GAST Lubricated Air Motor | 8AM-NRV-5B

SKU: 8AM-NRV-5B

$825.00

The Gast 8AM-NRV-5B delivers 5 HP and 2500 RPM with reversible rotation and stall tolerance. Ideal for industrial use, it’s CE/ATEX certified and compatible with the K283 kit for long-term performance
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The Gast 8AM-NRV-5B at Kinequip is a high-powered, lubricated rotary vane air motor built for industrial environments requiring robust torque and speed control. Delivering up to 5 horsepower and 2500 RPM, this motor supports reversible rotation and can be stalled or overloaded without damage, making it ideal for mixing, pumping, and conveying applications.

Its air throttling and pressure control offer a cost-effective alternative to electric motors, especially in hazardous or extreme ambient temperature locations. The 8AM-NRV-5B features a face mount, keyed output shaft, and 1/2″ NPT ports. It is CE and ATEX certified, ensuring safe operation in regulated environments.

With a maximum torque of 185 in-lb and air consumption of 175 CFM, this motor is engineered for high-output tasks. It includes four vanes and operates cool and reliably even under continuous-duty conditions. Compatible with the Gast K283 service kit for maintenance.

Quick Product Highlights

  • 5 HP lubricated rotary vane air motor
  • 2500 RPM max speed; 185 in-lb max torque
  • Reversible rotation and stall-tolerant design
  • CE and ATEX certified for hazardous locations
  • Compatible with K283 service kit

Get your Gast 8AM-NRV-5B Air Motor at Kinequip today.

Specifications

Vanes

4

Mount

FACE

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

0.75 in ( 19.05 mm )

Max Pressure

7 bar ( 101.53 psi )

Max Sound Level

105 dB(A)

Stainless Steel

NO

Output Shaft Type

Keyed

Torque Max Speed

132 in-lb ( 14.92 N m )

Port Size and Type

1/2" NPT

Regulatory Approval

CE, ATEX

Max Air Consumption

175 cfm ( 297.33 m3h )

Starting Torque @ 80psi

117 in-lb ( 13.22 N m )

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.

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