Gast 8AM-FRV 30A Air Motor

Description

The 8AM-FRV-30A is the “smooth-running” specialist of the 8AM foot-mount family. By doubling the number of vanes from four to eight, the motor minimizes the “pulsing” effect common in pneumatic motors. This results in more consistent power delivery and higher starting torque, which is critical when the motor must begin rotating under a heavy load or at low RPM.

Because it is powered by compressed air, it is inherently Explosion Proof. The expansion of air through the motor naturally cools the cast-iron housing, allowing it to operate in ambient temperatures up to 121°C (250°F).

Brand

GAST

Since 1921, Gast Manufacturing, Inc. has been a leader in the design and manufacturing of quality air-moving products. We specialize in offering cost effective solutions for a wide variety of industries including industrial manufacturing, healthcare, and environmental cleanup applications.

Features

8-Vane Performance: Provides smoother rotation and better “inching” control than 4-vane models, especially in the 300–500 RPM range.
Rugged Foot Mount: Features a heavy-duty integrated base with four mounting holes for secure installation on horizontal surfaces.
Reversible Operation: A 4-way control valve allows for instant reversal of rotation, even while the motor is under load.
Variable Speed: Easily adjusted from 300 to 2,500 RPM by regulating the air pressure or flow volume.
Stall-Safe: Unlike electric motors, this unit can be stalled indefinitely without damage, overheating, or risk of fire.
ATEX & CE Certified: Approved for use in Group II, Category 2 (Gas & Dust) hazardous environments.

Specifications

Feature	Specification
Maximum Power	5.0 hp (3.73 kW)
Maximum Speed	2,500 RPM
Number of Vanes	8
Maximum Torque	185 lb-in (20.9 Nm)
Starting Torque @ 80 psi	117 lb-in (13.2 Nm)
Max Air Consumption	175 CFM ( $297 m^3/h$ )
Port Size	1/2″ NPT
Shaft Diameter	0.875 in (7/8″)
Weight	28 lbs (12.7 kg)

Applications

Heavy-Duty Agitators: Ideal for mixing high-viscosity chemicals or paints where a steady, non-pulsing rotation is required.
Conveyor & Feed Drives: Powering transport lines that require frequent starts/stops or very slow, consistent travel.
Hazardous Area Winches: Providing reliable, smooth pulling power in refineries, mines, or offshore platforms.
Foundry Equipment: Operating near furnaces or industrial ovens where electric motor insulation would melt.
Pumping Systems: Driving gear or centrifugal pumps in explosive atmospheres where variable speed is necessary.