Block kit 30lt Simple Effect "LNA E-U" for line mounting "PV0151" 3/8"G with unidirectional cartidge electric Valve normally closed NC - WITH EMERGENCY KNOB - Closed from "2" towards "1" - Lateral oil entry "2" Axial oil exit "1" - open restraint from "1" towards "2" - Solenoid 24V-DC for connection type "DG"