PSL UNF 21/D...-2 -A 2 H 16/16/EA/UNF 2 -A 2 H 16/16/EA/UNF 2 -A 1 H 40/40/EA/UNF 2 -A 1 H 40/40/EA/UNF 2 -A 1 H 40/40/EA/UNF 2 -A 1 H 40/40/EA/UNF 2 -A 2 H 16/16A 200 B 200S 1/EA/UNF 2 AL-0-B 4/120 -BL-0-B 4/120 -A 2 H 16/16/EA/UNF 2 AL-0-B 4/120-BL-0-B Proportional Spool Valves