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Model “OS” 8.1″ Suction Strainers


Reliable, low-cost filtering of petroleum base fluids, most coolants, some phosphate esters, lubricating oils, and other process fluids.


Plated steel, male (nipple) and female (coupling) used for strength and stability to hold the strainer body to collect large amounts of contaminant. Designed as an in-tank strainer to be installed below the fluid level for maximum effectiveness. Optional bypass valve in either 3 psi or 5 psi for safety factor to protect the pump.


  • Bypass valve with either a 3 psi or 5 psi available to allow unfiltered fluid to pass through the strainer until service or replacement is performed.