Hydrobolt's quality management system is registered to:

  • ISO9001:2015
  • API Q1
    and meets requirements of:
  • Pressure Equipment Directive (PED) 2014/68/EU
View quality certs

Full traceability to mill certificates is maintained at all time utilising Hydrobolt's ERP System, Vantage Epicor.


Different levels of certification are available according to the application of the products and customer and end user requirements.

The most commonly requested include:

  • Certificate of conformity (CoC)
  • Mill certs
  • PPAP
  • BS EN 10204 3.1
  • BS EN 10204 3.2 with third party inspection bodies:
    • LRQA
    • TUV
    • DNV
    • BV
    • ABS


Hydrobolt's products can only be used in the field if the correct documentation accompanies them.

To suit customer and industry requirements, goods are available with:

  • Certification & inspection packs
  • Vendor data books
  • Final release documentation
  • QC1, 2 & 3 Life Time Quality Records (LTQR's)


Raw material and products tested by ISO17025 approved UKAS laboratories:

  • Mechanical tests
  • Impacts and charpys
  • Hardness
  • Proof load
  • Chemical analysis
  • Elevated temperature testing
  • Micro structure analysis

and non-destructive tested by PCN level 2 & 3 qualified operators:

  • Ultrasonic Inspection/Testing (UT)
  • Positive Material Inspection (PMI)
  • Magnetic Particle Inspection (MPI)
  • Dye Penetrant Inspection (DPI)
  • Radiography (RT)


Whether it’s goods-in, first-off, patrol or final inspection, the minimum level of inspection is governed by Hydrobolt’s Quality Management System.

In addition, further levels of inspection and witnessing are controlled by Quality Plans and/or MITP’s derived from working to our customers’ specifications and international standards.

All raw material is PMI tested before it's put into stock and PMI tested again when it’s released for manufacturing.