PSV UNF 442/210-3 -A2 L 63/63 A 175 B 175/HA UNF/UNF 3 -A2 L 63/63 A 175 B 175/HA UNF/UNF 3 -A2 L 63/63 A 175 B 175/HA UNF/UNF 3 -ZPL 32 -A 2 L 40/40 A 82 B 82/HE0A UNF/UNF 2 -A 2 L 40/40 A 82 B 82/HE0A UNF/UNF 2 -A 2 L 40/40 A82 B 82/HE0A UNF/UNF 2 -E 4 Proportional Spool Valves