Piping Systems Research & Engineering Co (NTP Truboprovod)

PASS: Plant Analysis Software Suite (Hydrosystem, Safety Valve, START, PASSAT, Nozzle-FEM)

Supported Autodesk Products: AutoCAD 2013, AutoCAD 2014, AutoCAD 2015, AutoCAD 2016, AutoCAD Plant 3D 2013, AutoCAD Plant 3D 2014, AutoCAD Plant 3D 2015, AutoCAD Plant 3D 2016
Compatible/Supported Operating Systems: Windows XP, Windows Vista, Windows 7, Windows 8
Supported Languages: English, Russian, Chinese

HYDROSYSTEM software performs flow rate, pressure drop, surge and heat loss calculations, and nominal size selection for process and power piping, heating, gas-distributing and other pipe networks with gas, liquid or multiphase flow. Fluid properties and phase equilibrium can be calculated based on fluid composition using embedded thermodynamic libraries or Simulis Thermodynamics from ProSim.

START software evaluates stress for process and power piping, gas and oil transmission, and heat networks. Stress and fatigue strength analysis is performed for pipe elements including buried pipelines according to different standards. Pipelines with various types of restraints and expansion joints under static, cyclic and seismic loading are evaluated. The software can automatically select spring supports and their properties.

PASSAT software allows strength and stability analyses for horizontal and vertical vessels, column apparatuses, storage tanks, shell and tube and air cooled heat exchangers under static and seismic loads in order to evaluate bearing strength in operation, test and assembly states.

Nozzle-FEM software performs finite element analysis of vessel nozzles for the purpose of estimating their stress, stiffness and allowable loads. A finite element mesh is generated automatically for arbitrary shell, head and nozzle dimensions. Calculated nozzle flexibility can be automatically used in START software.

Add-on PASS software provides pressure relief system analysis (Safety Valve), piping and equipment insulation design (Insulation), residual life estimation (Resurs), fluid properties calculation (STARS).


  • PASS is based on the firm foundation of universally accepted engineering calculation methods, and on ISO, EN, ASME, API, WRC, Russian GOSTs, Chinese and other standards. It also uses the most modern achievements in engineering analysis and scientific research.
  • User friendly 3D graphical interface, detailed help and manuals, and interactive training movies make working with PASS products easy and pleasant for both beginners and professionals.

  • The calculation results are shown on the graphical model and can be outputted as MS Word, PDF, HTML, MS Excel files and other formats. Output templates can be edited by the user.
  • PASS interoperability is always our priority. We provide integration of various PASS components, as well as data import and export to various CAD software, including AutoCAD and AutoCAD Plant3D.
  • PASS licensing policy is flexible. The main programs consist of several modules. Users can choose the desired module configuration for licensing or lease. Different license types (local and network, permanent and temporary) and bundles are available to make the cost/functionality ratio attractive to customers.
  • PASS software is an informal standard in Russia and former USSR countries. The software has been continuously improved for over 30 years.


The annual support plan provides 12 months of automatically downloaded updates and phone and email technical assistance. Training by our certified specialists can be provided at your location or in our training centers for an additional fee.


Available from NTP Truboprovod and our resellers.
Europe: EnginSoft (www.enginsoft.com)
China: AECSoft (www.aecsoft.com.cn)


From $2000

Contact Information.

Piping Systems Research & Engineering Co (NTP Truboprovod)

Plehanova str., 7
Moscow, 111141

tele: +7-495-2259434
fax: +7-495-3685065

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