
Approaching 20 years of operation
Instrumentation, analyzers and control systems
Process Control Analyzers (PCA) supplies instrumentation, analyzers and control systems. Drawing on its specialist expertise, execution experience and technical capacity, the company offers supply, technical services, project execution and specialist cooperation.
- 88projects on record
- 22vendor lists
- 8international partners
- ISO 9001quality management

About PCA
Two decades in instrumentation and control systems
The company is approaching its twentieth year. Over the past two decades, through technical know-how, cooperation with reputable suppliers and numerous projects across Iranian industry, it has earned a trusted position in instrumentation and control systems.
The company is registered in 22 approved vendor lists, including those of the Ministry of Petroleum, the National Petrochemical Company and the National Iranian South Oil Company, as a supplier of metering systems, analyzer packages, multiphase metering, control systems, instrumentation and valves.
- Design and fabrication of analyzer packages and metering skids
- Execution of DCS, ESD, FCS and F&G systems
- Exclusive representative of PSL, UK
- Cooperation with SOCRATE, Italy and AAI, USA
Products & services
Four areas of expertise
Open a section to see its sub-areas, items and completed projects.

Analyzer Packages
Gas and liquid analyzers, environmental and industrial wastewater analyzers, sampling systems and shelters.

Control Systems
Design, integration and execution of FCS, DCS, ESD and F&G control and safety systems.

Metering
Gas and liquid measurement systems: metering skids, provers and multiphase metering.

Instrumentation
Supply of all instrumentation equipment from reputable European and American brands.
Analyzer Package
What makes up an analyzer package?
The sample path from the process line to the control room: an analyzer package, including its shelter and sampling system, is designed, built and integrated as a single system.
Sampling Point
The probe extracts a representative sample from the process line.
Sample Transport Line
Tubing, with heat tracing where required, up to the shelter.
Sample Conditioning
Pressure, temperature and flow regulation, and removal of particulates and condensate.
Analyzer
Continuous measurement of the required composition or property.
Shelter or Cabinet
Environmental protection, ventilation and utilities.
Control Room
Data and alarm transmission to the PLC or DCS.
Projects
Selected completed projects
Design, fabrication, installation and commissioning at refineries, petrochemical plants, power plants and oil and gas fields.
National Iranian Oil Company (NIOC)
NIOC Metering Project
Design, fabrication, installation and commissioning of BS&W analyzer package
Bushehr Petrochemical Co.
P/F F&G
Iranian Central Oil Fields Company (ICOFC) · OEID
Paydar and Paydar West Oil Field Development
Design, installation and execution of two Multiphase Flow Meters
Pardis Petrochemical Co.
Urea & Ammonia Unit
Supply of transmitter package
MAPNA Group · Mobarakeh Steel Company
Supply of CEMS analyzer package
Design, fabrication and installation of Extractive CEMS analyzers
Iranian Offshore Installations · IOEC
SP1 A&B Control System
Design, fabrication, installation and commissioning of DCS/ESD/F&G system with Yokogawa products
International partners
Representation of and cooperation with leading manufacturers
Through its offices in Europe and the Middle East, the company sources equipment from leading European and American brands.
Exclusive representative; esmerMPFM multiphase metering
Full partner and brand profiles
Some of the brands we supply
Industries
Across Iranian industry
Oil and gas, refining, petrochemicals, power and steel: industries where the company has delivered projects or is an approved vendor.

Upstream Oil & Gas
Oil fields, offshore platforms, and desalting and processing facilities.

Gas & Gas Processing
Gas refineries, and natural gas storage and transmission.

Oil Refining
Combustion control, stream quality and emission monitoring in refining units.

Petrochemicals
Feed and product composition control in continuous petrochemical processes.

Power Generation
Stack emission monitoring and boiler combustion control.

Steel & Mining
Emission monitoring and instrumentation in the steel and copper industries.
How we work
From inquiry to commissioning in five steps
Send an inquiry
Send the items or application you need, together with the process conditions.
Technical review
We review the specifications, process conditions and installation site.
Technical & commercial offer
We propose the right equipment or a complete solution.
Supply or fabrication
The equipment is supplied, or the package or system is designed and built.
Installation & commissioning
Delivery, installation and commissioning at the project site.
What information is needed for a price inquiry?
The item name or application, sample composition or fluid specifications, measuring range, process pressure and temperature, and installation location. The more complete the information, the more accurate the technical proposal will be. If you do not have all of these details, send what you have and our specialists will contact you to complete it.
What is the difference between analyzer supply and an analyzer package?
With analyzer supply, the instrument itself is delivered. With an analyzer package, the complete system, including sampling, sample conditioning, the analyzer, the shelter and connection to the control system, is designed, built and commissioned as a single scope.
Which vendor lists is the company registered in?
The company is registered in the Ministry of Petroleum master list and the vendor lists of the National Petrochemical Company, the National Iranian South Oil Company, the Iranian Central Oil Fields Company, the Iranian Offshore Oil Company, the National Iranian Gas Company and several steel and mining groups. The full list is available on the About Us page.
Can I send several items in one inquiry?
Yes. Add each item to the inquiry basket using the “Add to Inquiry” button and submit a single request at the end.
What is the stock list and how do I use it?
The stock list is a list of items available in our warehouse. On the Stock page you can search by name, category and status and add the row you need directly to your inquiry.

Ready for your inquiry and technical consultation
Collect the items you need in the inquiry list and send a single request, or contact us directly.
