Other industry
Valero completed a petrochemical expansion in the city. Golden Pass LNG at nearby Sabine Pass, Texas, reported its first export cargo on 22 April 2026.
Port Arthur lies on the Sabine-Neches waterway in the Texas Golden Triangle and is centred on oil refining and petrochemicals. The Motiva Port Arthur refinery covers about 1,400 acres, started in 1903 on 25 acres at 850 barrels a day and is described by its operator as the largest refinery in North America. Distribution partners for Port Arthur, Texas are being identified ahead of the Q4 2026 launch of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. Port Arthur, Texas has no appointed SAMS distributor yet: the IS-04Z1 is pre-launch (certification in progress, no certificate issued, launch planned for Q4 2026), and distributor applications are open.
Where things stand: the IS-04Z1 has not launched, and none of its four certification routes has produced a certificate yet. An operator's own vendor approval is a separate step. Certification status. Place facts reviewed October 2026.
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Level of protection | ia, ib or ic matched to the zone | ib, for Zone 1 |
| Entity parameters | Uo, Io and Po within the device limits | Published with the certificate |
| Accessories | Chargers and cases certified with the device | Defined at certification |
| Where it applies | Port Arthur, Texas: Tank farms, Marine terminals, Refinery process units | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Port Arthur. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Valero completed a petrochemical expansion in the city. Golden Pass LNG at nearby Sabine Pass, Texas, reported its first export cargo on 22 April 2026.
The Gulf Coast location is hot and humid with hurricane exposure, which shapes turnaround scheduling.
A separate steam cracker of 1 million tonnes a year, a joint venture with BASF, now runs mainly on locally produced ethane and butane.
Port Arthur lies 90 miles east of Houston on the west side of Sabine Lake, with the Rainbow Bridge across the Neches River connecting it to Bridge City.
Port Arthur is tied with Lake Charles and Astoria as the most humid city in the contiguous United States, with relative humidity around 90 percent in the morning.
Motiva also runs the largest base oil plant in the Western Hemisphere, with a base oil capacity of 40,000 barrels a day supplied to customers in more than 15 countries.
Intrinsic safety limits the electrical and thermal energy in a circuit so that neither a spark nor a hot surface can ignite a gas or dust atmosphere, even when a fault occurs. The ib level, used for Zone 1, tolerates one fault. It is the usual way to make a handheld device that a worker carries continuously through a hazardous area.
The IS-04Z1 is designed on this principle for Zone 1 and Zone 21 (marking target II 2 G Ex ib IIC T4). Intrinsic safety is a design basis, not a certificate: certification is in progress and none has been issued yet.
In Port Arthur, Texas. Turnarounds at a large refinery involve many technicians moving between process units, tank farms and terminals. A handheld intrinsically safe phone is designed to be carried through these Zone 1 areas for inspection notes and photographs. Hurricane-driven scheduling makes efficient records useful, but certification must come first.
A distributor for Port Arthur, Texas would carry the IS-04Z1 after certification completes; the Q4 2026 launch is the planning date and no appointment has been made. SAMS reviews applicants one by one and prefers companies with their own Ex-competent technical and service staff, since certified devices must not be repaired outside approved channels.
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.
SAMS has not published a price. Any figure you are offered for an uncertified Ex phone should be treated with caution; written indicative pricing is available for a defined quantity and site.
The circuits are designed to limit energy so a spark or hot surface cannot ignite a gas or dust atmosphere, even with one fault (level ib, Zone 1). Certification of that design is in progress.
Likely candidates are refinery process units, petrochemical plants, tank farms, marine terminals. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
Apply through the distributor page with your company details and the territory you cover. SAMS reviews applications company by company and has not yet granted a territory for Port Arthur, Texas.
Port Arthur is among the most humid places in the contiguous United States, with morning humidity near 90 percent. Condensation inside poorly sealed devices is a real risk, so choose sealed housings and follow the maker's care instructions.
Large refineries run planned turnarounds that bring thousands of contractors on site for a limited period. Operators typically plan equipment and induction well in advance, so contact the site's maintenance planners early and confirm approval requirements.
Port Arthur is hot and humid with hurricane exposure, which shapes turnaround scheduling. A rugged IP68 phone helps with water and dust, and managed enrolment lets a contractor lock or recover devices when a site closes. Store and charge devices in safe areas away from classified plant.
Other guides for Port Arthur, other places in United States, and the pages behind them.
Tell us what you need to equip and where. The SAMS team answers by email with the datasheet and where each certification route stands.
Tell us the zone, gas group and operator. We will send the datasheet and the certification schedule.