Mer-Made has redesigned its strainer line to achieve lower pressure losses and higher dirt holding capacity. The new units have been tested for pressure loss (clean basket). In addition, tests were run using grass clippings as a medium to establish a comparison between "dirty-up" time for the new design versus the standard designs being offered by competitors.

Mer-Made full outlet strainers are built with a large outlet area in the basket chamber. Historically, strainers have been required to have a basket total open area that is a multiple of incoming pipe area. A typical code or specification may call for a basket open area to be four times the incoming pipe area. Tests have shown, however, that in many designs very little of the basket area is used before a maximum pressure loss, (say 5 psi) is achieved. The usefulness of the strainer basket is much more dependent on the amount of opening in the chamber that houses the basket. To achieve a significant strainer performance improvement we have increased this area considerably.