SIGMA Ingenieurgesellschaft mbH offers a wide variety of engineering services, as there are:

  • Pipe static, -dynamic (vibration analysis)
  • Structural Steel Sections
  • Pressure loss and temperature loss calculations
  • Stress analysis
  • Internal Pressure design
  • Design Strength analysis, Stability calculations
  • Life monitoring analysis
  • Finite-Element-Analysis

Upon request, our project consulting service supports you in organizing and structuring your projects on the spot and develops possibilities of standardization and streamlining in integrated project teams together with you.

SIGMA Ingenieurgesellschaft is member of:




Our Engineering team works for national and international plant construction companies, engineering companies as well as operators of the energy- , chemical - and petrochemical industry in projects like

  • Nuclear Power Plants
  • Power Plants
  • Waste incineration plants
  • Chemical plant engineering
  • Oil and Gas
  • District Heat Piping

For a reference list please request our company brochure.

Contact our Engineering Team

by phone +49 (0)2303 332 33-0

by fax +49 (0)2303 332 33-51 (Fax Engineering department)
by email
or by standard mail:

SIGMA Ingenieurgesellschaft mbH
Bertha-von-Suttner-Allee 19
D-59423 Unna

ROHR2 and SINETZ Viewer

The ROHR2 and SINETZ viewer programs can be used to show ROHR2 and SINETZ piping models which have already been calculated.

The viewer programs can be downloaded here.