EHC/Fire-Resistant Hydraulic Fluid
Highest Performing
Shell EcoSafe EHC S3 DU 46 or 68
Shell Turbo DR 46
* Lubricant recommendations are for reference only. Always verify OEM recommendations and operating conditions. Descriptions are subject to change. See Shell Technical Data Sheets (TDS) for official information.
Shell EcoSafe EHC S3 DU 46 or 68
- Synthetic fluid formulated with high viscosity index, polyalkylene glycol (PAG) base stocks for electro-hydraulic control (EHC) valve service in steam and gas turbines, and other fossil-fuel power station applications, including high-pressure systems and systems with servo valves
- Stable, non-corrosive, high-flash-point materials that are compatible with nearly all the commonly used materials in standard hydraulic systems
- Biodegradable by greater than 60% after 28 days in the OECD 301B Carbon dioxide evolution test
- Classified as an HFDU type fire-resistant hydraulic fluid
- With proper flushing and condition monitoring, systems can be converted to Shell EcoSafe EHC S3 DU from phosphate-ester and polyol-ester-based fluids
Shell Turbo S5 DR 46
- A fire-resistant hydraulic and lubricating fluid made using Tri-Aryl Phosphates based on butylated phenol
- Can be used as the hydraulic fluid in electrohydraulic governor control (EHC) systems in steam and gas turbines
- Approved and or exceeds the requirements of the major original equipment manufacturers such as General Electric (GE), Mitsubishi Hitachi Power Systems, and Siemens
- Approved by FM (Factory Mutual) Global against Standard 6930 for ‘Less flammable hydraulic fluids’
