HYDAC DFBNHC240TE10B1.1 High Pressure Line Filter 420 Bar 10 Μm Absolute

Product Overview
The HYDAC DFBNHC240TE10B1.1 is a standard model in the DF series high-pressure filter from German HYDAC Technology. It is designed for industrial hydraulic circuits requiring continuous and reliable oil cleaning. It utilizes Betamicron® (BH/HC) composite glass fiber filter media, maintaining stable filtration performance at peak pressures up to 420 bar. It is widely used in metallurgy, construction machinery, wind turbine gearboxes, and injection molding equipment.

Key Selling Points
• Ultra-High Pressure Resistance: The housing has passed the EN 60068-2-27 impact test and is rated for 420 bar with a safety factor of ≥2.5, making it suitable for even the most demanding pulsating loads.
• Absolute Filtration: The 10 µm (β₁₀≥200) BH/HC deep composite filter layer increases dirt holding capacity by 3–4 times compared to conventional paper filter elements, significantly extending oil change intervals.
• Integrated visual clogging indicator: A 1:1 mechanical red pointer displays filter element contamination status in real time, avoiding wasted downtime caused by blind replacement.

• Universal thread connection: G 1¼ ISO 228 straight thread, compatible with DIN 2353 ferrules and SAE flange adapter plates, facilitating on-site retrofits and upgrades.

• No-bypass design: The KB structure prevents contaminants from directly entering the downstream servo and proportional valves during cold starts or misoperation, providing a final safety barrier for high-end hydraulic components.

Technical Parameters
Parameters
Model: DFBNHC240TE10B1.1
Filter Element Material: BH/HC Betamicron® Glass Fiber
Filter Fineness: 10 µm absolute
Maximum Operating Pressure: 420 bar
Connection Size: G 1¼ Thread (ISO 228)
Seal: FPM (Viton)
Clog Indicator: Visual B-Type
Bypass Valve: None
Weight (including filter element): ≈ 7.2 kg

Applications
• Metallurgical Rolling Mills: Main Return Oil Fine Filtration for AGC/HGC Servo Hydraulic Stations
• Construction Machinery: Main Pump Outlet Protection for Crawler Cranes and Rotary Drilling Rigs
• Wind Turbine Gearboxes: Inline Bypass Filtration for Pitch/Yaw Lubrication Systems
• Injection Molding Machines: High-Pressure Oil Source Purification for Servo Energy-Saving Systems

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