The HWE Series is an immediate solenoid worked directional spool valve. The valve porting example takes after DIN 24 340 structure A. The valves comes with wet pin DC or AC solenoids with removable coil which could be pivoted through 90 degree.
The standard valves has an electrical connector with light and manual override to allow the spool to be changed without the solenoid being energized come with DIN 43650.
The reasonable voltage extent of the coil must not be surpassed. The surge pressure must be kept underneath the highest permissible back pressure port T. The hydraulic oil must be cleaned at ISO cleanliness code 19/16.