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Cilacap Refinery · explosion proof

Explosion-Proof Smartphone in Cilacap Refinery

Cilacap, on the south coast of Central Java, has Pertamina's Refinery Unit IV, the largest in Indonesia at 348,000 barrels per day. Cilacap is Indonesia's largest refinery at about 348 thousand barrels a day, ahead of Balikpapan, Dumai, Musi, Balongan and Tuban, which together made up the national refining capacity of 1.15 million barrels a day at the end of 2024. If you are specifying an explosion proof smartphone for Cilacap Refinery, Central Java, this page covers the markings, the approvals and the current certification status of the IS-04Z1.

Pre-launch · certification in progress · Launching Q4 2026

SAMS IS-04Z1 intrinsically safe smartphone for Cilacap Refinery, front view
Marking targetEx ib IIC T4Intrinsic safety, Zone 1 / 21 design target · certification in progress
AvailabilityQ4 2026via authorised distributors
Search topicexplosion proof
DeviceSmartphone
RouteSpecification
WhereCilacap Refinery

Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Cilacap Refinery, Central Java: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.

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.

At a glance · explosion proof

Checklist: explosion proof smartphone for Cilacap Refinery, Central Java

Specification checklist against the IS-04Z1 today
CheckWhat to look forIS-04Z1 today
Protection conceptFlameproof (Ex d) or intrinsic safety (Ex i)Intrinsic safety, level ib
Zone suitabilityZone 1 gas and Zone 21 dustDesign target for Zone 1 and 21
CertificateNumber, issuing body and schedule of conditionsIn progress; not issued
Where it appliesCilacap Refinery, Central Java: Refinery process units, Crude and product tank farms, Marine loading facilitiesClassified by the site operator
Product · Cilacap Refinery

The product behind this search: the SAMS IS-04Z1.

SAMS IS-04Z1 explosion proof mobile phone, front view

SAMS IS-04Z1

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Cilacap Refinery. 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 · Cilacap Refinery, Central Java

Cilacap Refinery, Central Java: 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

  • Pertamina

Classified areas to expect

  • Refinery process units
  • Crude and product tank farms
  • Marine loading facilities
Local conditions · Cilacap Refinery, Central Java

What Cilacap Refinery, Central Java means for portable equipment

Capacity figures

Sources quote 345,000 to 348,000 barrels per day, so check the current rating with the operator.

Climate

Hot, humid tropical conditions with a heavy rainy season.

Field notes · Cilacap Refinery, Central Java

More about Cilacap Refinery, Central Java that matters for portable equipment

Cilacap Refinery, Central Java: logistics and access

Indonesia remained a net importer of petroleum products in 2024, at about 787 thousand barrels a day or 42 percent of consumption, which keeps pressure on large refineries such as Cilacap to run reliably.

Cilacap Refinery, Central Java: geography and layout

Refinery Unit IV is in Central Java and plays a critical role in meeting domestic fuel and petrochemical needs for the island, which makes shutdowns carefully planned events.

Cilacap Refinery, Central Java: logistics and access

Cilacap's port is one of only a few on Java's southern coast able to handle ships of reasonable tonnage, sheltered by Nusakambangan island, and Tunggul Wulung Airport offers scheduled flights to Jakarta and Semarang.

Cilacap Refinery, Central Java: who works there

PT Kilang Pertamina Internasional, a Pertamina subsidiary, manages the refinery and has appointed outside consultants for asset integrity work, so contractor engagement typically runs through that company's procurement rules.

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 Cilacap Refinery, Central Java. Across crude distillation, cracking and storage at Cilacap, explosion-proof means different things in different places. Flameproof Ex d enclosures protect fixed equipment, while a handheld carried through units and tank farms uses intrinsic safety. The refinery's classification drawings decide which concept is accepted.

The route · specification

Specifying an explosion proof smartphone for Cilacap Refinery

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 · Cilacap Refinery

Frequently asked questions

Can we buy an explosion proof smartphone in Cilacap Refinery today?

Not yet. The IS-04Z1 is pre-launch and its certification is still in progress ahead of a Q4 2026 launch. No unit goes into a classified area before the certificate covering it exists. The datasheet, the certification schedule and safe-area evaluation units are available now.

What does an explosion proof smartphone in Cilacap Refinery 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 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 Cilacap Refinery, Central Java would use it?

Likely candidates are refinery process units, crude and product tank farms, marine loading facilities. 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.

What products at Cilacap create the main gas hazards?

The complex processes crude into gasoline, diesel, kerosene, aviation fuel and LPG, plus asphalt and petrochemicals. Flammable vapour from light products and pressurised LPG are the usual concerns, but the plant defines its zones, so ask for the current classification.

Why does the number of assets at Cilacap matter for safe equipment choice?

With more than 85,000 maintainable assets and an ongoing safety-critical-element review, the refinery is formalising what is classified and how it is maintained. That usually means device approvals and area classification records are checked closely, so bring documentation.

How wet does Cilacap get, and does it matter for a handset?

The climate is hot and humid with a heavy rainy season, so devices on tank farms and jetties meet rain often. Check sealing and charging arrangements. Rain protection is separate from explosion protection, so confirm the permitted device list with the operator.

Enquiry · Cilacap Refinery, Central Java

Ask about the IS-04Z1 for Cilacap Refinery, Central Java, Indonesia

Send the site, zone and gas group and roughly how many handsets. We reply by email with the datasheet and the certification schedule.

Enquiry · Cilacap Refinery, Central Java

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Launching Q4 2026

Planning for Cilacap Refinery?

Tell us the zone, gas group and operator. We will send the datasheet and the certification schedule.