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Thermal Management for Enclosures
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Standard Twin Packaged Blowers
Standard Twin Packaged Blower


Standard Twin Packaged Blowers are the most popular Kooltronic Packaged Blower. These blowers achieve exceptional performance through the use of the largest possible blower housings and wheels. Each contains a quadruplex centrifugal blower powered by a single precision ball-bearing motor.

These widely-used Standard Twin Packaged Blowers deliver air from more than 50% of their 17-inch [431.8mm] width, while conventional blowers deliver air from only about 30%. Internal neoprene isolation mounts reduce transmission of vibration and AC hum to the enclosure. Long service life and trouble-free performance are assured through the use of precision ball-bearing motors in all models and by the dual inlet quadruplex design, which uses intake air to cool the motor.

KOOLTRONIC also designs and manufactures a variety of packaged blowers to meet unique specifications. We invite your inquiries about our modification and custom-design capabilities.


Standard Features Accessories and Options
  • Capacities:130 to 800 CFM
  • Attractive 19-inch [482.6mm] stainless steel grilles
  • Dual inlet quadruplex blower design for maximum airflow
  • Exhaust guards included
  • Filter
  • Heavy-gauge steel shells with EIA-notched flanges and baked powder finish
  • Inlet cools motor for longer life
  • Three foot [0.9] (minimum) 3-wire power cord
  • UL/CSA ball-bearing motors
standard twin blower kp350
160 CFM
3"H x 19"W x 9 "D
standard twin blower kp528
130 CFM
5"H x 19"W x 6"D
standard twin blower kp529
300 CFM
5"H x 19"W x 6"D
standard twin blower kp701
330 CFM
7"H x 19"W x 8"D
standard twin blower kp729
470 CFM
7"H x 19"W x 8"D
standard twin blower kp877
525 CFM
9"H x 19"W x 10"D
standard twin blower kp1051
800 CFM
11"H x 19"W x 12"D
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