicals, water plants and process instrumentation

Two divisions under one roof. Chemistry and complete plants for RO, cooling, boiler and effluent water — and precision fittings, valves and analyser systems for oil & gas. Specified against your conditions, documented properly, delivered on schedule.

8
Chemical groups
63
Chemical line items
5
Compliance standards
1
Point of contact
Compliant with API ASTM ASME ISO IEC
What we do

Two divisions, one point of contact

Water chemistry and the plants that run it, alongside the instrumentation that measures and controls it.

Chemical & Water Treatment

RO, cooling, boiler and ETP chemistry, complete treatment and sewage plants, filtration media, and the laboratory instruments to verify performance.

  • Chemicals
  • Treatment plants
  • Filtration
  • Lab instruments

Instrumentation & Valves

Precision tube and pipe fittings, needle, ball, manifold and check valves, seamless tubing and analyser systems in SS316 and specialist alloys.

  • Fittings
  • Valves
  • Tubing
  • Analyser systems
Chemical & water treatment

Eight solution groups, sixty-three line items

Dosing chemistry, plant and vessel manufacturing, filtration media and testing instruments — supplied as single items or as a complete package.

Industrial reverse osmosis plant with membrane pressure vessels, pumps and pressure gauges
01

RO Chemicals & Components

  • RO antiscalant chemicals
  • RO membrane cleaning chemicals
  • SMBS chemicals
  • RO dosing pumps
  • RO membranes
+5 more →
Industrial cooling towers and chilled water pipework on a plant rooftop
02

Cooling Water Chemicals

  • Cooling water descaling chemicals
  • Scale inhibitors
  • Corrosion inhibitors
  • Microbiocides
  • Biodispersants
+2 more →
Industrial boiler with blue valves and feedwater pipework in a plant room
03

Boiler Water Chemicals

  • Oxygen scavengers
  • pH boosters
  • Boiler descaling chemicals
  • Sludge conditioners
  • Scale and corrosion inhibitors
Full details →
Effluent treatment plant outfall with treated water discharging from pipework
04

Wastewater / ETP Chemicals

  • Colour removal chemicals
  • Polyelectrolytes
  • Ferric chloride
  • Ferric sulphate
  • PAC
+5 more →
Row of blue pressure filter vessels and header pipework in a water treatment plant
05

Water Treatment Plants

  • DM plant manufacturing
  • Softening plant manufacturing
  • RO plant manufacturing
  • Softener / DM resins
  • Sand & carbon filters
+3 more →
Aeration tank at a sewage treatment plant with surface agitation
06

Wastewater Treatment

  • ETP manufacturing
  • Sewage plant manufacturing
  • RO plants for wastewater
  • Activated carbon
  • Aerators
+1 more →
Blue chemical storage drums and IBC containers in a warehouse
07

Commercial Chemicals

  • Sodium hypochlorite
  • Hydrochloric acid (HCl)
  • Sulfuric acid (H₂SO₄)
  • Caustic lye & flakes
  • Soda ash
+6 more →
Water testing laboratory bench with spectrophotometer, sample vials and pH probe
08

Laboratory Equipment

  • pH meters
  • TDS meters
  • Bacteria test kits
  • Water analysis test kits
  • Spectrophotometers
+1 more →
Who we are

A specialised sourcing and supply partner for critical industrial systems

Petro Engineering Private Limited supplies water treatment chemistry and process instrumentation from a base in Mumbai — to plants across India, and on export. Two divisions, one accountable point of contact.

We support refineries, petrochemical plants, EPC contractors and system integrators with certified equipment, dosing chemistry, treatment plants and precision fittings from manufacturers we have already qualified.

Instrumentation & valves

Precision fittings, valves and analytical systems

Instrumentation-grade components in SS316, carbon steel, brass and specialist alloys — sized 1/8" to 1" and rated to 10,000 psi.

1/8"–1" Stainless steel instrumentation tube fittings including unions, elbows, tees and adapters

Tube Fittings

Unions, elbows, tees and adapters in SS316, carbon steel, brass and alloy — rated up to 6000 psi.

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2-way & 3-way Two way and three way stainless steel instrumentation ball valves

Ball Valves

2-way and 3-way instrumentation ball valves in SS316 and carbon steel, rated up to 6000 psi.

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10,000 psi Straight and angle pattern stainless steel needle valves for high pressure flow control

Needle Valves

Straight and angle pattern needle valves in SS316 and alloy for precise high-pressure flow control.

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2, 3 & 5 valve Two valve, three valve and five valve stainless steel instrumentation manifolds

Manifold Valves

2-valve, 3-valve and 5-valve manifolds in SS316 with 1/2" NPT connections for instrumentation service.

