MODEL                               PPA-DD-9             PPA-DD-12 

SHAPE OF AERATOR          DISC TYPE         DISC TYPE 

MOC OF MEMBRANE          EPDM                 EPDM 

SIZE OF AERATOR              9”                         12” 

TYPE OF BUBBLE              FINE BUBBLE         FINE BUBBLE 

SIZE OF BUBBLES          0.8 MM – 2.1 MM     0.8 MM – 2.1 MM 

AIR FLOW RATE          2.5 – 6.0 CUM/HR         4.2 – 11.0 CUM/HR 

FLOW RANGE                      0 -12.0 CUM/HR      0 – 20.0 CUM/HR 

MOC OF MEMBRANE SUPPORT      ABS             ABS 

ACTIVE SURFACE AREA              0.0375         0.0650 SQM 

OPERATING TEMPERATURE RANGE 35 DEG. 35 DEG.  

TEMPERATURE TOLERANCE       MAX 85 DEG. MAX 85 DEG. 

OXYGEN UTILIZATION RATIO (%)   30                     30 

SIZE OF END CONNECTION      3/4” NPT, MALE  3/4” NPT, MALE 

SLIT QUANTITY                              6600                     10155 

WEIGHT                                          0.680 KGS         1.4 KGS