Bosch Rexroth Z2FS6B2-4X/2QV throttle check valve

Z2FS6B2-4X/2QV, factory material number R900440565, is a manually adjustable sandwich throttle check valve for working line B. It meters flow through an adjustable restriction and permits reverse flow through its check-valve path. This size 6 execution uses FKM seals and set screw with locknut and protective cap. Its hydraulic arrangement is supply or discharge throttling by rotating the valve; use the specified B-line symbol and mounting diagram for installation.

Use the applicable manufacturer installation, fluid-compatibility and characteristic-curve conditions. Operating ceilings and pressure adjustment stages serve different purposes and must not be treated as a single simultaneous operating point.