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850-400A Airetrol

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(8403500)
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Deliver maximum power and ultimate precision on your most demanding tube expansion projects with the 850-400A Airetrol rolling motor. This heavy-duty pneumatic tool is specifically engineered for high-torque applications, making it the industry standard for expanding large-diameter, thick-walled tubes in boilers, sugar refining equipment, and other major industrial apparatus.

The 850-400A is defined by its exceptional torque output and controlled, lower speed of 400 RPM. This combination provides the raw power needed to effortlessly form perfect seals in challenging materials and heavy-wall tubes, while giving the operator complete control throughout the process.

Specifications:
Measurements in:   English  Metric  All
  • Manufacturer: Airetool
  • Type: Pneumatic, Torque Controlled
  • Overall Length (in.): 12.25
  • Overall Length (mm): 311
  • CFM: 48
  • Free Speed (Rpm): 400
  • Max. Torque (Ft. Lbs): 315
  • Max. Torque (mm): 35.6
  • Min. Torque (Ft. Lbs): 43
  • Min. Torque (mm): 4.85
  • Operating Hose (in.): 1/2
  • Operating Hose (mm): 12.7
  • Quick Change Chuck (in.) Included: 3/8, 1/2
  • Quick Change Chuck (in.) Optional: -
  • Series: 850 Airetrols
  • Side To Center (in.): 1.438
  • Side To Center (mm): 36.5
  • Square Drive (in.): 3/8
  • Tube Capacity (in.): 1
  • Tube Capacity (mm): 25.4
  • Weight (kg): 4.76
  • Weight (lbs.): 10.5
Features
  • Maximum Torque Delivery: Engineered with a 400 RPM motor to deliver the high levels of torque required for large-diameter and heavy-wall boiler tubes.
  • Unmatched Precision: The dial-a-torque system allows for easy, repeatable settings, guaranteeing uniform and accurate tube expansion every time.
  • Automated for Efficiency: The tool automatically stops and reverses once the preset torque is achieved, streamlining workflow and ensuring consistency.
  • Prevents Damage: Eliminates the possibility of over-rolling and under-rolling, protecting the integrity of the tube ends and tubesheet ligaments.
  • Heavy-Duty & Ergonomic: Robustly built for long service life in harsh environments, with an ergonomic design for operator comfort and control.
Technical Resources
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