Side Mount Tri-Clamp Filter StrainerSide Mount Tri Clamp Filter Strainer Tri Clamp strainers are used for filtration of solids from fluid process flows. It is recommended that a strainer be placed before a pump when emptying a centrifuge and the like to not allow large solids to enter and damage a pump. This model has 1. 5" Tri Clamp inlet and outlet ports. Side Mount Inline Strainers Tri Clamp inline strainers mount similar to a spool or elbow with both ends clamped into a tri clamp