Hydrogen and ethylene
Hydrotreaters carry hydrogen and crackers carry ethylene. The IS-04Z1 is designed to a Zone 1 IIC target, intended to cover the range of gas groups in one device.
Canada · Refining & chemicals
Explosion proof mobile phone for refining and chemicals in Canada
Canada’s refining and chemicals sector is split across Sarnia, Edmonton and Fort Saskatchewan, Saint John and the St Lawrence, and an explosion proof mobile phone for Canada has to work in refinery units and polymer plants alike. This page is for the HSE, turnaround and telecoms staff who specify equipment for those regions. The IS-04Z1 is designed around intrinsic safety rather than a flameproof enclosure.
Launching Q4 2026 · CSA and IECEx programme in progress
Local approvalCSA C22.1 · SCC-accredited certificationZone 1 and Class I Division 1 · in progress
AvailabilityQ4 2026via authorised distributors
The sector · Refining and chemicals
What is classified in each region
Sarnia’s Chemical Valley holds Imperial’s refinery, a Suncor refinery, NOVA Chemicals’ Corunna site and other plants, packed along the St Clair River. In Alberta, Imperial’s Strathcona and Suncor’s Edmonton refineries and Shell’s Scotford complex sit near Edmonton and Fort Saskatchewan, with Dow’s Fort Saskatchewan site and NOVA’s Joffre ethylene plant in the same corridor. On the Atlantic, Irving Oil’s Saint John refinery, the largest in Canada, receives crude at Canaport. In Quebec, Valero’s Jean Gaulin refinery at Lévis and Suncor’s Montréal refinery serve the St Lawrence.
A refinery is classified around distillation, conversion units, tank farms and loading racks, with hydrogen at hydrotreaters. A cracker adds ethylene, and polyethylene plants add powder and pellet dust, so Zone 21 matters as much as Zone 1. Contractors move between neighbouring plants, so one handset policy must hold across sites with separate owners. Edmonton’s Heartland has a different feel again: large plants spread over open farmland, where a round can involve a drive between units and the wind and winter cold matter as much as the hazard class.
Operators and sites
- Imperial Oil
- Strathcona, Sarnia and Nanticoke refineries.
- Suncor Energy
- Edmonton, Sarnia and Montréal refineries.
- Irving Oil
- Saint John refinery and Canaport terminal.
- Valero
- Jean Gaulin refinery at Lévis, Quebec.
- NOVA Chemicals and Dow
- Joffre and Corunna crackers; Dow at Fort Saskatchewan.
Classified units and areas
- Crude and conversion units
- Distillation, cracking and hydrotreating with hydrogen.
- Crackers
- Ethylene and light hydrocarbons at high pressure.
- Polymer plants
- Combustible dust from powder and pellets.
- Tank farms and loading racks
- Flammable liquid transfer, ship, rail and truck.
- Marine terminals
- Berths and offshore moorings in open weather.
- Offices and control buildings
- Outside the classified boundary.
Built for local conditions
What refineries and chemical plants ask of a handset
The hazard types here are well known, so the specification debate is about duty, not novelty.
IP ratingIP68
Battery4,000 mAh
Camera50 MP
OSAndroid 16
Dust in polymer plants
Powder and pellet handling is a dust hazard. A Zone 21 design target means one device is meant to suit both gas and dust units.
Both official languages
Android 16 runs in English and French, which matters for crews in Quebec and for contractors moving between provinces.
Many owners, one cluster
Sarnia contractors work for several operators in a week. Each operator manages enrolment under its own policy, and a handset is wiped at the end of each job.
Use cases · Refining and chemicals
Where the IS-04Z1 explosion proof mobile phone goes to work.
Refining01
Turnaround at Strathcona or Sarnia
A turnaround pulls hundreds of trades into units on overlapping permits. A managed handset carries the job pack and isolation photographs.
Chemicals02
Cracker and polymer plant rounds
An operator inspecting a cracker and its polymer finishing area needs a device for both gas and dust.
Marine03
Saint John berth operations
Transfers at a berth are open and weather-bound, with crude arriving by ship at Canaport for Irving’s refinery and at the Valero dock on the St Lawrence. A handset with a call to the control room, GNSS and a camera supports tank and line checks.
How work is organised
Turnaround seasons and provincial rules
Refining is organised around planned shutdowns and by province.
- Turnarounds
- Planned shutdowns bring large contractor crews into units on a schedule. Turnaround seasons at neighbouring plants compete for the same trades, so handsets are issued, enrolled and returned in large batches.
- Provinces
- Alberta, Ontario, New Brunswick and Quebec each apply the electrical code through their own bodies, so an inspector in Sarnia and one in Saint John read the same certificate against different local practice.
- Contractors
- Trades move between plants in a cluster, so enrolment and wiping must be quick.
- Approval route
- We have not verified any operator vendor programme. See Imperial Oil and Suncor, and ask each procurement and HSE team.
Questions · Refining and chemicals
Frequently asked questions
Does approval at one Sarnia plant carry to its neighbour?
No. Each operator runs its own review and procurement, even where sites are adjacent, and an approval at one plant is not a reference the next plant is obliged to accept.
Which gas groups are present?
Hydrogen is IIC, ethylene is IIB, and most refinery hydrocarbons are IIA. A device designed to IIC covers the range.
Is CSA certification the only requirement?
Canadian code requires certification by a Standards Council of Canada accredited body. IECEx is supporting evidence.
Does the device cover polymer plants?
It is designed for Zone 21 dust as well as Zone 1 gas, subject to each site’s area drawings. Polyethylene powder and pellet areas are where that second half of the design target matters most.
Enquiry · Refining & chemicals
Ask about the IS-04Z1 for Refining & chemicals, Canada
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 Canada. 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 · Refining & chemicals
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.