Refining
Motiva's Port Arthur refinery reached 600,000 barrels a day in 2012, and the company describes its refinery as North America's largest. Motiva has been wholly owned by Saudi Aramco since 2017.
Port Arthur · industrial
Industrial Mobile Phone in Port Arthur
Port Arthur lies on the Sabine-Neches waterway in the Texas Golden Triangle and is centred on oil refining and petrochemicals. Zone 1 and Zone 21 areas arise at refinery process units, petrochemical plants and marine terminals. If you are specifying an industrial mobile phone for Port Arthur, Texas, 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 topicindustrial
DeviceMobile Phone
RouteSpecification
WherePort Arthur
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Port Arthur, Texas: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
For the record, no certificate exists for the IS-04Z1 today. The programme is under way ahead of a Q4 2026 launch. An operator's own vendor approval is a separate step. Certification status. Place facts reviewed October 2026.
At a glance · industrial
Checklist: industrial mobile phone for Port Arthur, Texas
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ingress protection | IP rating for dust and water | IP68 design |
| Fleet management | EMM and MDM support | Android 16 with EMM and MDM |
| Explosion protection | A separate certificate and marking | In progress; not issued |
| Where it applies | Port Arthur, Texas: Refinery process units, Petrochemical plants, Tank farms | Classified by the site operator |
Product · Port Arthur
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 Port Arthur. 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 · Port Arthur, Texas
Port Arthur, Texas: where the IS-04Z1 would work
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Operators and companies on site
- Motiva Enterprises
- Valero
Classified areas to expect
- Refinery process units
- Petrochemical plants
- Tank farms
- Marine terminals
Local conditions · Port Arthur, Texas
What Port Arthur, Texas means for portable equipment
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.
Field notes · Port Arthur, Texas
More about Port Arthur, Texas that matters for portable equipment
Port Arthur, Texas: industry on the ground
An ethane cracker with a capacity of 1 million tonnes of ethylene a year, built by the Baystar joint venture for about 2 billion US dollars, was inaugurated at Port Arthur in 2022.
Port Arthur, Texas: industry on the ground
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, Texas: industry on the ground
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.
Port Arthur, Texas: geography and layout
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.
The term · industrial
What “industrial” means for a smartphone
“Industrial” describes a phone built for plant conditions: sealed, drop-resistant and manageable at fleet scale through Android Enterprise. It does not by itself mean the phone may enter a classified area. Only a device with a valid explosion-protection certificate and marking may do that.
The IS-04Z1 is designed to be both an industrial Android phone (IP68, 4,000 mAh battery, 50 MP camera, Android 16 with EMM and MDM support) and an intrinsically safe one. Its explosion-protection certificates are in progress and have not been issued.
In Port Arthur, Texas. Large refineries use many contractors, and Motiva's website refers to supplier resources and an SAP Ariba platform, suggesting formal supplier onboarding. A device for EMM or MDM enrolment suits contractor fleets. Charging would be in safe areas, and connectivity around process units and terminals should be checked.
The route · specification
Specifying an industrial mobile phone for Port Arthur
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 · Port Arthur
Frequently asked questions
Can we buy an industrial mobile phone in Port Arthur today?
Not today. Until the certificates are issued the IS-04Z1 stays out of classified areas, and until launch there is nothing to purchase. You can ask for the datasheet and the certification schedule, or book a safe-area evaluation unit.
What does an industrial mobile phone in Port Arthur cost?
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.
Is the IS-04Z1 an industrial phone as well as an Ex phone?
Yes by design: IP68 sealing, a 4,000 mAh battery, a 50 MP camera and Android 16 with EMM and MDM support. The explosion-protection certificates are separate and still in progress.
Which areas at Port Arthur, Texas would use it?
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.
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.
How far is Port Arthur from major airports and ports?
The city is about 90 miles east of Houston, the usual gateway, and lies on the west side of Sabine Lake. Confirm customs and site delivery arrangements with your freight forwarder and the plant's receiving contact.
What hazardous areas exist at a refinery and cracker complex?
Process units, tank farms, loading jetties and crackers all have classified areas for flammable gas and vapour, and the operator defines their extent. Request the area classification drawings and the site's equipment rules before any visit.
Do large Port Arthur refineries use formal supplier onboarding?
Motiva's website refers to supplier resources and an SAP Ariba platform, so formal onboarding is likely at large operators. Equipment approval is a separate matter. The IS-04Z1 has no certificate yet. Confirm requirements with the site operator before approaching procurement.
Related guides
Keep exploring
Other guides for Port Arthur, other places in United States, and the pages behind them.
IECEx Mobile Phone Distributor in Port ArthurSame place, different guide
Explosion-Proof Mobile Phone in Port ArthurSame place, different guide
Rugged Mobile Phone Distributor in Port ArthurSame place, different guide
Hazardous Area Mobile Phone Distributor in Port ArthurSame place, different guide
ATEX and IECEx Mobile Phone Distributor in Port ArthurSame place, different guide
Ex-Proof Mobile Phone Distributor in Port ArthurSame place, different guide
ATEX and IECEx Mobile Phone Distributor in Lake Charles LouisianaElsewhere in United States
ATEX and IECEx Mobile Phone Distributor in Permian BasinElsewhere in United States
ATEX and IECEx Mobile Phone Distributor in North Dakota BakkenElsewhere in United States
ATEX and IECEx Mobile Phone Distributor in Midland OdessaElsewhere in United States
United States market guideCertification route and regulators
All guides for United StatesEvery route we cover
Certification statusWhat is in progress
Enquiry · Port Arthur, Texas
Ask about the IS-04Z1 for Port Arthur, Texas, United States
Tell us what you need to equip and where. The SAMS team answers by email with the datasheet and where each certification route stands.
Enquiry · Port Arthur, Texas
Launching Q4 2026
Planning for Port Arthur?
Name the site and the operator and we will send what is available before launch.