DNV 2.7-1 Offshore Container is a standard for offshore transport containers developed by Det Norske Veritas (DNV), and its full name is DNVGL-ST-E271 (formerly DNV 2.7 - 1). This standard aims to regulate the design, manufacturing, inspection and certification requirements of containers used to transport goods, equipment and personnel in the offshore oil and gas industry, ensuring their safety, reliability and applicability in harsh offshore environments.
Winner Offshore containers are designed to offshore containers standards DNV-ST-E271 (DNV 2.7-1) and are certified by the authorities such as Det Norske Veritas (DNV) or Lloyd’s Register (LR) or Bureau Veritas (BV).
Product Parameters
Tank Type | 20' lsO full frame collar tank, Type UN Portable Tank Tl, insulated, steam heated, top side rails fitted |
Frame Dimensions | 20'x 8'x 8'6” |
Capacity | 21,000 Litres (+ /-1%) | 24,000 Litres (+/-1%) | 25,000 Litres (+ /-1%) | 26,000 Litres (+0 /-1%) |
.G.W. | 36,000 kg |
Tare (est.) | 3,550 kg +/-3% | 3,650 kg +/-3% | 3,750 kg +/-3% | 3,800 kg +/-3% |
Max Payload | 32,450 kg | 32,350 kg | 32,250 kg | 32,200 kg |
Design Pressure | 4 Bar |
Test Pressure | 6 Bar |
Max.Allowable Vacuum | 0.41 Bar |
Design Temp | -40°C to H30°C |
Vessel Material | SANS 50028-7 WNr 1.4402/4404(C<0.03%),equivalent to 316L |
Shell: Cold Rolled 2B finish |
Ends: Hot rolled or Cold Rolled, polished internally to 1.2 Micron CLA |
Shell Thickness | 4.4 nominal |
Ends Thickness (A.F) | 4.5 mm nomina | 4.6 mm nominal |
Corrosion allowance | 0.2mm |
Frame Material | GB/T1591-0345D or SPA-H (or equivalent) |
Frame to Shell | 304 stainless steel |
Corner castings | ISO 1161 - 8 off |
Vessel Design code | ASME Vll Div.1 where applicable |
Radiography | Shell | ASME Spot |
Ends | ASME FuIl |
Inspection Agency | LR or BV |
Cargo carried | See dangerous cargo lists for UN Portable Tll tank |
Stacking | Each container approved for 10 high stacking |
Design Approvals | IMDG TI1, CFR 49, ADR/RID, CSC, TC, TIR, ISO, UIC, US DOT |