Patent ID: 7428861

Claim:
A check valve, adapted for use with hydraulic cylinders, the valve comprising a valve housing and a switchable valve insert received therein, with at least one connection for a high pressure line connected to at least one of a cylinder chamber and an annular chamber of the hydraulic cylinder, the valve further comprising at least one connection for an additional unit selected from the group consisting of a pressure limiting valve, a pressure sensor, and a pressure display, wherein the valve housing is fixable to the hydraulic cylinder, and wherein the connections run axially parallel to the axis of the hydraulic cylinder in its position fixed to the hydraulic cylinder, the inner side of the valve housing facing the hydraulic cylinder in the mounted state of the valve is adapted to the outer contour of the hydraulic cylinder, the valve housing is provided with a recess at its cylinder-side inner side, which overlaps a mounting plate arranged at the hydraulic cylinder in the mounted state of the valve.