BYPASS INSTALLATION TO CONTROL THE RETURN FLOW OF AN AUXILIARY WITNESS VALVE CONNECTED TO AN IRRIGATION NETWORK.

摘要

A BYPASS FACILITY IS DESCRIBED TO CONTROL THE RETURN FLOW OF A CONTROL VALVE THAT WHEN CONNECTED BETWEEN THE OUTLET CONNECTION OF THE CONTROL VALVE AND THE RETURN CONNECTION OF THE CONTROL VALVE ELIMINATES THE RETURN CIRCUIT AND ALLOWS IT TO PROVIDE CURRENT CAN BE CONNECTED DOWN FROM AN OPEN CIRCUIT NETWORK USED FOR THE INTERMITTENT SUPPLY OF AN IRRIGATION LIQUID.