PSV UNF 441/225 -A2 H 40/40A 140B 140S1/EA2/UNF 3 -A2 H 40/40A 210B210S1/EA2/UNF 3 -A2 H 40/40A140B 140 1/EA2/UNF 3 -A2 H 40/40A50 B 140 S1/EA2/UNF 3 -A2 H 16/16A 210B210 S1/EA2/UNF 3 -A2 H 40/40A 50 B50S 1/EA2/UNF 3 -A2 H 16/16A210B210S1/EA2/UNF 3 -E 1 U Proportional Spool Valves