Metal Expansion Joints

Quality Control & Testing

Quality Control

Expansion Joints are thought of as high engineering products to which end our Quality Control Department carefully monitors each of the different steps involved in the production process itself, right from the moment the raw materials are purchased up to the final controls and tests carried out on each and every Expansion Joint which come off our production line.

All of the quality controls and tests we carry out are based on our Quality Control Manual, approved under ISO 9001, as well as our Quality Procedures.

Testing

All of our Expansion Joints undergo a series of controls and tests at each of the different steps in the manufacturing process and before they leave the factory. Every Expansion Joint is submitted to a final Dimensional Check and a Leak Detection Test.

The following tests can also be carried out if requested and/or if stipulated in the terms of a contract:

Non-Destructive

  • Radiographic Examination
  • Liquid Penetrant Examination
  • Ultrasonic Examination
  • Magnetic Particle Examination
  • Pneumatic Pressure Test & Leak Detection Test
  • Hydraulic Pressure Test
  • PMI (Positive Material Identification)
  • Chemical and Mechanical Analysis of materials used
  • Spring Rate Test
  • Helium Leak Detection Test

Destructive

  • Fatigue Life Testing
  • Squirm Testing
  • Meridional Yield Rupture Testing
  • Burst Test

All of these controls and tests are carried out in line with the procedures and guidelines approved by the Quality Control Department which certifies such tests. These tests can be carried out, monitored and/or certified by independent companies or classification societies such as the following: TÜV, Lloyd’s Register of Shipping, Bureau Veritas, Det Norske Veritas, ABS Industrial Verification, etc.

Quality Approvals

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