CLANTECH offers the engineering services required in projects related to industrial gases (H2, O2, N2), from their conception to their execution and commissioning. To this end, Clantech has a multidisciplinary technical team with vast experience in the sector.


Consultancy services

  • Process Pre design.
  • Techno-economic feasibility studies and market analysis.
  • Support in tendering phase.
  • Analysis and recommendations of different manufacturers.
  • Analysis and recommendations of different technologies.
  • Optimisation of the initial solution.

Conceptual, basic and detailed engineering

  • Development of the different engineering phases of an industrial project (conceptual, basic and detailed).
  • List of customized documentation according to client’s requirements.
  • Multidisciplinary engineering team: process, mechanical, piping, instrumentation and control, electrical and safety.
  • Owner Engineering Services.


  • Technical support along the Project authorization phases.
  • Definition of critical documentation and permitting roadmap.
  • Follow up of authorization process.

Purchasing management

  • Development of technical specification for quotation (RFQ).
  • Bid comparison.
  • Activation of orders.
  • Vendor document review.
  • Purchase order follow up.
  • Factory Inspections (FAT).

Project management

  • Coordination with contractors.
  • Control of project cash flow.
  • Planning follow up.
  • Verification of compliance with applicable regulations.

Site management

  • Multidisciplinary Site Supervision.
  • Planning and Cash Flow Follow up.
  • SAT tests, commissioning and start-up.
  • Final acceptance and Plant Hand Over.



  • Development of PFD, P&ID and Operating Modes.
  • Process simulation and optimization.
  • Hydraulic calculations.
  • Mass balances.
  • Functional descriptions.
  • Thermal calculations.
  • Development of Installation, operation and maintenance manuals.


  • Specification and selection of main equipment.
  • General plant layout.
  • Integration and development of 3D model.
  • Design and calculation of structures.
  • Sizing of PSV and Control Valves.
  • Vent Sizing.


  • Development of Piping Class according to EN-13480, ASME B31.3, ASME B31.12.
  • Lists and data sheets of pipes and fittings.
  • Development of MTO.
  • Calculation and desing of Piping supports.
  • Flexibility and stress calculations.
  • Development of Piping General layout and Isometrics.


  • Sizing of Low Voltage cables.
  • Specification of electrical substations and transformers.
  • Specification of Lighting and Lightning System.
  • Lists and data sheets for cables and electrical equipment.

Instrumentation and control

  • Development of plant control philosophy.
  • Design and development of control and safety system.
  • Technical specification of instruments.
  • Instrument lists and data sheets.
  • Development of plant control architecture.
  • Development of control logics.


  • Support and participation in HAZID, HAZOP, SIL, QRA, FERA, EAC studies.
  • Development of Hazardous Area Study and drawings.
  • Design of Fire and Gas System (F&G).
  • Specification of the Fire Figthing system.

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