Stanlow scale
Stanlow has been owned by Essar since 2011, was renamed EET Fuels in January 2024, and is reported at about 296,000 barrels a day.
Liverpool sits on the Mersey estuary. The Port of Liverpool is the UK's fourth busiest by freight tonnage, handling about 33 million tonnes in 2022, and is the largest port on the UK west coast. If you are specifying an explosion proof mobile phone for Liverpool and the Mersey, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Liverpool and the Mersey: 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. A buyer's engineering review is separate from the certificate. Certification status. Place facts reviewed October 2026.
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Protection concept | Flameproof (Ex d) or intrinsic safety (Ex i) | Intrinsic safety, level ib |
| Zone suitability | Zone 1 gas and Zone 21 dust | Design target for Zone 1 and 21 |
| Certificate | Number, issuing body and schedule of conditions | In progress; not issued |
| Where it applies | Liverpool and the Mersey: Refinery process units at Stanlow, Marine oil terminal jetties, Product pipelines and pump stations | Classified by the site operator |

An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Liverpool. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
Who operates there and which kinds of classified area a handset would meet, from the SAMS site research.
Stanlow has been owned by Essar since 2011, was renamed EET Fuels in January 2024, and is reported at about 296,000 barrels a day.
EET Fuels has announced a 1.2 billion dollar decarbonisation programme, including a hydrogen-ready combined heat and power plant planned for 2027 to 2029, so project work is expected.
In 2023 the UK government designated Liverpool a Freeport to encourage international commerce, which affects customs handling and site development around the port.
Liverpool hosts UK offices of shipping lines including Atlantic Container Line, Bibby Line, Hapag-Lloyd, Irish Ferries and Maersk, so marine buyers and technical managers are close together.
The port handles about 45 percent of the UK's trade with the United States, and the city's economy also includes maritime, life sciences and advanced manufacturing sectors.
The Liverpool2 container terminal, completed in 2022, increased the port's capacity and allows it to handle the world's biggest container vessels.
“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 Liverpool and the Mersey. At Stanlow and the Tranmere jetties, 'explosion-proof' covers refinery process units, tank farms, pump stations and marine terminals. Flameproof Ex d suits fixed motors and junction boxes, while intrinsic safety suits a handheld carried along pipeline routes. The operator decides which concept applies in each area, whatever the everyday term implies.
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
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.
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.
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.
Likely candidates are refinery process units at stanlow, marine oil terminal jetties, product pipelines and pump stations, tank farms. Which areas are classified, and to what zone, is set by the site operator's own area classification drawings.
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.
It can change customs processes for goods moved within the Freeport area, but product-safety and radio rules still apply. Confirm treatment of electronic devices with your customs agent and the Freeport operator before shipping.
Yes. The Dangerous Substances and Explosive Atmospheres Regulations apply across Great Britain, with HSE as regulator. Port operators and tenants must classify areas and control ignition sources, so ask for the site's hazardous-area register before using electronics.
Mainly at the Stanlow refinery in Ellesmere Port on the Manchester Ship Canal and at the Tranmere Oil Terminal on the Mersey, which supplies crude to Stanlow by a pipeline of about 24 km. The city itself is not the classified site. Check zone details with the operator.
More on Liverpool, and on other places in 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.
Send the zone and gas group of your site and we will reply with the datasheet and schedule.