SD Series - High Flow

SD Series - High Flow



For installation on the suction side of engines and pumps, GROCO SD Series raw water strainers are the ideal filtration solution for heavy-duty cooling water intakes for marine engine, ac unit, or genset. The design makes them long lasting and easy to service while the variety of sizes means there is a fit for larger size installations.  In production for more than 50 years SD series strainers are designed with a durable cast acrylic sight glass, bronze head castings and the choice of flter basket materials - #304 Stainless Steel and Monel.  SD strainers are offered in 1-1/2", 2", 2-1/2", and 3" NPT pipe sizes. 

Options include BSPP threaded ports, ABS and USCG compliant stainless steel enclosures.



              • Made in the USA
              • Greater filtering capacity than GROCO ARG or SA model strainers.
              • Improved cylindrical filter basket.
              • Improved design secures filter basket under all flow conditions.
              • O-rings seal all mating surfaces.
              • Monel inside tie rod.
              • Crystal Clear cast acrylic sight glass
              • Easy service is provided by the spin-off wingnut.
              • C84400 bronze construction.
              • UL Listed 255D 





Product Name Thread NPTABCDEOpen Area Ratio

SD-1500 Series

1-1/2" -36

SD-2000 Series

2" -22

SD-2500 Series

2-1/2" -16

SD-3000 Series

3" -13

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