CHECK MATE

SELF-MONITORING, MACHINE CONTROL FLUID POWER VALVES FOR MANUAL AND AUTOMATIC OPERATION AND CONTROL OF INDUSTRIAL AND OTHER MACHINERY SUCH AS PRESSES-NAMELY, MACHINE CONTROL FLUID POWER VALVES AND MONITORING APPARATUS FOR CHECKING AND MONITORING OPERATION OF THE MACHINE CONTROL FLUID POWER VALVES AND PREVENTING OPERATION OF THE FLUID POWER VALVES UPON DETECTION OF POTENTIAL MALFUNCTION