Medium Pressure In-Line Duplex Filter - DF40 Series

The DF40 duplex filter is a cast iron duplex filter for Marine applications.
Suitable for flows up to 200 l/min and pressures up to 40 bar.

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    The DF40 duplex filter gives you extra flexibility in installation because it can be serviced from the top or the bottom.
    The durable cast iron housing makes it an especially good fit for engine room applications.
    The DF40 with flow up to 200 l/min and pressure up to 40 bar contains Eco elements which help to save the environment and reduce the customer's disposal costs as no metal parts are included.
    This filter also disposes of a double indicator port and test connections which can be isolated with shut-off valves for possible assembly and maintenance.

    • Fuel filter for diesel engines up to 10 MW
    • Lubrication filter for gearboxes and propulsion systems
    • Medium pressure duplex filter in hydraulic systems
    • In-line return duplex filter in hydraulic systems

Performance Characteristics

Flow Rate

200 L/min
0-250 L/min

Seal Material


Mounting Type


Pressure Rating

0-34 bar
0-500 psi bar

Housing Material

Cast Iron (GJS)

Operating Temperature

-20 / +120, -20 / +160 °C

FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker-Hannifin Corporation, its subsidiaries and authorized distributors provide product or system options for further investigation by users having technical expertise. The user, through its own analysis and testing, is solely responsible for making the final selection of the system and components and assuring that all performance, endurance, maintenance, safety and warning requirements of the application are met. The user must analyze all aspects of the application, follow applicable industry standards, and follow the information concerning the product in the current product catalog and in any other materials provided from Parker or its subsidiaries or authorized distributors. To the extent that Parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems. Click here to view all product safety information.
  • Literature and Reference Materials

  • DF40 Series Brochure
  • contact us

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    Auburn Hills, Michigan,
    United States, 48326