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GAST Air Motor | 8AM-NRV-28A

SKU: 8AM-NRV-28A

$829.00

The Gast 8AM-NRV-28A Air Motor is a rugged, oil-lubricated rotary vane motor built for continuous-duty use. It’s ideal for high-torque, hazardous, or variable-speed applications in demanding industrial environments.

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Gast 8AM-NRV-28A Air Motor at Kinequip is a powerful, oil-lubricated rotary vane motor designed for high-demand industrial applications. Built for continuous-duty operation, this motor delivers reliable, variable-speed performance in environments where electric motors may not be suitable.

The 8AM-NRV-28A features a reversible design and can be stalled or overloaded for extended periods without damage, making it ideal for applications requiring high torque and durability. Its cool-running, non-electric operation makes it a safe choice for hazardous or extreme temperature environments. The motor’s compact, flange-mounted construction allows for flexible installation in OEM systems, conveyors, mixers, and other industrial machinery.

Quick Product Highlights

  • Oil-lubricated rotary vane motor for industrial use
  • Reversible and stall-resistant for demanding applications
  • Cool-running and spark-free for hazardous environments
  • Ideal for OEM systems, conveyors, and mixers
  • Built for continuous-duty operation and long-term reliability

Get your Gast 8AM-NRV-28A Air Motor at Kinequip today.

Mount

FLANGE

Vanes

4

Weight

28 lbs ( 12.7 kg )

Key Type

M30-KEYSQ 1.0

Rotation

Reversible

Max Power

5 hp ( 3.73 kW )

Max Speed

2500 rpm

Max Torque

185 in-lb ( 20.91 N m )

Shaft Size

0.88 in ( 22.35 mm )

Max Pressure

7 bar ( 101.53 psi )

Max Sound Level

105 dB(A)

Stainless Steel

NO

Torque Max Speed

132 in-lb ( 14.92 N m )

Output Shaft Type

Keyed

Port Size and Type

1/2 inch NPT

Max Air Consumption

175 cfm ( 297.33 m3h )

Regulatory Approval

CE, ATEX

Starting Torque @ 80psi

117 in-lb ( 13.22 N m )

What oil should be used?

Gast air motors require a 10 wt detergent oil; Gast AD220. If you do not have this oil 10w30 detergent oil may be substituted.

How much oil should be used?

One drop of oil for every 50 cfm of air used consumed.

How close should the lubricator be?

Gast recommends a filter, regulator and lubricator be placed within twenty inches of the air motor.

What line size should be used for Gast air motors?

The air line should be the same size or one size larger than the port.

Can an air motor be mounted in any position?

The Gast air motor can be mounted in any position.

Does Gast offer a repair kit for air motors?

Yes, Gast repair kits are available for most stock air motors.

What is in an air motor repair kit?

Most kits contain bearings, vanes, gaskets, filters and a maintenance manual.

What is the difference between a four-vane and eight-vane air motor?

An eight vane air motor is used when minimum speed is required or in inching applications.

Does Gast offer a non-lubricated air motor?

Yes, non-lubricated air motors are available in most sizes.

Does Gast offer a line of gear reducers?

Yes, a full line of gear reducers are available.

Shipping

We are committed to delivering your machine parts quickly and securely. Orders are processed within 1-2 business days, and shipping times vary based on your location and selected shipping method. Standard shipping typically takes 3-7 business days, while expedited options are available for faster delivery. We ship domestically and internationally, with tracking information provided for all orders. Shipping rates are calculated at checkout. Please ensure your shipping address is accurate to avoid delays.

 

Returns

We want you to be fully satisfied with your purchase. If you need to return a product, we accept returns within 30 days of delivery for a full refund or exchange, provided the item is unused, in its original condition, and includes all packaging. Customers are responsible for return shipping costs unless the return is due to a defect or error on our part. To initiate a return, please contact our support team with your order details. Refunds will be processed within 5-7 business days after receiving the returned item.