Quality & Classifications

IMPAS works according to the following Classifications:

  • Bureau Veritas (BV)
  • Lloyd's Register of Shipping (LRoS)
  • DET Norske Veritas (DNV)
  • Germanischer Lloyd (GL)
  • Registro Italiano Navale (RINA)
  • American Bureau of Shipping (ABS)
  • China Classification Society (CCS)
  • Nippon Kaiji Kyokai (NKK)

QUALITY

  • ISO 9001 - 2008 according to Bureau Veritas

RULES

Dimension rules:

  • NEN - EN ISO 13920: 1996 
  • Class B for precision piping
  • Class C for general piping

Working rules:

  • ASME B 31.3.2002 for high-pressure piping and equipment

Welding rules:

  • NEN - EN ISO 3834 / NEN - EN ISO 14731
  • NEN - EN 287: 2004 for welders' qualification
  • NEN - EN 15614-1: 2004 for weld qualification
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