S409 Medium Pressure Spin-On Filter Assemblies

Hy-Pro medium pressure S series filters are designed for installation on the return line to remove contaminant ingested or generated by the system. Functions include off-line filtration (kidney loop or filter cart) and some suction applications.

Ideal for automotive manufacturing and assembly machine tools, mobile applications such as waste haulers and transit, filter carts and filter panels, and power unit return line/suction.

Max Operating Pressure: 500 psi (35 bar)


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Media matters.

Only Hy-Pro S409 Spin-On assemblies come with DFE rated filter elements to ensure maximum particulate capture and retention. And with media options down to β2.5[C] ≥ 1000, you can be sure contamination stays exactly where you want it: out of your fluid.

Easily configured.

With a variety of connection types and sizes, indicator options, and included mounting provisions all in a compact package, the S409 is ready to go to work in mobile equipment, return line, hydrostatic and other applications.


Fits in all the right places.

With flow rates up to 35 gpm (132 lpm), temperature resistance to 200°F (93°C), a 2:1 safety factor, high fluid compatibility and a tight footprint, the S409 delivers the best filtration everywhere you need it. Even combine two S409 assemblies in series for incredibly low ISO Codes and water removal in a single pass.