A

VALVES, INCLUDING POWER OPERATED VALVES FOR THE CONTROL OF FLUID FLOW; PARTS OF SUCH VALVES INCLUDING TRANSPARENT COVERS AND PROTECTIVE DEVICES THEREFOR

ACCESSORIES FOR VALVES INCLUDING WRENCHES, MECHANICAL ACTUATING DEVICES, POWER OPERATED ACTUATING DEVICES, INTER COUPLING DEVICES, INTER LOCKING DEVICES AND LUBRICATION DEVICES; POWER OPERATED ACTUATORS FOR INDEPENDENT USE