Industrial Valve Quality Control and Testing


ERREESSE has its own in-house testing department, all inspections and tests are performed by qualified and experienced personnel in line with project specifications and data sheets in order to satisfy our Customers and their Commitments expectations. A Quality Control Plan (QCP) and an Inspection and Test Plan (ITP) appropriate to the scope of supply can be issued for Client approval before starting of production activities.


Pressure & Functional Testing

The following tests can be performed according to API 6D, API 6DSS, API 598, EN12266-1 or to customer specific requirements:

  • Hydrostatic testing
  • Low pressure gas seat testing
  • High pressure gas testing
  • Cryogenic gas testing (-196°C/-320,8°F)
  • High temperature testing (660°C/1220°F)
  • Fugitive emission gas testing
  • Antistatic testing
  • Torque testing
  • Cavity relief testing
  • Double Block & Bleed (DBB) testing
  • Double Isolation & Bleed (DIB-1&2) testing
  • Hyperbaric qualification testing
Non-Destructive Testing (NDT)

The following tests can be performed by II level qualified personnel in accordance with EN473-ISO9712 / SNT-TC-1A:

  • VT (Visual testing)
  • UT (Ultrasonic testing)
  • PT (Penetrant testing)
  • MT (Magnetic particle testing by Joke)
  • PMI (Positive Material Identification)
  • Hardness test
  • Ferrite test
Material Destructive Testing

Thanks to a strong cooperation with Chemical Laboratories the following tests can be performed according to Customer’s and project specification requirements:

  • Mechanical and Impact test down to –196°C
  • Chemical analysis check
  • Corrosion tests
  • Micro examinations
  • Ferrite check
  • Hydrogen-Inducted Cracking test (HIC)
  • Sulphide Stress Corrosion Cracking (SSCC)