Dimensions and Technical Data

ProFix come in a variety of sizes based on airflow requirements. The sizing listed to the right is Keller standard; if additional sizes are required, please consult with your local Keller representative.

Switch size NW [in] Length [mm] Measurement range [cfm] Measurement range with 10 % control tolerance [cfm]
ProFix125 5 25.6 85 - 580 300 - 580
ProFix140 5.5 25.6 150 - 700 350 700
ProFix160 6 25.6 200 - 950 470 - 950
ProFix180 7 25.6 235 - 1,175 580 - 1,175
ProFix200 8 29.6 300 - 1,470 735 - 1,470
ProFix224 9 29.6 380 - 1,880 950 - 1,880
ProFix250 10 29.5 470 - 2,350 1,175 - 2,350
ProFix280 11 29.5 580 - 3,000 1,470 - 3,000