Filters

HYDAC RFND Reversible Mounted Return Line Filters are DIN 24550-compliant units designed for efficient return oil filtration in systems with flow rates up to 630 l/min and pressure up to 10 bar. Their reversible flow capability allows flexible installation, while the durable design ensures reliable operation in demanding hydraulic applications.

Key Features:

• Flow rates up to 630 l/min
• Pressure levels up to 10 bar
• Temperature range -10 °C to +100 °C
• Connections: G¾ to SAE DN 50
• Installation sizes: 100, 250, 630

VMF dynamic pressure indicators eliminate the unnecessary costs of changing the element too early.

• Max. differential pressure: up to 40 bar
• Typical response pressures: 0.2, 2, 2.5, 5, 16 bar
• Versions: optical, electrical, optical/electrical, manometer

HYDAC VMF Dynamic Pressure Indicators (up to 40 bar) detect filter element clogging through rising differential pressure, with response settings from 0.2 to 16 bar. Available in optical, electrical, combined, or manometer versions, they’re easy to install and help optimize maintenance by avoiding guesswork and unnecessary filter changes.

HYDAC Reversible Pressure Filters DFDKN, designed in accordance with DIN 24550, provide reliable filtration for hydraulic systems with flow rates up to 400 l/min and pressure levels up to 315 bar. Featuring a ball change-over valve, clogging indicator port, and oil drain plug with pressure relief, they ensure optimal system performance and protection.

Key Features:

• Flow rates up to 400 l/min
• Pressure levels up to 315 bar
• Connections: G½ to SAE DN 50

HYDAC LPF...GGA Inline Filters with Integrated Cooler Bypass Valve are designed for systems requiring efficient filtration and controlled cooling flow, supporting up to 260 l/min and 50 bar. With a built-in cooler bypass and check valve, these filters ensure consistent partial flow to the cooler even under demanding conditions.

• Qmax: 260 l/min
• Pmax: 50 bar
• Temperature range: -10 °C up to +120 °C
• Inlet / Outlet to cooler: M27x2
• Sizes: 161, 241, 261, 281

HYDAC SSRF/SSRFD Stainless Steel Return Line Filters are built for high-durability return or change-over filtration in hydraulic systems operating up to 25 bar and 150 l/min. Ideal for continuous-duty applications, these filters feature corrosion-resistant stainless steel construction and are suitable for tank-mounted installations.

Key Features:

• Flow rates up to 150 l/min
• Pressure levels up to 25 bar
• Connections: G1 to SAE DN 25
• Installation sizes: 160

VR dynamic pressure indicators eliminate the unnecessary costs of changing the element too early

• Max. differential pressure: up to 40 bar
• Typical response pressures: 0.2, 2, 2.5, 5, 16 bar
• Versions: optical, electrical, optical/electrical, manometer

HYDAC VR Dynamic Pressure Indicators (up to 40 bar) provide reliable monitoring of filter clogging with response pressures from 0.2 to 16 bar. Available in optical, electrical, combined, or manometer versions, they are easy to install and help reduce maintenance costs by preventing premature or unnecessary filter changes.

HYDAC Return Line Suction Filter RKM ensures efficient filtration for hydraulic systems, handling flow rates up to 800 l/min and pressure levels up to 10 bar. Featuring a bypass valve, back-pressure valve, and a screw-on cover plate, it provides reliable contaminant control and optimal system performance, even under high-viscosity conditions.

Key Features:

• Flow rates up to 800 l/min
• Pressure levels up to 10 bar
• Temperature range: -30 °C to +100 °C (short-term: -40 °C)

HYDAC Pressure Filter MDF ensures efficient hydraulic filtration with flow rates up to 350 l/min and pressure levels up to 280 bar. Designed for durability, it features a robust filter head, screw-in filter bowl, clogging indicator connection, and standard mounting holes, offering reliable system protection and performance.

Key Features:

• Flow rates up to 350 l/min
• Pressure levels up to 280 bar
• Connections: G½ to SAE DN 32

HYDAC LPF Inline Filters offer robust and efficient filtration for hydraulic systems operating up to 280 l/min and 50 bar. Designed without a built-in bypass valve, these filters feature a screw-in bowl and are optimized for applications where precise contamination control is critical.

Key Features: 

• Flow rates up to 280 l/min
• Pressure levels up to 50 bar
• Temperature range: -30 °C to +100 °C
• Connections: M18x1.5 to G1¼
• Installation sizes: 35, 55, 160, 240, 260, 280

HYDAC "RK" Type return line-suction elements are used in return line suction filters of the RKM series

• Filter ratings: 10 and 15 µm
• Filter material: meltblown
• Absolute filtration
• Permissible differential pressure: 20 bar
• Operating temperature: up to 100°C
• Compatible with all conventional operating media
• Without bypass valve

HYDAC "RK" return line-suction elements deliver absolute filtration with low back-pressure performance, even under high-viscosity conditions, making them ideal for mobile machinery with hydrostatic drives. With meltblown filter media and ratings of 10 and 15 µm, they ensure reliable operation without a bypass valve, supporting efficient flow in multi-circuit systems.

VRD dynamic pressure indicators eliminate the unnecessary costs of changing the element too early.

• Max. differential pressure: up to 40 bar
• Typical response pressures: 0.2, 2 bar
• Versions: optical, electrical, optical/electrical, manometer

HYDAC VRD Dynamic Pressure Indicators (up to 40 bar) are designed for early detection of filter clogging, with typical response pressures of 0.2 and 2 bar. Available in optical, electrical, combined, or manometer versions, they are easy to install and help minimize maintenance costs by ensuring timely filter changes without guesswork.