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Gast 4AM-NRV-54A Air Motor

The compact and portable 4AM series offers air motor operating speed and power output that can be adjusted to meet the precise needs of your application.

The compact and portable 4AM series offers air motor operating speed and power output that can be adjusted to meet the precise needs of your application. Their air throttling and pressure control is not only cost effective over electric motor controls, but they also can be stalled or overloaded for long periods without damaging the motor. In addition, these Gast air motors are cool running and have no electrical spark, which makes them ideal for use in hazardous locations.

Most of the Gast Air Motors and some of the Gast Gear Motors in this catalog meet the requirements of the EC directive 94/9EC (ATEX 100a). They may be used in zones 1 and 2 where explosive atmospheres of gas or dust are likely to occur. These are marked with II 2 G D c T4 in the catalogue and on the product. This indicates the air motor is Group II, Category 2, Gas and Dust Atmospheres, and a maximum surface temperature of 275 °F/135 °C. Check that the product driven by the air motor meets ATEX directive.

 

The output power of an air motor is relative to speed and to air line pressure.

Air Motors Up to 9 HP, speeds from 300 to 2,000 rpm, max. pressure 100 psi (7 bar)

Features

  • Face mounting
  • Any plane operation
  • Metal muffler AC980 adds 2″ height when installed
  • II 2 GD c T4

Applications

These air motors and gear motors are used in many industrial applications, from mixing equipment to running pump drives.

Self-sealing vanes take up their own wear, ensuring consistent output for thousands of hours of use.

Variable speed capabilities allow flexibility and versatility in any number of applications.

Cool-running operation means air motors can be used in ambient temperatures of up to 250° F (120° C).

Non-electrical operation reduces the possibility of explosion from igniting flammable gases.

 

 

Specifications

  • Key Type: #3 Woodruff
  • Max Air Consumption: 78 cfm
  • ( 132.52 m3h )
  • Max Power: 1.7 hp
  • ( 1.27 kW )
  • Max Pressure: 7 bar
  • ( 101.53 psi )
  • Max Sound Level: 87 dB(A)
  • Max Speed: 3000 rpm
  • Max Torque: 56 in-lb
  • ( 6.33 N m )
  • Mount: FACE
  • Output Shaft Type: Keyed
  • Port Size and Type: 1/4″ NPT
  • Regulatory Approval: CE, ATEX
  • Rotation: Reversible
  • Shaft Size: 0.5 in
  • ( 12.7 mm )
  • Stainless Steel: NO
  • Starting Torque @ 80psi: 28 in-lb
  • ( 3.16 N m )
  • Torque Max Speed: 36 in-lb
  • ( 4.07 N m )
  • Vanes: 8
  • Weight: 7 lbs
  • ( 3.18 kg )

RECOMMENDED

  • Filter AH103F
  • Regulator AH104R
  • Gauge AA806
  • Lubricator AH105L
  • Oil AD220 – 1 quart (.94 litres)
  • Repair kit K205 (4 Vane, Reversible)
  • Repair kit K279 (8 Vane, Reversible)

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Gast 4AM-NRV-54A Air Motor

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