OpenFlows / HAESTAD

Comprehensive Modeling Solution for Water, Sewer, and Stormwater



Hydraulics and Hydrology Software

Thousands of users around the world apply OpenFlows numerical modeling capabilities to a wide range of water projects, including:

  • Planning and design of water, wastewater, and stormwater systems.

  • Operations and maintenance of water, wastewater, and stormwater systems.

  • Assessment of flood risks in urban, riverine, and coastal systems.



Accelerate piping design and ensure compliance against international standards.

AutoPIPE Advance

Accelerate delivery of compliant piping designs for any size project with proven, scalable, and integrated advanced pipe stress analysis.

AutoPIPE Vessel

Enable cost-effective and accurate design for the safe operation of pressure vessels under all loading conditions.

AutoPIPE Advance - Advanced Piping Design and Analysis Software

AutoPIPE provides you with a comprehensive and advanced software tool specialized in pipe stress analysis. Increase your productivity and improve quality control with an intuitive modeling environment and advanced analysis capabilities. Ensure efficient workflows between pipe stress engineers, structural engineers, and CAD designers through interoperability with leading plant design applications.


  • Analyze and visualize pipe stress​

  • Check pipe stress displacements and clashes​

  • Comply with industry codes and standards​

  • Design and model piping​

  • Reference structural model for pipe stress analysis​

AutoPIPE Vessel - Vessel Design Software

AutoPIPE Vessel provides you with cost-effective and accurate design of pressure vessels, heat exchangers, tanks, and air coolers. Reduce mistakes and time consuming manual revisions. Ensure greater efficiency with your supply chain and improved collaboration with engineering companies. Increase your efficiency through fully automatic vessel design optimization under all installation and operating conditions.


  • Comply with industry codes and standards

  • Design and model pressure vessels

  • Generate vessel detail drawings

  • Reference piping model for vessel analysis