in one aspect , a pressure regulating valve assembly is provided . the valve assembly includes a housing having a fluid inlet and a fluid outlet , a sleeve positioned within the housing , and a spool at least partially positioned within the sleeve . the spool includes an outer surface having a shoulder , and the spool is configured to translate within the sleeve between a closed position and an open position . the valve assembly further includes a cap coupled to the sleeve and surrounding at least a portion of the spool , and the cap includes an inner surface with a flange extending therefrom . in the closed position the spool shoulder abuts against the cap flange to define a sealed metering edge . in the open position the spool shoulder is spaced from the cap flange to unseal the metering edge and define a metering window to facilitate fluid flow therethrough to the fluid outlet .