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Krendl 475 Insulation Machine

Krendl 475 Insulation Machine
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The compact Krendl 475 all-fiber (airlock) unit is an economical machine for the small professional
contractor or do-it-yourself/ rental market. Designed for low maintenance and high production,
the 475 provides a large easy loading hopper while offering simple rugged performance.

*lbs/hr (kg/hr) rating with 150ft. (45.8m.) of 3 " (7.6cm.) hose at 16ft. (4.8m.) elevation
Product density and variable blowing conditions will affect production rate.

Materiallbs/hr - kg/hr
CELLULOSE2100 / 952


Standard Features


  • Low power requirements (Dual 15Amp 120V)
  • Light weight machine
  • Large 14 Amp/2-stage blower
  • High output / easy maintenance airlock
  • Material loading made easy with built in convertible tray
  • Economical machine for the small contractor

Mechanical and Electical Features


  • Modular component design for quick disassembly/reassembly for easy
    troubleshooting and maintenance.
  • Safety guards provide operator protection.
  • Removable hopper for quick and easy access to the airlock
  • Dual (2) agitators that enhance the conditioning of fibers.
  • All steel airlock for enhanced spraying and metering capabilities.
  • 1/2 hp. Totally Enclosed Fan Cooled Gear Motor (470 in./lb. torque) for long life.
  • Extra heavy, nickel-plated #40 chain with hardened steel sprockets provides a
    corrosion/abrasion resistance drive system.
  • Improved blower filter design for less filter maintenance.
  • Cord hanger and hand pendant holder allow for convenient storage of cords and hand pendant.


  • Operator safety/Hazard features: emergency kill switch and manual override at machine.
  • 150 ft. (46m.) remote control cord with three (3) position switch gives increased
    operator control of feed and blower.
  • 10 amp thermal overload protection for complete protection of the agitator/material feed motor.
  • 1 amp glass fuse protection for transformer providing properly sized fuse protection
    on the 2 amp transformer
  • Multiple auxiliary convenience outlets for easy addition of accessory devices
    (i.e. wetting, wireless).


WeightDimensionsPower RequirementsHopper CapacityAirlockBlowers/Sizes
322 lbs. (146 kg.)42 1/2"W X 29"D X 62"H (108cm. W X 74cm. D X 157cm. H)double input,15amps each/120volt/60hz12.5 cu. ft./ .35m312" x 10" diameter (30.5cm. x 25.4cm. diameter) 3" (7.6cm.) outlet for blowing hoseSingle 14amp/2-stage (120volt)

New Blower System Provides Airflow and Volume of a Double Blower System.
140 CFM @ 3 1/2 PSI