Hydrogen and a wide gas group
A marking target of Ex ib IIC covers hydrogen as well as the IIA and IIB hydrocarbons, so a single specification suits a cracker, a reformer and a tank farm.
Nigeria · Petrochemical
Explosion proof mobile phone for Petrochemical in Nigeria
Nigeria's refining, fertiliser and petrochemical complexes at Lekki and Eleme combine hydrogen, light hydrocarbons, ammonia and process dust. An explosion proof mobile phone for Nigeria petrochemical work has to cope with all of them in one walk. This page covers those sites. The IS-04Z1 is designed around intrinsic safety rather than a flameproof enclosure.
Launching Q4 2026 · certification programme in progress
Local approvalIECExIECEx · in progress
AvailabilityQ4 2026via authorised distributors
The sector · Nigeria
Where an explosion proof mobile phone is needed in Nigerian petrochemicals
Two clusters dominate. At Lekki, east of Lagos, the Dangote complex combines a large refinery with a polypropylene plant and a urea plant. At Eleme, near Port Harcourt, Indorama operates petrochemical and fertiliser units, and the state's Port Harcourt refinery stands at Alesa-Eleme nearby. Notore operates an ammonia and urea business at Onne, and the state refineries at Warri and Kaduna have their own petrochemical history. The hazards are broader than a pure oil site. Hydrogen is present in hydrotreating and reformer units, ethylene is Group IIB and propylene IIA, ammonia is Group IIA with toxic hazards on top, and polymer powder, pellets and urea granules bring combustible dust to silos, bagging halls and conveyors. Plants like these run tight shutdown windows, so the contractor headcount rises sharply for a few weeks.
Operators and contractors
- Dangote Petroleum Refinery and Dangote Fertiliser
- Refinery, polypropylene and urea at Lekki.
- Indorama Eleme companies
- Petrochemical and fertiliser production at Eleme.
- Notore Chemical Industries
- Ammonia and urea at Onne.
- NNPC Limited refineries
- Port Harcourt, Warri and Kaduna; see NNPC Limited.
- Gas suppliers
- Pipeline feed gas and LPG for crackers and ammonia plants.
- Turnaround contractors
- Large Nigerian and international crews for shutdowns.
Classified units and areas
- Refinery process units
- Crude distillation, cracking, hydrotreating.
- Hydrogen generation
- Group IIC atmospheres at pressure.
- Ethylene, propylene and polymer lines
- Group IIB and IIA gases plus polymer powder.
- Ammonia synthesis and storage
- Ammonia gas, with toxic exposure rules.
- Urea granulation and bagging
- Combustible urea dust in towers, conveyors and bagging halls.
- Tank farms and loading
- Solvent, naphtha and product storage.
- Jetties and marine facilities
- Loading at Lekki and Eleme area terminals.
Built for local conditions
What a mixed gas and dust plant does to a handset
A petrochemical site brings gas, vapour and dust together. One handset that covers all of them reduces the number of rules operators have to teach.
IP ratingIP68
Battery4,000 mAh
Camera50 MP
OSAndroid 16
Dust at bagging and silo areas
Polypropylene and urea dust settles on surfaces and equipment. The Zone 21 design target addresses dust areas, and IP68 sealing keeps fine powder out of the housing.
Humidity and heat
Both Lekki and Eleme are hot and humid for most of the year. The temperature class on the certificate decides where the device may be carried, so check it against the area drawings.
Large plots and long walks
Complexes of this kind cover a large plot, and the 4,000 mAh battery is sized for a full shift with camera and GNSS active.
Contractor surges during shutdowns
Short windows bring hundreds of contractors. Android Enterprise with an existing MDM console lets one team enrol and later wipe temporary devices.
Use cases · Petrochemical
Where the IS-04Z1 goes to work in petrochemicals.
Turnaround01
Shutdown and hold point control
Large units concentrate thousands of contractor hours into short shutdown windows with the whole process area classified. Supervisors clear a hold point from the work front.
Operations02
Unit and bagging hall rounds
An operator at an ammonia or urea unit records readings and photographs a leaking seal, with a device designed for gas and dust together.
Inspection03
Tank farm and jetty inspections
Inspectors log coordinates and photographs of corrosion or leaks on tanks and loading lines, ready to attach to the work order.
Approvals · Petrochemical
What plant buyers ask for
Plant owners run their own HSE standards. Ask each plant's procurement and HSE teams which equipment review applies, since the Indorama, Notore and Dangote plants are separate companies with separate rules. They normally expect the IECEx certificate, with marking, gas group, dust protection and temperature class. In Nigeria the SONCAP and NCC steps and Nigerian content paperwork apply too. SAMS has no supply relationship with any plant named here.
- Ex evidence
- IECEx certificate, in progress.
- Gas and dust
- Ex ib IIC target; Zone 1 and Zone 21 design.
- Import
- SONCAP and NCC type approval.
- Local content
- Nigerian partner with NCDMB documents.
Questions · Petrochemical
Frequently asked questions
Is ammonia handled the same way as hydrocarbon gas?
Ammonia is Group IIA for explosion protection, but it is toxic, so gas detection and respiratory protection apply on top of the handset's Ex marking.
Does urea dust need Zone 21 protection?
Many fertiliser plants classify granulation and bagging areas for combustible dust. The area classification document decides the zone, and the handset is designed with a Zone 21 target.
Why does hydrogen matter for the handset?
Hydrogen is Group IIC, the most easily ignited common group. A handset marked only IIB would not be permitted in those units.
Can one handset serve a refinery and a fertiliser plant?
Design target allows it, but each plant's classification and rules must be checked separately.
Enquiry · Petrochemical
Ask about the IS-04Z1 for Petrochemical, Nigeria
Tell us the site, the zone and gas group, and roughly how many handsets. The SAMS team replies by email with the datasheet and the certification schedule for Nigeria. The IS-04Z1 is pre-launch and certification is in progress, so there is no list price yet; indicative pricing is issued in writing against a stated quantity and site.
Enquiry · Petrochemical
Launching Q4 2026
Evaluating the IS-04Z1 for this site?
Tell us the zone, gas group and operator. We will send the datasheet and the certification schedule for your market.