COUPLING:DRIVE;BORE DIAMETER:8.635 IN,TYPE:FLEXIBLE,LENGTH:6.04 IN,OUTSIDE DIAMETER:9.302 IN,MATERIAL:PLASTIC(FLEXIBLE PVC),ADDITIONAL SPECIFICATION:SIZE:8X8 IN,PLANT REF:FOR COOLING TOWER,MIN/MAX TEMPERATURE:-30 TO 140 DEG F,CLAMP USED:300 SERIES CONFORM TO ASTM:D5926,C1173 PRESSURE:4.3 PSI,INSTALLATION TORQUE:60 LB IN