PSV UNF 441/225-3 -A2 H 40/40A 140 B 140S/EA2/UNF 3 -A2 H 40/40A210B 210S/EA2/UNF 3 -A2 H 40/40A 140 B 140S/EA2/UNF 3 -A2 H 40/40A 50 B 140S/EA2/UNF 3 -A2 H 16/16A 210 B 210S/EA2/UNF 3 -A2 H 40/40A 50 B 50S/EA2/UNF 3 -A2 H 16/16A 210 B 210S/EA2/UNF 3 -E 1 Proportional Spool Valves