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ASTM A269 Seamless stainless steel instrument tubing coils in SS316L and duplex alloy

Tubing Coils

Seamless instrument tubing in SS316L, duplex, copper and alloy to ASTM A269 and A213.

View specifications
Turnkey Stainless steel analyser sample conditioning system panel with gauges, filters and regulators

Analyser Systems

Sample conditioning systems, analyser shelters, gas analysers and calibration support.

View specifications
Capabilities

Complete, compliant and performance-driven solutions

Six capability areas covering the full lifecycle of a process installation — from raw water through to emergency shutdown.

Industrial reverse osmosis water purification skid with membrane housings and control panel

Water Treatment

Purification and desalination packages engineered for industrial duty, supplied skid-mounted or containerised for rapid site deployment.

  • Reverse Osmosis (RO) water purification systems
  • Industrial RO systems
  • Brackish & seawater RO plants
  • Containerised RO units
  • UF, NF & desalination solutions
Gas analytics and process analyser instrumentation used for oxygen, hydrogen sulphide and hydrocarbon measurement

Analytical Solutions

Measurement and sampling packages built around the analyser, with the conditioning, shelter and calibration support that keeps readings trustworthy.

  • Gas analysers — O₂, H₂S, CO₂ and hydrocarbon
  • Water quality analysers
  • Sample conditioning systems
  • Analyser shelters
  • Calibration & maintenance services
Instrumentation panel with pressure gauges, transmitters and control valves mounted on a stainless steel frame

Instrumentation

Field instruments and control hardware selected against your datasheets, supplied with the certification your QA team expects.

  • Pressure, temperature & flow instruments
  • Level transmitters & gauges
  • Control valves & actuators
  • PLC & SCADA systems
  • Junction boxes & control panels
Stainless steel pipe fittings including couplings, plugs and reducers to NPT and BSP standards

Mechanical Solutions

Rotating equipment, pressure containment and fabrication scope handled through the same single point of contact as your instrumentation.

  • Pumps & skid packages
  • Filters & strainers
  • Piping & fittings
  • Pressure vessels
  • Structural & fabrication works
Fire and gas detection system inspection with documentation and certification review

Fire & Gas Systems

Detection and shutdown hardware supplied as a coordinated package, with ESD integration handled alongside the field devices.

  • Gas detection systems
  • Flame & smoke detectors
  • Fire alarm systems
  • F&G control panels
  • Emergency Shutdown (ESD) integration
Engineers carrying out HAZOP study and risk assessment documentation for a process facility

Engineering Services

Safety and environmental studies delivered to the standard your regulator and your insurer both need to see.

  • HAZOP / HAZID studies
  • QRA (Quantitative Risk Assessment)
  • Environmental impact studies
  • Fire & explosion risk assessment
  • HSE documentation & compliance
Why choose us

Why leading industrial companies partner with Petro Engineering

Procurement is only as good as the documentation behind it. Here is what you get on every order.

Global supplier network

Direct access to approved manufacturers worldwide, so specification-critical items are sourced from the right OEM rather than the nearest one.

Technical & commercial expertise

Engineers who read the datasheet before quoting — so what arrives on site matches what the design intended.

Compliance with international standards

API, ASTM, ASME, ISO and IEC conformity verified at source, with material traceability maintained end to end.

Competitive & transparent pricing

Clear commercial terms with no hidden margin. You see what the item costs and what the handling costs.

Reliable delivery & documentation control

MTCs, test certificates and export paperwork assembled before dispatch — not chased afterwards.

Single point of contact

One accountable contact across a multi-vendor scope, instead of chasing six suppliers for one delivery date.

Our services

End-to-end support, from enquiry to site delivery

Six services that wrap around the hardware — because the equipment is rarely the hard part.

Oil & Gas Equipment Sourcing

We source a wide range of oil and gas equipment from approved and reputable manufacturers, ensuring compliance with international standards such as API, ASTM, ASME, ISO and IEC.

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Project Procurement Support

End-to-end procurement support for EPC and turnkey projects, including RFQ management, vendor evaluation, technical & commercial alignment, and expediting.

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Inspection & Quality Assurance

Third-party inspection coordination, MTC verification, FAT/SAT support, and full documentation control to meet project and client requirements.

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Vendor & Manufacturer Representation

We connect global manufacturers with regional oil and gas projects, acting as a reliable local sourcing and commercial partner.

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Logistics & Export Handling

Efficient logistics solutions, including packing, export documentation, and global delivery support.

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Technical Consultation & Engineering Support

We provide expert guidance on equipment selection, specifications, and project alignment to ensure safe and efficient operations.

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Honesty. Clarity. Accountability.

Our clients trust us because we communicate openly and deliver what we commit to — in every interaction, on every order.

We're here to source. Call us today.

Send us your specification, line list or RFQ — we'll come back with a compliant, costed proposal.