Terminals
Cameron LNG has three trains of about 12 mtpa. Calcasieu Pass has 10 mtpa nameplate capacity and began commercial operations on 16 April 2025. Freeport LNG is in Freeport, Texas.
US LNG Terminals · explosion proof
Explosion-Proof Smartphone in US LNG Terminals
The United States exports LNG mainly from Gulf Coast terminals in Louisiana and Texas. By 2023 the US had become the world's biggest LNG exporter, with Cheniere, Freeport LNG and Venture Global as the largest exporters, and exported about 4.3 trillion cubic feet that year. If you are specifying an explosion proof smartphone for US LNG export terminals, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Marking targetEx ib IIC T4Intrinsic safety, Zone 1 / 21 design target · certification in progress
AvailabilityQ4 2026via authorised distributors
Search topicexplosion proof
DeviceSmartphone
RouteSpecification
WhereUS LNG Terminals
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for US LNG export terminals: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Status: pre-launch. IECEx, ATEX, UKEX and NEC 500 certification is in progress and no certificate has been issued; launch is planned for Q4 2026. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
At a glance · explosion proof
Checklist: explosion proof smartphone for US LNG export terminals
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Protection concept | Flameproof (Ex d) or intrinsic safety (Ex i) | Intrinsic safety, level ib |
| Zone suitability | Zone 1 gas and Zone 21 dust | Design target for Zone 1 and 21 |
| Certificate | Number, issuing body and schedule of conditions | In progress; not issued |
| Where it applies | US LNG export terminals: Liquefaction trains, LNG storage tanks, Ship loading berths | Classified by the site operator |
Product · US LNG Terminals
The product behind this search: the SAMS IS-04Z1.
SAMS IS-04Z1
An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in US LNG Terminals. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
- IP68 sealed
- 4,000 mAh battery
- 50 MP camera
- Android 16
- Zone 1 / Zone 21 design target
The site · US LNG export terminals
US LNG export terminals at a glance: who is there, what is classified
A short profile of the site and the kinds of classified area that matter for portable equipment.
Operators and companies on site
- Freeport LNG Development
- Golden Pass LNG
- Cheniere (Sabine Pass, Corpus Christi)
- Sempra (Cameron LNG)
Classified areas to expect
- Liquefaction trains
- LNG storage tanks
- Ship loading berths
- Gas compression and pipelines
Local conditions · US LNG export terminals
Conditions in US LNG export terminals that affect handheld equipment
New capacity
Golden Pass at Sabine Pass, Texas, reported its first export cargo on 22 April 2026, and Cheniere reports substantial completion of its Corpus Christi Stage 3 project.
Field notes · US LNG export terminals
More about US LNG export terminals that matters for portable equipment
US LNG export terminals: projects and investment
LNG developments sign long-term sales contracts, typically for 20 to 25 years, before investors commit, so sites operate for decades and equipment standards stay stable.
US LNG export terminals: background
Cheniere became the first US company to gain permission to export LNG, and its first exports came in 2016, after a long period in which terminals were designed for imports.
US LNG export terminals: industry on the ground
Cheniere's Corpus Christi site has net liquefaction capacity of 18 million tonnes a year and was reported running near its peak feed-gas rate, with expansion filed for four more trains.
US LNG export terminals: industry on the ground
In 2024 the United States had seven large LNG liquefaction export terminals with a combined capacity of about 88 million tonnes a year.
The term · explosion proof
What “explosion proof” means for a smartphone
“Explosion proof” is the phrase most buyers use for equipment that may be taken into a classified hazardous area. Strictly, it covers several protection concepts: a flameproof enclosure (Ex d) contains an internal explosion, while intrinsic safety (Ex i) limits electrical energy so that an ignition cannot start. Phones are normally intrinsically safe, because a flameproof handset would be too heavy to carry all shift.
The IS-04Z1 uses intrinsic safety, with a marking target of Ex ib IIC T4, and is designed for Zone 1 and Zone 21. It is pre-launch, certification is in progress and no certificate has been issued.
In US LNG export terminals. At an LNG terminal, explosion-proof is everyday shorthand for equipment near liquefaction trains, storage tanks, loading arms and gas compression. The protection concepts are different: flameproof Ex d versus intrinsic safety. The IS-04Z1 is designed for intrinsic safety and targets Ex ib, not a flameproof design.
The route · specification
Specifying an explosion proof smartphone for US LNG Terminals
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
Check on the paper
- Marking
- Equipment group, category, protection concept, gas group and temperature class, matched to the area drawing.
- Certificate and schedule
- A certificate number, issuing body and the schedule of conditions, not a brochure claim.
- Standards edition
- The IEC 60079 or national standard edition the certificate was issued against.
Check for the IS-04Z1
- Marking target
- II 2 G Ex ib IIC T4: a target, not yet a certificate.
- Certificate status
- IECEx, ATEX, UKEX and NEC 500 in progress; none issued.
- Operator approval
- Separate from the certificate and handled with the site operator.
Questions · US LNG Terminals
Frequently asked questions
Can we buy an explosion proof smartphone in US LNG Terminals today?
No. Nothing can be bought or taken into a classified area today: certification is in progress and launch is planned for Q4 2026. What is available now is the datasheet, the written certification schedule and evaluation units for safe-area use.
What does an explosion proof smartphone in US LNG Terminals cost?
There is no list price yet. SAMS gives indicative pre-launch pricing in writing, against a stated quantity and site, and does not commit to a lead time before certification completes.
Is the IS-04Z1 explosion proof or intrinsically safe?
It is intrinsically safe (marking target Ex ib IIC T4), which is the usual way to make a phone for hazardous areas. It is not a flameproof (Ex d) design, and certification is still in progress.
Which areas at US LNG export terminals would use it?
Likely candidates are liquefaction trains, lng storage tanks, ship loading berths, gas compression and pipelines. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
Is intrinsically safe the same as explosion proof?
Not exactly. Explosion proof is a broad everyday term; intrinsic safety is one protection concept, which limits energy so ignition cannot occur. Flameproof (Ex d) is a different concept that contains an explosion. The IS-04Z1 is intrinsically safe by design.
Are LNG terminals busy all year?
Export terminals run continuously, with ships loading regularly and trains shut down only for planned maintenance. Teams visiting for service or inspection need to coordinate with operations and book access well ahead.
How do hurricanes affect Gulf Coast LNG sites?
Several US LNG sites named in federal filings, including Sabine Pass, Cameron and Corpus Christi, are on the Gulf Coast, where storm season makes shutdown and evacuation planning normal. Keep spares and agree storm-season support arrangements with the operator.
Does the same device record work for every US terminal?
Not automatically. Each terminal has its own classification drawings and approval process, so a marking accepted at one may need separate review at another. The IS-04Z1 target is II 2 G Ex ib IIC T4, and certification is in progress. Ask each operator what documents it expects.
Related guides
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United States market guideCertification route and regulators
All guides for United StatesEvery route we cover
Certification statusWhat is in progress
Enquiry · US LNG export terminals
Ask about the IS-04Z1 for US LNG export terminals, United States
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Enquiry · US LNG export terminals
Launching Q4 2026
Planning for US LNG Terminals?
Send the zone and gas group of your site and we will reply with the datasheet and schedule.