PSV UNF 21/D170-2 -A 2 L 25/25/HE0A UNF1/UNF 2 -A 2 L 25/25/HE0A UNF1/UNF 2 -A 5 H 16/16/HE0A UNF1/UNF 2 -A 2 H 25/25/HE0A UNF1/UNF 2 AS 138 BS 138 -A 5 H 25/25/HE0A UNF1/UNF 2 M -A 5 L 16/16 A 63 B 63/EA1/UNF 2 -E 4-S 12 Verschlußschraube 7709 046 in all Proportional Spool Valves