WHAT IS THE ROLE OF MOTOR HP,CFM ,PSI & BAR

DEAR SIR I HAVE AN 20 HP ,10 BAR ,122 PSI SCREW COMPRESSOR FOR ONE BULK WEIGH-ER, IN THE HEIGHT OF 30 METERS & 2 BAGGING MACHINE, IN 30 METER LONGITUDE DIRECTION. WHICH BOTH ARE CONSUMING ONLY 10 BAR PRESSURE. IN WHICH HP MOTOR ,BAR ,PSI, C F M & RECIPROCATING COMPRESSOR ,I CAN GO TO REDUCE THE ELECTRICITY UNIT . IF NOT POSSIBLE PLEASE ADVICE US THAT THE EXISTING ONLY WAY SOMASUNDARAM, INDIA