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Gast 4AM-70C-CB20 Gear Motor

The compact 4AM-GB20 (GM) series offers variable operating speeds and power output that can be adjusted to meet the precise needs of your application. Their 20:1 gear reducer is not only ideal for lower speed and higher torque applications, but they also can be stalled or overloaded for long periods without damaging the motor. In addition to being a non-electrical device and cool running, Gast air motors are ideal for use in hazardous and extreme ambient temperature locations.

Features

  • 8 Vanes, Reversible
  • 20:1 gear reducer
  • Base mounting
  • Optional mountings and shaft locations available
  • Metal muffler AC980 adds 2″ height when installed

Applications

RECOMMENDED

  • Filter AH103F
  • Regulator AH104R
  • Gauge AA806
  • Lubricator AH105L
  • Oil AD220 – 1 quart (.94 litres)
  • Repair kit K280A (Air motor only)

Specifications

  • Key Type: M30-KEYSQ 1 1/4
  • Max Air Consumption: 71 cfm ( 120.63 m3h )
  • Max Power: 1.17 hp ( 0.87 kW )
  • Max Pressure: 5.5 bar ( 79.77 psi )
  • Max Sound Level: 113 dB(A)
  • Max Speed: 150 rpm
  • Max Torque: 740 in-lb ( 83.62 N m )
  • Mount: BASE
  • Output Shaft Type: Keyed
  • Port Size and Type: 1/4″ NPT
  • Regulatory Approval: CE, ATEX
  • Rotation: Reversible
  • Shaft Size: 1.12 in ( 28.45 mm )
  • Stainless Steel: NO
  • Starting Torque @ 80psi: 325 in-lb ( 36.73 N m )
  • Torque Max Speed: 487 in-lb ( 55.03 N m )
  • Vanes: 8
  • Weight: 60 lbs ( 27.22 kg )

Downloads

Datasheet : Gast 4AM-70C-CB20 Gear Motor

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