Double acting plough overturning valves with relief valve


TYPE: VRAP DE + VMP
USE: This valve has been designed for use on cylinders for reversible ploughs to obtain the automatic oil flow reversal, and therefore the reversal of the hydraulic cylinder which rotates the plough. As well as a double pilot operated check valve it is provided with a maximum relief valve which reduces the pressure of cylinder extension (head side pressure) in order to protect the mechanical stops and the plough’s structure. The reversal of the cylinder is controlled by a pressure compensated relief valve set to exactly in the dead head point of the plough, generating more power and speed.
It can be assembled on heavy and unbalanced ploughs with cylinders with the following internal diameters: 40/50, 60/80, 80/100, 100/110 mm.
MATERIALS AND CHARACTERISTICS:
Body: Zinc-plated steel
Internal parts: hardened and ground steel
Seal: BUNA N standard
APPLICATIONS: Connect C1 to the cylinder’s rod side, C2 to the head side, P and T to the machine’s suply. Thanks to its shape, it can be assembled in-line on the hydraulic cylinder or directly fixed onto the plough by the threaded hole in the valve body.