581 SERIES VALVE SIZE 2 5/2 SINGLE SOLENOID,AIR RETURN (DIFFERENTIAL SPOOL) EL. 1 PILOT VALVE 30MM CNOMO WITHOUT FLOW CONTROLS, EXTERNAL 24 VOLT DC,6,7 W PILOT VALVE WITH SINGLE SOLENOID, LOCKING/NON-LOCKING MANUAL OVERRIDE. V581-I2-5/2AR-24V42-CNO-AL-EXT-T0-267254
