Construction of Nitrogen Production Plants (EPC-Projects)

Effective high-performance solutions for nitrogen production of various purity based on membrane and adsorption technology. The project may include compressed air production system to meet customer targets.

Construction of Nitrogen Production Plants (EPC-Projects)


up to 10,000 m3/h

Nitrogen purity

up to 99.9995%

Dew point temperature

−55…−75 °С

Operating temperature

from - 50 to + 40 °C

Grasys has profound experience in implementing turnkey projects (EPC-contracts). The number of the completed projects includes high-profile nitrogen production plants in the CIS and Eastern Europe based on membrane and adsorption technologies.

Product Images


Capacity, m³/h up to 10,000

Nitrogen purity, %up to 99.9995

Dew point temperature, °С−55…−75

Operating temperature, °С from - 50 to + 40 °C

Control and Monitoring System

Advanced GRASYS Intelligent Control-8 System

Highly intelligent advanced monitoring and control system known as GRASYS Intelligent Control-8 ensures greatest possible easy-to-operate and convenient performance monitoring of the Grasys nitrogen unit.

GRASYS Intelligent Control-8 provides:

  • Complete performance monitoring of the entire unit systems
  • Manual, automatic and remote control capabilities
  • Integration capability of the unit control system into the total plant-wide system
  • Availability of failure locks provided in case there occurs a marginal error of critical process parameters
  • The unit entry into standby mode without nitrogen intake
  • A broad range of advanced features, including the capability of monitoring unit parameters via the Internet
  • Archiving basic technical parameters of the unit
  • Control panel is provided with an active LCD display and hot buttons for quick access to major functions
  • Possibility of choosing the optimal process design (membrane or adsorption technology) for the required applications
  • Availability of producing high purity nitrogen
  • High equipment reliability and failure-free performance
  • The units provide service life up to 20 years of continuous running
  • Control system development of any complexity to meet customer requirements
  • Significant experience in the design and production of the largest nitrogen PSA plants in Russia (3,000 - 6,000 m3/hour)
  • Highly skilled professionals having over 10 years of experience in adsorption gas separation technology
  • Grasys is the only Russian manufacturer of high-performance nitrogen PSA plants

The Way We Run EPC-Project

Project Manager
Procurement & Logistics Coordinator
FP&A Department
Сhief Project Eengineer
Construction & Assembly Operations Coordinator
Management Assistant (when required)
Separate Business Unit (when required)

EPC-contract implies the full Grasys’ responsibility at every single stage of project implementation as follows:

  • Engineering survey
  • Сonstruction & assembly operations, erection supervision and commissioning work
  • Design (of all the project stages), construction
  • Placing facility into service
  • Attending design review and industrial safety inspection
  • Customer training
  • Manufacturing and supply
  • After-sales service

Over 400 specialists ensure implementation of EPC-projects on a daily basis

  • Highly qualified staff
  • Creating project office for each project
  • Detailed project implementation planning
  • Performing project monitoring process


We develop the project all the way from A to Z

  • Development of main design solutions
  • The use of CAD Solid Edge with building of a working 3D model
  • Development of design estimates
  • Industrial safety inspection
  • Designer supervision
  • Development of manufacturing instructions, guides and manuals


We perform completing equipment with components and their delivery from leading Russian and world manufacturers as follows:

  • Vendor qualification and high-end audit
  • Control of documentation development, manufacturing, factory testing and equipment acceptance
  • Project logistics, transportation arrangement for out-of-gage and large-capacity equipment

GRASYS Manufacture

  • Production sites located in Moscow region (Dubna, Domodedovo)
  • R&P Co. Grasys Quality Management System meets the requirements of ISO 9001:2015
  • Piping system welding technology certified by American standard ASME B31.3
  • Certified by RMRS (Russian Maritime Register of Shipping)


  • Onsite construction and erection works management
  • Construction and maintenance inspection, outsourcing independent laboratories and expertise
  • Execution and compliance with contract agreements and specialist services
  • Prompt decision-making on introducing changes to the project documentation
  • Setting and organizational management of the onsite office

Operating Procedure When Dealing With R&P Co. Grasys


Submit a request on the site or reach our specialist by phone


Grasys expert speaks to you and finds out your needs


You fill out a questionnaire with the desired equipment parameters


Our expert prepares a quotation with the most efficient solutions to your application. Contract to be concluded


We perform engineering, designing, manufacture equipment with its further testing and placing into service, etc


We ship equipment to the operational location and provide a package of documents


We are engaged in start-up operations and equipment commissioning


We provide aftersales service to ensure equipment efficient performance and reliability excellence (optional)

Advantages of Cooperating with R&P Co. Grasys

High-tech Russian manufacture

Implementation of import substitution programs

Hands-on experience in implementing over 1600 projects within 20 years

Manufacturing equipment of any size and level of sophistication

Turnkey projects (EPC-contracts)

Prompt technical support

Information contained herein does not constitute а public offer

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A leading manufacturer and EPC-contractor in gas separation and compression


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