TYPICAL BIRAIL CONVEYOR SYSTEM IS COMPOSED BY: 1) 3 OR 4 PNEUMATIC VALVES WITH MECHANICAL CONTROL OR INDUCTIVE SENSORS 2) 10 OR MORE MICROPUMPS DIVIDED INTO TWO GROUPS OF 2 AND ONE OF 6 3) ONE 3,6L RESERVOIR COMPLETE OF LOW LEVEL SWITCH 4) 3 OR MORE  AIR REGULATOR 5) 10 OR MORE NOZZLES