PSV UNF 441/350-3 -A2 H 40/40 A 300 B 300S 1/EA2/UNF 3 -A2 H 40/40 A 300 B 300S 1/EA2/UNF 3 -A2 H 16/16 A 300 B 300S 1/EA2/UNF 3 -A2 H 16/16 A300 B 300S 1/EA2/UNF 3 -A2 H 16/16 A300 B 300S 1/EA2/UNF 3 -A2 L 25/25 A 300 B 300.S 1/EA2/UNF 3 -A2 H 40/40 A 30 Proportional Spool Valves