Business base
Many industrial buyers and distributors keep offices in the city, while the plants are in other municipalities.
São Paulo · Ex-proof
Ex-Proof Smartphone in São Paulo
Replan serves the interior of Sao Paulo state (about 55 percent of its output) and parts of Mato Grosso, Mato Grosso do Sul, Rondonia, Acre and southern Minas Gerais. The city itself is not a refinery site, but the state hosts four Petrobras refineries: Replan at Paulinia (415,000 barrels a day), Revap, RPBC at Cubatao and Recap at Capuava. This page explains what to look for in an Ex-proof smartphone for Sao Paulo state, and where the IS-04Z1 stands against that list today.
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 topicEx-proof
DeviceSmartphone
RouteSpecification
WhereSão Paulo
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Sao Paulo state: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Current position: certification in progress, nothing issued, launch targeted for Q4 2026. A buyer's engineering review is separate from the certificate. Certification status. Place facts reviewed October 2026.
At a glance · Ex-proof
Checklist: Ex-proof smartphone for Sao Paulo state
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ex marking | Group, category, protection concept, gas group, temperature class | II 2 G Ex ib IIC T4 (target) |
| Gas group | IIA, IIB or IIC matched to the area drawing | IIC (target) |
| Temperature class | T-class below the ignition temperature of the gas | T4, 135 °C (target) |
| Where it applies | Sao Paulo state: Refinery process units, Tank farms, Pipeline terminals | Classified by the site operator |
Product · São Paulo
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 São Paulo. 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 · Sao Paulo state
Sao Paulo state: 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
- Petrobras
Classified areas to expect
- Refinery process units
- Tank farms
- Pipeline terminals
- Fuel storage and loading
Local conditions · Sao Paulo state
What Sao Paulo state means for portable equipment
Refinery cluster
Replan alone accounts for about 20 per cent of Brazil's refining; Revap is 252,000, RPBC 170,000 and Recap 53,000 barrels a day.
Field notes · Sao Paulo state
More about Sao Paulo state that matters for portable equipment
Sao Paulo state: logistics and access
The Port of Santos is 79 km from Sao Paulo city and is reached by the Anchieta and Imigrantes highways, which carry most import and export freight for the region.
Sao Paulo state: industry on the ground
Replan started operating in 1972 on about 9.1 km2, with capacity of 66,000 m3/d, and makes gasoline, diesel, LPG, aviation kerosene, asphalt, petrochemical naphtha and propane.
Sao Paulo state: logistics and access
Guarulhos International Airport, also called Cumbica, is the largest airport in Brazil and Latin America, which makes it the main entry point for visiting engineers and air-freighted spares for São Paulo state.
Sao Paulo state: who works there
Replan at Paulinia, in Sao Paulo state, is Petrobras' largest refinery at 434,000 b/d, and the 2024-28 plan includes new units and upgrades there.
The term · Ex-proof
What “Ex-proof” means for a smartphone
“Ex-proof” is shorthand for equipment carrying an explosion-protection marking (the Ex mark) that matches the area it enters. The marking states the protection concept, gas or dust group and temperature class, and it must be backed by a certificate issued by a recognised body, so a phone described as Ex-proof should come with a certificate number you can check.
The IS-04Z1 is designed to carry the marking II 2 G Ex ib IIC T4. That is a target: certification is in progress, no certificate has been issued, and SAMS will publish the certificate numbers when they exist.
In Sao Paulo state. A marking check should be done per refinery, since Replan, Revap, RPBC and Recap have different units and products. Compare zone, gas group and temperature class with the plant classification. The IS-04Z1 target marking II 2 G Ex ib IIC T4 is not yet certified.
The route · specification
Specifying an Ex-proof smartphone for São Paulo
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 · São Paulo
Frequently asked questions
Can we buy an Ex-proof smartphone in São Paulo 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 Ex-proof smartphone in São Paulo 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.
What Ex marking will the IS-04Z1 carry?
The marking target is II 2 G Ex ib IIC T4. It becomes a marking only when the certificate is issued; until then it is a design target.
Which areas at Sao Paulo state would use it?
Likely candidates are refinery process units, tank farms, pipeline terminals, fuel storage and loading. 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 long does equipment take to reach Sao Paulo state?
Imports usually clear through Santos and travel by highway, but customs and radio approval can add time, so allow a margin. Confirm clearance steps with a local agent early in the project.
What does a Replan visit usually involve?
Typically a gate induction, a permit system and equipment checks at one of Brazil's largest refineries. Confirm with the contractor which zones you will enter and whether your devices need Ex certification and local radio approval.
Does one approval cover all the state's refineries?
Not by assumption. Each plant has its own classification and procedures, and purchasing is usually through registered-supplier processes. Ask each operator for its Ex equipment policy and obtain the area classification for the specific unit before ordering.
Related guides
Keep exploring
More on São Paulo, and on other places in Brazil.
Explosion-Proof Mobile Phone Distributor in São PauloSame place, different guide
Intrinsically Safe Mobile Phone Distributor in São PauloSame place, different guide
Rugged Mobile Phone Distributor in São PauloSame place, different guide
Industrial Mobile Phone in São PauloSame place, different guide
ATEX and IECEx Mobile Phone Distributor in São PauloSame place, different guide
IECEx Mobile Phone in São PauloSame place, different guide
ATEX and IECEx Mobile Phone Distributor in Manaus Industrial ZoneElsewhere in Brazil
ATEX and IECEx Mobile Phone Distributor in Brazil RefineriesElsewhere in Brazil
ATEX and IECEx Mobile Phone Distributor in Itaborai PetrochemicalElsewhere in Brazil
ATEX and IECEx Mobile Phone Distributor in Campos BasinElsewhere in Brazil
Brazil market guideCertification route and regulators
All guides for BrazilEvery route we cover
Certification statusWhat is in progress
Enquiry · Sao Paulo state
Ask about the IS-04Z1 for Sao Paulo state, Brazil
Send the site, zone and gas group and roughly how many handsets. We reply by email with the datasheet and the certification schedule.
Enquiry · Sao Paulo state
Launching Q4 2026
Planning for São Paulo?
Send the zone and gas group of your site and we will reply with the datasheet and schedule.