| 摘要 |
<p>Solenoid operated directional valves are disclosed requiring minimum labor costs for original manufacture, installation at sites of use and subsequent maintenance and repair, which have electrical apparatus for actuating the solenoids, including improved terminal blocks mounted on the valve body and electrical plugs and associated junction boxes by which electrical power is supplied to the terminal block for delivery to the appropriate solenoid, the terminal block and electrical plugs having electrical connectors to enable the electrical plug and junction box to be mounted in more than one position with respect to the terminal block while providing continuity of operation of the solenoids, ground connections and lamp indicator means.</p> |
