NOT USED, NOT USED, PNEUMATIC VALVES, 4, O_Accessory_Rail_Short_Retract,ACCESSORY RAIL 10mm Cyl. Retracted O_Accessory_Rail_Short_Stroke,ACCESSORY RAIL 10mm Cyl. Extended O_Bottom_Folder_Stroke,BTM. CYC. STOP FOLDER EXTEND SOL. VALVE O_Bottom_Folder_Retract,BTM. CYC. STOP FOLDER RETRACT SOL. VALVE