HYDREX™ AW 22 – long-life anti-wear hydraulic oil for precise and efficient systems

HYDREX™ AW 22 is a premium anti-wear hydraulic fluid designed for mobile and stationary hydraulic systems requiring high precision, fast response and reliable wear protection. It offers excellent thermal stability and extended service life.

Its advanced formulation minimizes deposits, improves valve cleanliness and protects hydraulic pumps effectively. HYDREX AW 22 ensures optimal energy efficiency and reliable performance even under demanding operating conditions.

Product Advantages
• Excellent anti-wear protection
• Superior oxidation and thermal stability
• Excellent water separation and hydrolytic stability
• Very good air release and foam resistance
• Extended oil drain intervals
• Strong rust and corrosion protection
• Ideal for precise hydraulic systems

Typical Applications
• Mobile hydraulic systems
• Industrial hydraulic systems
• High-pressure pumps and valves
• CNC machines, presses, machine tools
• Systems requiring fast response

Approvals

Specifications / Approvals:
DIN 51524‑2 HLP
ISO 11158 HM
Eaton Vickers 35VQ25
Denison HF‑0, HF‑1, HF‑2
Bosch Rexroth RDE 90220

Typical Properties (HYDREX AW 22):
Density @ 15 °C: 0.858 kg/l
Viscosity @ 40 °C: 22.0 mm²/s
Viscosity @ 100 °C: 4.6 mm²/s
Viscosity index: 104
Flash point (COC): 210 °C
Pour point: –39 °C
Water separation (54 °C): 40‑40‑0 (10 min)
Air release (50 °C): 2.0 min
Rust test A/B: Pass
Copper corrosion: 1b
Oxidation stability (D943): > 2,000 h
FZG A/8.3/90: > 12
Vickers 35VQ25: Pass
Denison T6H20C: Pass

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Datasheets