West Thurrock
The terminal at West Thurrock, Essex, with about 86 tanks for petroleum products, chemicals and liquefied gas, was acquired in 2016 by Navigator Terminals, a Greenergy and Macquarie joint venture.
London · intrinsically safe
Intrinsically Safe Mobile Phone Distributor in London
London has no refinery, but Thames-side fuel terminals supply the capital: Thames Oilport on the former Coryton refinery site and the large West Thurrock terminal in Essex. London's diverse communities speak over 300 languages, so site teams are multilingual, though safety documentation is usually in English. An intrinsically safe mobile phone distributor in London and the Thames would carry the IS-04Z1 to these buyers once certification completes.
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 topicintrinsically safe
DeviceMobile Phone
RouteDistribution
WhereLondon
Short answer. London and the Thames 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.
For the record, no certificate exists for the IS-04Z1 today. The programme is under way ahead of a Q4 2026 launch. Operator approval runs on its own timeline. Certification status. Place facts reviewed October 2026.
At a glance · intrinsically safe
Checklist: intrinsically safe mobile phone for London and the Thames
| 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 | London and the Thames: Road tanker loading, Gas network sites, Fuel storage terminals | Classified by the site operator |
Product · London
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 London. 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 · London and the Thames
London and the Thames: 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
- Greenergy
- Shell
- Navigator Terminals
Classified areas to expect
- Fuel storage terminals
- Marine jetties
- Road tanker loading
- Gas network sites
Local conditions · London and the Thames
Conditions in London and the Thames that affect handheld equipment
Estuary location
The terminals are on the Thames estuary in Essex, not inside Greater London, so site access involves road transfers from the capital.
Field notes · London and the Thames
More about London and the Thames that matters for portable equipment
London and the Thames: background
London is Europe's largest city economy and one of the world's major financial centres, so many suppliers, consultancies and head offices that approve equipment are based there.
London and the Thames: geography and layout
London stands on the River Thames at the head of a 50 mile tidal estuary down to the North Sea, with 9.14 million residents in 2025 and a metropolitan area of 15.4 million.
London and the Thames: background
The Port of London expanded downstream in the 18th and 19th centuries, and the Underground, the world's first urban rail network, was created to ease traffic congestion.
London and the Thames: climate and equipment wear
London has a temperate oceanic climate with about 600 mm of rain a year but 109.6 rainy days, so showers are frequent although annual totals are low.
The term · intrinsically safe
What “intrinsically safe” means for a smartphone
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 London and the Thames. Terminal rounds cover tank gauging, valve lineups, jetty connections and road tanker loading. A handheld designed for intrinsic safety suits staff who check readings and take photographs while standing at a tank or rack. Gas network sites add smaller routine inspections where the same handheld logic would apply.
The route · distribution
Distributing the IS-04Z1 in London
Distribution of the IS-04Z1 is by authorised partners only, and SAMS has not yet granted a territory for London and the Thames. Each application is reviewed on its merits. Because opening a certified Ex handset in an ordinary workshop invalidates its certificate, the partner must be able to support and service the device locally.
What SAMS looks for in a partner
- Operator relationships
- Existing supplier registrations or a clear route to them with the main operators and contractors in London and the Thames.
- Ex-competent staff
- People who understand zone classification, markings and the conditions of a certificate.
And equally important
- Local-language support
- Documentation, training and helpdesk in the languages the workforce uses.
- Service capability
- Spares, battery replacement and repair routed through SAMS-approved channels.
Questions · London
Frequently asked questions
Can we buy an intrinsically safe mobile phone in London today?
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.
What does an intrinsically safe mobile phone in London cost?
No price is published. While certification is in progress there is no list price and no committed lead time, and a supplier quoting a firm figure for an uncertified Ex handset is promising something it cannot stand behind. Indicative pre-launch pricing is issued in writing against a stated quantity and site.
What does ‘intrinsically safe’ mean for the IS-04Z1?
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.
Which areas at London and the Thames would use it?
Likely candidates are fuel storage terminals, marine jetties, road tanker loading, gas network sites. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
How do I become a SAMS distributor for London and the Thames?
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 London and the Thames.
Who should I contact about explosive atmospheres in London workplaces?
Employers are responsible under the Dangerous Substances and Explosive Atmospheres Regulations, enforced by the Health and Safety Executive or local authorities, and the London Fire Brigade handles fire safety. Ask the premises for its hazardous-area register and risk assessment.
Is London a hazardous-area site or mainly a place for meetings and approvals?
Mainly the latter. Head offices, regulators, consultants and insurers are concentrated in London, while major process plants and terminals are in estuary and regional locations elsewhere. Confirm the actual site and its classification before assuming any hazardous-area requirement.
Does London have refineries or only terminals?
No refinery. The former Coryton refinery stopped refining in 2012 and became the Thames Oilport fuel import terminal, and a large terminal operates at West Thurrock in Essex. Both are on the Thames estuary outside Greater London. Confirm access and equipment requirements with the site operator.
Related guides
Keep exploring
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Explosion-Proof Mobile Phone Distributor in LondonSame place, different guide
Industrial Mobile Phone Distributor in LondonSame place, different guide
Ex-Proof Mobile Phone Distributor in LondonSame place, different guide
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ATEX and IECEx Mobile Phone in LondonSame place, different guide
ATEX and IECEx Mobile Phone Distributor in WalesElsewhere in United Kingdom
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ATEX and IECEx Mobile Phone Distributor in NorwichElsewhere in United Kingdom
ATEX and IECEx Mobile Phone Distributor in LiverpoolElsewhere in United Kingdom
United Kingdom market guideCertification route and regulators
All guides for United KingdomEvery route we cover
Certification statusWhat is in progress
Enquiry · London and the Thames
Ask about the IS-04Z1 for London and the Thames, United Kingdom
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Enquiry · London and the Thames
Launching Q4 2026
Planning for London?
Name the site and the operator and we will send what is available before launch.