The direct acting solenoid valves series “UL” are produced in conformity with the directives EC 89/336, EC 92/31, EC 93/68, EC 73/23 in the 3/2 N.O. (with feed from the exhaust “3”) and 3/2 N.C. pneumatic functions. The functions 2/2 in obtainable closing exhaust “3”. Besides are avaiable the versions with ports G1/8, suitable for single use and with interface for multi-station base mounting or for mounting on poppet and CETOP (with fixed position) valve bodies.