Oil & Gas Equipment Cases: Built for Offshore and Hazardous Areas

An offshore maintenance team in the North Sea had a calibration instrument case fail on deck. The standard aluminum case had corroded hardware after two winter seasons on the rig—latches seized, handles snapped, and the lid gasket turned brittle. When a storm hit and the case wasn’t secured, it slid across the deck and damaged a control panel. Total incident cost: $31,000 in downtime and equipment repair. The case itself was $450. The failure was predictable; nobody specified a corrosion-resistant build.

Offshore, refinery, and petrochemical environments are the harshest places to move equipment. Standard flight cases corrode, degrade, and fail. Here’s what the right case looks like.

What Kills a Case in These Environments

Threat	What It Does	How the Right Case Resists
Salt spray / humidity	Corroded hardware, bubbled panels	316 stainless hardware, powder-coated extrusion, sealed gasket
Hazardous area (ATEX/IECEx)	Non-spark construction required in Zone 1/2	Non-sparking aluminum (or stainless) hardware, no magnesium components
Wide temperature range (-40 to +80°C)	Brittle plastic, compressed foam, warped panels	UV-stabilized polymers, temperature-rated closed-cell foam
Chemical exposure (solvents, oils)	Dissolved seals, degraded foam	Chemical-resistant gaskets, EPDM seals, closed-cell PE foam
Impact on deck (rolling, sliding)	Dented corners, cracked panels	Reinforced extrusion, 5/8″ plywood substrate, replaceable corners

ATEX/IECEx: What Actually Matters

If your case enters a hazardous area (Zone 1 or Zone 2 explosive atmosphere), the case itself can’t be a spark source. That means:

• No magnesium components—magnesium sparks on impact. Use aluminum alloy (6061-T6) or 316 stainless.
• No static-prone materials—standard ABS can build static. Use conductive or anti-static additives, or specify a grounded case.
• Non-sparking latches and handles—brass or stainless, not plated steel that can rust and flake.

You don’t need ATEX certification for the case itself in most applications—the certification applies to the equipment inside. But the case must not introduce a new ignition source. Specifying non-sparking hardware is a design requirement, not an option.

Corrosion-Proof Hardware: The Real Cost of Saving $15

Hardware Type	Expected Life (offshore)	Cost Premium	When to Spec
Zinc-plated steel (standard)	6–12 months	$0	Never for offshore—interior warehouse only
Stainless steel (304)	2–3 years	+$15–$30 per case	Coastal, humidity-controlled environments
Stainless steel (316 marine grade)	5–10 years	+$30–$60 per case	Offshore, salt spray, chemical exposure
Titanium / monel	10+ years	+$100–$200 per case	Subsea, extreme chemical exposure

The $31,000 North Sea incident happened because the case had standard zinc-plated hardware in an environment that needs 316 stainless. Upgrading to marine-grade hardware costs $45 extra per case. That’s the cheapest insurance on the rig.

What to Spec on Your Order

1. “Offshore/marine build: 316 stainless hardware, powder-coated extrusion, EPDM gasket”
2. “Hazardous area: non-sparking construction—aluminum 6061-T6, no magnesium, anti-static foam”
3. “Temperature range: -40°C to +80°C—specify foam and panel materials rated for this”
4. “Watertight: IP65 or higher—dust-tight and low-pressure jet wash”
5. “Deck-rated: reinforced corners, forklift base, stackable to [X] high”

Standard flight cases are built for touring. They’re not built for offshore decks, refinery units, or arctic pipeline camps. If your equipment travels into those environments, the case spec isn’t optional—it’s part of the equipment protection plan.

Related: Custom Flight Cases | All Aluminum Cases