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Warning Liquid Nitrogen Signs
£5.25
In stock
SKU
HZ197*
Liquid Nitrogen Warning Signs help safety managers, lab teams and site staff identify cryogenic storage or handling areas so people approach with care.
Liquid Nitrogen Warning Signs warn staff, contractors and visitors that cryogenic liquid is present in laboratories, medical stores, workshops and plant rooms, helping you reduce contact, cold-burn and low-oxygen risks before anyone enters or works nearby.
Where Liquid Nitrogen Warning Signs Should Be Fitted
You should install these signs at cryogenic storage rooms, laboratory entrances, dewar filling points, freezer areas and doors leading to liquid nitrogen workspaces, so the warning is seen before staff, visitors or contractors reach the hazard.
Choosing A Practical Viewing Distance
Choose the size around how early people need to react. Use smaller signs on doors and cupboards, medium signs at lab entrances and larger signs where users approach from corridors, service routes or wider rooms.
| Size option | Best viewing use | Practical distance |
|---|---|---|
| H 210 x W 148 mm | Doors, cupboards, small stores | Up to 3 metres |
| H 297 x W 210 mm | Lab entrances, handling benches | Up to 5 metres |
| H 420 x W 297 mm | Storage rooms, wider approach routes | Up to 8 metres |
Safety Behaviour You Should Expect After Fitting
Once installed in the right position, the sign changes behaviour before contact with the hazard: people slow down, check access rules, use suitable PPE and avoid treating liquid nitrogen areas like ordinary storage spaces.
✅ Staff recognise cryogenic handling points before entering the area.
✅ Visitors and contractors are less likely to approach unprepared.
✅ Supervisors can reinforce PPE, access and storage controls faster.
Liquid Nitrogen Sign Specifications
- Sign message: Liquid Nitrogen
- Sign type: Hazard warning
- Purpose: Warns of liquid nitrogen
- Conforms to EN ISO 7010
- EN ISO 7010 code: W001
- Conforms to BS 5499 sign regulations
- Materials: Rigid Plastic or self-adhesive Vinyl
- Size: H 420 x W 297 mm
- Size: H 297 x W 210 mm
- Size: H 210 x W 148 mm
- Orientation: Portrait
- Shape: Rectangle
- Background colour: Yellow
- Text colour: Black
- Symbol colour: Black
- Pictogram: Warning symbol in black triangle
- Finish: Glossy film surface
- Display area: Indoors and outdoors
Fitting Guidance For Liquid Nitrogen Risk Areas
❌ Placement errors that weaken the warning
❌ Fitting the sign after the entry point instead of before the hazard
❌ Placing it behind open doors, shelving or stored equipment
❌ Using a small size where people approach from a wider route
❌ Fitting the sign after the entry point instead of before the hazard
❌ Placing it behind open doors, shelving or stored equipment
❌ Using a small size where people approach from a wider route
❌ Situations where this sign alone is not enough
❌ Poorly ventilated rooms needing oxygen monitoring or access control
❌ Transfer areas where PPE instructions also need displaying
❌ Emergency routes where escape or first-aid signs are also required
❌ Poorly ventilated rooms needing oxygen monitoring or access control
❌ Transfer areas where PPE instructions also need displaying
❌ Emergency routes where escape or first-aid signs are also required
✅ Better fitting choices for clearer control
✅ Mount at eye level before the storage or handling area
✅ Use rigid plastic on rougher walls and vinyl on clean smooth doors
✅ Keep the sign clean, visible and close to the actual liquid nitrogen point
✅ Mount at eye level before the storage or handling area
✅ Use rigid plastic on rougher walls and vinyl on clean smooth doors
✅ Keep the sign clean, visible and close to the actual liquid nitrogen point
Liquid Nitrogen Warning Signs questions answered
What are Liquid Nitrogen Warning Signs used for? They identify places where liquid nitrogen is stored, handled or transferred, helping people recognise cryogenic risk before entering or working nearby.
Where should I place a liquid nitrogen warning sign? Fit it where it is seen before the risk is reached, such as lab doors, dewar stores, freezer rooms, filling points and controlled access entrances.
Do I need a rigid plastic or self-adhesive vinyl sign? Choose rigid plastic for wall or door mounting where a stronger sign is needed. Choose vinyl for smooth, clean surfaces where adhesive fixing is more practical.
Why does the sign use the W001 warning symbol? W001 is the general warning triangle used with supporting text, so the words “Liquid Nitrogen” clarify the specific hazard.
Can these signs replace liquid nitrogen training? No. They support your safety controls, but staff still need instruction on PPE, storage, ventilation, handling and emergency procedures.
Liquid Nitrogen Warning Sign Features And Benefits
Features
- ✓ Yellow hazard layout with black warning symbol
- ✓ Supplied in rigid plastic or adhesive vinyl
- ✓ Portrait format for doors and storage entrances
- ✓ Glossy non-reflective, non-photoluminescent finish
Benefits
- ✓ Helps people identify cryogenic risk before close contact
- ✓ Gives you flexible fitting for walls, doors and cupboards
- ✓ Supports clearer control around labs and storage rooms
- ✓ Reduces confusion where multiple hazardous materials are stored
Related signs for specialist substances and controlled work areas
For the opposite temperature risk, use hot hazard danger signs around heated equipment, plant and process areas. This helps staff distinguish heat risks from cryogenic hazards.
Where a hazardous substance area also needs restricted entry, choose hazard area do not enter signage at doors and access points. It gives a stronger access message for controlled spaces.
If the work area contains several risks, compare with multi-hazard area multi-message signs for clearer combined warning. Useful where one warning symbol is not enough.
For vehicle or plant areas close to substance storage, add electric vehicles operating caution signs where movement creates an extra workplace risk. This helps separate traffic hazards from handling hazards.
For a wider comparison of warning messages, view site hazard signs for safer workplaces and choose the best match for temperature, access and specialist material risks. It keeps warnings practical and consistent.
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