Return Line and Suction Boost Filters

HYDAC RF Return Line Filters are robust and efficient filtration solutions engineered for hydraulic systems with flow rates up to 15,000 l/min and pressure levels up to 25 bar. Designed for flexible installation options, these filters ensure effective removal of contaminants, extending system life and reducing maintenance demands.

Key Features:

• Installation sizes: 30, 60, 110, 160, 240, 330, 450, 580, 660, 950, 1300, 2500, 4000, 5200, 6500, 7800, 15000
• Connections: G½ to DIN DN 300
• Connection for a clogging filter 

HYDAC RFD Change-Over Return Line Filters are engineered for continuous, uninterrupted filtration in hydraulic systems with flow rates up to 1,300 l/min and pressure levels up to 25 bar. Featuring a dual-housing design with a ball-type selector valve, these filters allow for seamless change-over between elements, ensuring maximum uptime and protection against contamination.

Key Features:

• Flow rates up to 1300 l/min
• Nominal Pressure levels up to 25 bar
• Connections: G¾ to SAE DN 100

HYDAC RFM Return Line Filters with 2-Hole Mounting are compact, lightweight solutions for efficient filtration of hydraulic fluids in both tank-mounted and in-tank configurations. With flow capacities up to 2,600 l/min and pressure handling up to 10 bar, RFM filters are ideal for mobile and space-restricted applications, ensuring clean return oil and reliable system operation.

Key Features:

• Flow rates up to 200 l/min (tank mounted versions) or up to 2600 l/min (in-tank versions)
• Pressure levels up to 10 bar
• Connections: G½ to SAE DN 65

HYDAC RFM Return Line Filters with 4-Hole Mounting are designed for reliable and space-efficient return oil filtration in hydraulic systems, supporting flow rates up to 850 l/min and pressure levels up to 10 bar. Built to international standards, these filters feature robust construction, flexible installation options, and high-efficiency filter elements for optimal contamination control and system protection.

Key Features:

• Flow rates up to 850 l/min (tank mounted versions)
• Pressure levels up to 10 bar
• Connections: G½ to SAE DN 65

HYDAC RFMR Return Line Filters with Magnetic Core offer advanced contamination control for hydraulic systems, combining mechanical filtration with integrated magnetic separation. Designed for return line applications up to 10 bar, RFMR filters feature a top-removable element design and are available in two modular variants—RFMR-KIT and RFMR-SET—for flexible installation and maintenance.

Key Features:

• Magnetic Core Integration: Captures ferrous particles for added protection
• Modular Design: Available in KIT and SET versions with top-removable elements
• Built-In Bypass Valve: Ensures consistent flow and protects against pressure spikes

HYDAC RFN Mounted Return Line Filters are designed in accordance with DIN 24550 for efficient filtration in hydraulic systems with flow rates up to 630 l/min and operating pressures up to 10 bar. Their modular, durable construction and compatibility with industry standards make them ideal for reliable return line filtration in various applications.

Key Features: 

• Flow rates up to 630 l/min
• Pressure levels up to 10 bar
• Temperature range: -10 °C to +100 °C
• Connections: G½ to DN 64
• Installation sizes: 40, 63, 100, 160, 250, 400, 630

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

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

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 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
• Installation sizes: 600, 800
• Temperature range -30 °C to +120 °C