PSV UNF 22-2 -A 2 H 3/3 A 138 B 138/EA/UNF 2 -A 2 H 3/3 A 138 B 138/EA/UNF 2 -A 2 H 10/10 A 138 B 138/EA/UNF 2 -A 2 H 25/6 A 138 B 50/E0C/UNF 2 -A 2 H 25/25/EA/UNF 2 -A 2 H 25/25/EA/UNF 2 -A 2 H 40/40/EA/UNF 2 -E 19 UNF-G 24 Proportional Spool Valves