Petroleum Vapor Warning Sign HS0054

Petroleum Vapor Warning Sign HS0054

The Petroleum Vapor Warning Sign HS0054 is the standard ISO 7010 pictogram for Petroleum vapor, presented in the familiar black-on-yellow warning triangle used across the IMO shipboard signage system. It alerts crew, contractors, and visiting personnel to the presence of flammable and potentially toxic vapors released from petroleum products, prompting immediate awareness of ignition sources, ventilation requirements, and safe working practices in the marked area. Anyone entering a tank space, pump room, or bunkering station relies on this sign to recognise the hazard before it becomes an incident.

Within Safety Sign Hub’s Hazard Signs range, HS0054 sits alongside our other vapor and flammable-substance warnings as one of the most frequently specified signs for tankers, product carriers, and vessels carrying bulk fuel. It is typically fitted at cargo tank hatches, ullage points, pump rooms, bunker stations, slop tanks, and anywhere petroleum-derived vapors can accumulate during loading, discharge, or tank cleaning operations. Deck officers and safety officers use this petroleum vapor warning sign to demarcate zones requiring gas-free certificates, restricted ignition sources, and controlled entry procedures.

Like the rest of the Hazard Signs range, this sign is produced on rigid, marine-grade substrate with a self-adhesive backing option, and is available in photoluminescent material for visibility during power loss or night operations. The print is formulated to resist saltwater spray, UV exposure, and the oily residues common around cargo and bunkering areas, so the pictogram stays legible for years of continuous service.

Why Petroleum Vapor Matters

Petroleum vapor is heavier than air, can travel long distances from its source, and ignites readily in the presence of sparks, hot surfaces, or static discharge. Unmarked or poorly marked vapor-hazard areas are a leading contributor to shipboard fires and explosions during cargo operations, tank cleaning, and bunkering. A clearly posted petroleum vapor warning sign gives crew an immediate, language-independent cue to stop, assess ventilation, and confirm permit-to-work conditions before proceeding.

Beyond ignition risk, petroleum vapors are also an inhalation hazard, and prolonged exposure in confined or poorly ventilated spaces can cause dizziness, respiratory irritation, or loss of consciousness. Displaying this sign at every relevant access point supports enclosed-space entry procedures, toolbox talks, and routine safety rounds, and gives inspectors a fast way to confirm that known vapor hazards are consistently identified across the vessel.

Compliance and Certification

HS0054 reproduces a registered pictogram from the ISO 7010 graphical symbols standard, the internationally recognised library of safety signs referenced throughout IMO shipboard safety signage guidance. Fitting this petroleum vapor warning sign supports compliance with SOLAS general safety requirements for hazard identification and helps demonstrate a proactive safety culture during Port State Control inspections and classification society surveys, where consistent, standard-compliant signage is routinely checked as part of the vessel’s overall safety management verification.

Installation Recommendations

Mount this sign at eye level on bulkheads, tank hatch coamings, or pump room entrances, positioning it wherever vapor release is possible so it is the first thing personnel see before entering. On exposed decks and tank tops, use marine-grade fasteners or the self-adhesive backing on a clean, dry surface, and pair the sign with any required ventilation or gas-testing instructions for the space.

• Reproduces the registered ISO 7010 pictogram for petroleum vapor hazards
• Rigid marine-grade substrate with a self-adhesive backing option
• Saltwater, UV, and oil-resistant print for long service life on deck
• Photoluminescent variant available for low-light and power-loss visibility
• Sized and finished for tank hatches, pump rooms, and bunkering stations

Fit this petroleum vapor warning sign wherever cargo or fuel vapors present a risk, and complete your vessel’s signage plan with our full Hazard Signs range and complementary Fire Fighting Signs for a fully compliant safety layout.