
Fire-Resistant Hydraulic Fluids

Protect your people and facilities with effective fire-resistance
Choosing the right fire-resistant fluid can be a complex decision and involves balancing product performance, cost and regulatory requirements. Ongoing changes in industry standards can also influence the selection process.
Drive system efficiency in your hydraulic equipment with excellent component protection 鈥 all while reducing the risk of fluid ignition to improve the safety and productivity of your facilities.
Our range of fire-resistant hydraulic fluids provide enhanced protection to reduce the risk of ignition and prevent fire hazards in your operations.

Why should you use a fire-resistant lubricant?
Shell Fire-Resistant Hydraulic Fluids are specially formulated to avoid the propagation of a flame and are difficult to ignite 鈥 reducing potential fire hazards and improving safety.
With more compact hydraulic systems that operate at growing power and under increasing pressure, fire risks are becoming more prominent in industrial settings 鈥 despite advances in safety.
Hydraulic systems that operate in severe conditions, extreme temperatures or near an ignition source face an increased risk of fire. So, protecting your people, your equipment and your business from this is essential.
Reasons to use fire-resistant hydraulic fluids

Enhanced safety

Extended service life
Avoid the need for maintenance with high-performance fluids and oil monitoring services to improve your productivity and lower your total cost of ownership (TCO).

Wear protection
Reduce your maintenance costs with enhanced anti-wear properties that keep your equipment components and hydraulic fluid systems running smoothly for longer.

Operate in severe conditions
Operate productively and safely in extremely high or low temperatures, with consistent viscosity delivering responsive performance.
Reduce your impact on the environment
Mining or steel operations in environmentally sensitive settings need hydraulic fluids that not only deliver high levels of protection to equipment but also help you reduce the impact, of an accidental leak or spill, to the ecosystems around your facilities.
Our portfolio of specially formulated fire-resistant hydraulic fluids are difficult to ignite and designed not to propagate a flame from an ignition source, in comparison to mineral-based fluids.
It also features products that are classified as readily biodegradable with low eco-toxicity 鈥 engineered to reduce the impact of spills and leaks, helping you meet your environmental responsibilities.

Discover our fire-resistant hydraulic fluids
Our portfolio of fire-resistant hydraulic fluids is designed for effective fire-risk reduction, across a range of metal, industrial and mobile applications. Using fire-resistant lubricants is a cost-effective option compared with installing mechanical fire-suppression equipment.
We help customers to make the right selection for their business through a detailed dialogue about the products that could, and should, be selected for each application. This advice draws on Shell鈥檚 expertise with the products and the customer鈥檚 understanding of the end use.
Explore our fire-resistant port
Product | Technology | ISO VISCOSITY GRADES | Benefits & Applications |
---|---|---|---|
Shell Turbo S5 DR | HFDR: tri-aryl phosphate based on butylated phenol | 46 | Good oxidation and hydrolytic stability, low foaming. FM Approved, ISO 12922. |
Shell Fire-Resistant Hydraulic Fluid S3 DU | HFDU: nonaqueous synthetic polyalkylene glycol (PAG/ HPEG) | 46, 68, 100 | Excellent wear protection, oxidation and thermal stability, FM Approved. |
Shell Fire-Resistant Hydraulic Fluid S2 DU | HFDU: nonaqueous synthetic organic esters (HEES) | 46, 68 | Good wear protection and system efficiency. Readily biodegradable鹿, low toxicity, >80% bio-based. FM Approved, ISO 12922 |
Shell Fire-Resistant Hydraulic Fluid S1 DU | HFDU: nonaqueous natural ester (HETG) and polyalkylene glycol (PAG) blend | 32, 40, 60 | Good wear protection. Readily biodegradable鹿, low toxicity, USDA certified. FM Approved |
Shell Water-Glycol S2 CX 46 | HFC: Water-glycol | 46 | High-pressure performance up to 4,000 psi, all-season performance. FM Approved, ISO 12922 |

Make a safe switch to fire-resistant hydraulic fluids
Switching from a mineral oil to a water-based or synthetic hydraulic fluid with fire-resistant properties is an effective way to improve the safety of your facilities. Using fire-resistant lubricants is a cost-effective option compared with installing mechanical fire-suppression equipment.
However, care must be taken to ensure the conversion is carried out correctly. It is important to review OEM requirements to confirm the compatibility of a lubricant with system components (including seals, hoses and filters). Even when using compatible lubricants, a small quantity of mineral oil can impair the fire resistance and stability of the new hydraulic fluid.
Similarly, when converting from one fire-resistant fluid category to another, the lubricants must not come into contact. Mixing incompatible lubricants can result in equipment failure. Even hydraulic fluids from the same category, but from different suppliers, should not be mixed unless you can clearly establish their compatibility. Be sure to consult with suppliers when looking to switch to an alternative hydraulic fluid.

The Shell PAG-based hydraulic fluid range
The PAG-based Shell Fire-Resistant range expands this portfolio to offer you high-performing, low-varnishing, long-life, fire-resistant fluids. Download our brochure to discover the full portfolio.

Discover our fire-resistant fluid range
From product performance to regulatory requirements, a lot goes into choosing the right fluid for your metals operation. Our latest brochure covers everything you need to know about fire-resistant fluids, so you can be safe in the knowledge that your equipment will stay protected and effective.
Disclaimers:
1Shell Fire Resistant S1 DU, S2 DU and S3 DU are biodegradable by greater than 60% after 28 days in the OECD 301B Carbon dioxide evolution test.