additional certificates:

DVGW Deutscher Verein des Gas- und Wasserfaches e.V.

  • GW 301 Construction, Repair and Connection of Pipelines
  • GW 302 Trenchless laying and rehabilitation of pipelines not in operation
  • GW 381 Construction companies in underground line construction
  • FW 601 District heating pipelines
  • G468‐1 Inspection of gas pipelines
  • G493‐1 Gas pressure regulator plants, biogas feeder plants  
  • G493‐2 Maintenance of gas pressure regulating stations
  • GW 11 Cathodic corrosion protection 
  • W 120‐2 Drillings for ground heat sensors

Certification according to Water Resources Law

  • WHG Water Resources Law


  • Monogrammlizenz API – 4F Drilling and Well Servicing Structures
  • Monogrammlizenz API – 16A Drill Through Equipment
  • Monogrammlizenz API – 16D Control Systems for Drilling Well Control Equipment

Welding Technology and Quality Assurance

  • ISO 3834‐2 Welding Quality Standard
  • DIN EN 1090 Welding Steel Constructions 
  • EN 13480-4 Metallic Industrial Piping – Fabrication and Installation
  • EN 13445-4 Unfired Pressure Vessels – Fabrication
  • DIN EN ISO 17660‐1 Welding Reinforcing Steel
  • AD 2000 HP 0 Welding Technology Manufacturing Welding Equipment
  • CE 0036 Product Safety internal production control Module A2
  • CE 0045 Conformity Quality Assurance Module H
  • ASME ‚R‘ metallic repairs and/or alterations  
  • ASME ‚U‘ Manufacture of pressure vessels  


  • IEC 62443 Industrial IT Security – Control Systems and Components
  • RAL‐GZ 962/2 quality mark cable line engineering

Nuclear Plants

  • KTA 1401 Quality assurance


Kommanditgesellschaft auf Aktien

HSE-Q Division
Schwaigerbreite 17
94469 Deggendorf

Phone: +49 991 330-449

How to find us »
(via Google Maps)

Overview certificates STREICHER Group

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