pedestrian transport solutions PTT3 large sized_decoilers Werkzeugwechsel gripper_feed_AV_with_electric_valve push pull units PTT3 with pivot bearing large sized_double_decoiler coil_transport_car Werkzeugwechsel heavy load indoor universal transporter type 1 pedestrian_mover_with_pivot_bearing large sized_vertical_decoilers pneumatic gripper feed AVP