PSV 51-3 -A 2 H 40/40 C 145 /EA 2G/3 -A 2 H 40/40 C 145 /EA 2G/3 -ZPL 32 -A 2 H 40/40 A 145 B 145 /EAS /3 -A 2 H 40/40 A 145 B 145 /EAS /3 -A 2 O 6/6 A 250 B 250 /EAS/2 AL-0-D 4/275-BL-0-D 4/275 -A 2 O 6/6 A 250 B 250 /EAS/2 AL-0-D 4/275-BL-0-D 4/275 -E 1 Proportional Spool Valves