Gast 1AM-NRV-56-GR11 Gear Motor: Efficient High-Torque Power

Description

Gast 1AM-NRV-56-GR11 Gear Motor: Efficient High-Torque Power is a “workhorse” for small-scale automation and mixing. Because it is powered entirely by compressed air, it is ATEX and CE certified for use in explosive atmospheres (Zones 1 and 2), where electric motors would pose a spark risk.

The motor features a Face Mount and a 1/2″ keyed shaft, making it easy to integrate into specialized machinery. Its cool-running design allows it to operate in ambient temperatures up to 121°C (250°F), which is ideal for chemical processing or paint kitchens.

Why the Gast 1AM Gear Motor is the Best Investment

Investing in the Gast 1AM-NRV-56-GR11 Gear Motor is an efficient decision for any facility looking to simplify its mechanical drives. The combination of an air motor and a gearbox into one unit eliminates the need for external belts, pulleys, or separate speed reducers, which reduces the number of potential failure points.

The efficient design of the 1AM series ensures low air consumption while delivering consistent torque. Backed by Gast’s decades of American engineering expertise, the Gast 1AM-NRV-56-GR11 Gear Motor provides a lower total cost of ownership through its ease of maintenance and resistance to harsh environmental conditions. When your process requires slow, powerful, and spark-free rotation, the 1AM-NRV-56-GR11 is the most efficient and reliable tool available.

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.

Specifications

Feature	Specification
Maximum Power	0.34 hp (0.26 kW)
Gear Ratio	15:1
Max Speed (No Load)	350 RPM
Max Torque	72 lb-in (8.1 Nm)
Starting Torque @ 80 psi	40 lb-in (4.5 Nm)
Max Air Consumption	21 CFM ( $36 m^3/h$ )
Port Size	1/8″ NPT
Shaft Diameter	0.500 in (1/2″)
Net Weight	3.1 lbs (1.4 kg)

Features

15:1 Gear Reduction: Converts high-speed internal rotation into a stable, high-torque output with a maximum no-load speed of 350 RPM.
Compact and Lightweight: Weighing only 3.1 lbs (1.4 kg), it offers a high power-to-weight ratio for portable or space-constrained equipment.
Variable Speed: The output speed can be precisely adjusted from 0 to 350 RPM by simply regulating the air pressure or flow volume.
Instantly Reversible: A 4-way control valve allows the motor to switch rotation directions instantly, even under full load.
Explosion Proof: Non-electrical operation is safe for refineries, chemical plants, and areas with flammable vapors.
Stall-Safe: Can be stalled indefinitely without damage, providing built-in protection against mechanical jams or overloads.

Applications

Laboratory Stirrers: Driving chemical mixers where precise speed control and spark-free safety are mandatory.
Small Pump Drives: Operating miniature metering or centrifugal pumps in hazardous processing zones.
Precision Feeders: Powering small transport systems or dosing equipment requiring frequent starts and stops.
Indexing Tables: Rotating small automated platforms that require pneumatic safety and variable speed.
Tensioning Systems: Maintaining constant pull on film or wire lines where the motor may frequently stall.