The maximum flow capacity of the filter must be equal or higher than the flow rate of the engine-mounted fuel lift pump. It is very important not to go by the burn rate. Verify the specification with your engine manufacturer or dealer.

For instance, if the maximum flow rate of the fuel lift pump is 120 gallons per hour, the corresponding filter model is SWK-2000/10 (which has a maximum flow capacity of 158 gallons per hour).

Click here to see the range of Separ Filter by flow capacity.

For marine applications, we highly advise installing duplex filters, especially when a vessel is fitted with only one propulsion engine. Duplex filters have a primary and back up filter. When the primary filter requires maintenance, the user can manually  switch to the back-up filter without having to stop the engine.

With a flow rate of 158 gallons per hour, the SWK-2000/10 is also compatible for heavy equipment, in addition to marine vessels and agricultural machinery . It is installed here on a CAT loader and Komatsu PC 300 excavator. An improvement to this installation is to include the vacuum gauge, which can be equipped on filter lid already at time of purchase. The vacuum gauge is a useful indication of upcoming maintenance and filter element replacement.

If you already have a SWK-2000/10 without a gauge, you can purchase the new lid with gauge installed here.

See information about the SWK-2000/10-G (version with gauge) on Separ Filter's website and call 954-523-9396 to see if this is the right size for your equipment (North and South American inquiries).