Marine & Deep-Sea Heavy Engineering
Heavy-Duty Offshore Containment: Deep-Sea Rig & Marine Equipment
Engineered to withstand extreme saline corrosion, severe dynamic wave loads, and high-pressure subsea environments. Certified by top marine classification societies for offshore oil & gas platforms and subsea support vessels.
DNV 2.7-1
Offshore Lifting Standard
C5-M / CX
Extreme Marine Coating Grade
3,000M+
Subsea Pressure Resilience
100%
Class Society Certified (DNV/ABS/BV)
// APPLICATION 01
Offshore Acidizing & Chemical Tanks
Heavy-gauge pressure vessels designed for offshore well stimulation, corrosive acid storage, and drilling fluid circulation under harsh sea conditions.
// APPLICATION 02
DNV 2.7-1 Portable Offshore Containers
Structural frame-enclosed tank units custom-engineered for offshore crane lifting, dynamic impact resistance, and intermodal marine supply vessel transport.
// APPLICATION 03
Platform Nitrogen & High-Pressure Gas Buffers
High-capacity surge and storage tanks for offshore platform inerting, purge control, and pneumatic blowout preventer (BOP) actuation systems.
Marine Classification & Offshore Standards
DNV 2.7-1 / EN 12079
ABS Class
BV Marine
CCS Marine
ASME VIII Div 1/2
IMDG Code
| Product Scope | Offshore Chemical Portable Tanks, Mud/Cement Storage Pressure Vessels, Platform Nitrogen Buffer Bottles, Subsea Equipment Chambers |
|---|---|
| Structural & Outer Frame | Heavy structural steel frames engineered for dynamic crane impact load tests, pad-eye proof load testing, and sea-fastening integration |
| Corrosion Protection | Multi-layer marine epoxy coating system (NORSOK M-501 compliant), thermal spray aluminum (TSA), and sacrificial anode cathodics |
| Pressure & Shell Design | 316L Stainless Steel / Super Duplex Steel (S32750/S31803) or Heavy Carbon Steel with internal rubber/fluoropolymer lining |
| Testing & Class Inspection | 100% NDT (RT/UT/MT/PT) weld examination, hydrostatic proof test at 1.5x design pressure, 2.5g drop test verification for DNV frames |
| Valve & Instrument Deck | 316L SS heavy-duty marine valves, explosion-proof level transmitters, protected valve cabinet with sea-spray proof enclosures |