Fabrication

ASME VIII & NORSOK Fabrication — Pressure Vessels, Skids, Spools | Riis Energy Services

Pressure vessels, skids, spools and manifolds fabricated to ASME VIII, ASME B31.3, EN 13445 and NORSOK in carbon steel, 22Cr/25Cr duplex and 6Mo — with 5-axis CNC machining in house.

At a glance

  • ASME U-stamp and NORSOK M-101 qualified
  • CS, SS, 22Cr/25Cr duplex, 6Mo, Inconel overlay
  • 60 t lift capacity, 6,500 m² covered hall
  • 5-axis CNC up to 3,000 mm
  • In-house NDT, PMI and ferrite testing
  • Documentation to NORSOK Z-CR-007

Our 6,500 m² fabrication hall in Tananger handles items up to 60 tonnes with 2 × 40 t overhead cranes. Welding procedures are qualified to ASME IX and ISO 15614 for carbon steel, stainless, duplex, super duplex and 6Mo.

Quality

Dimensional control with laser tracker, in-house NDT (RT, UT, PAUT, MT, PT), PMI on all alloy materials and ferrite measurement for duplex. Documentation to NORSOK Z-CR-007.

Operating envelope

Verified ranges for this service line. Outside these limits? Ask an engineer — we qualify special designs.

Single lift weight
0–60 t
CNC machining envelope
0–3,000 mm
Wall thickness welded
3–150 mm

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