Outstanding Gast 4AM-70C-CB60 Gear Motor: Efficient 60:1 Torque

Description

Gast 4AM-70C-CB60 Gear Motor is a versatile power source for hazardous locations. Because it is powered entirely by compressed air, it is ATEX certified for use in explosive atmospheres. The 8-vane configuration is a critical technical detail; it ensures smoother rotation at low speeds and improved “inching” control compared to 4-vane models.

The right-angle output allows for flexible mounting in tight spaces. Its cool-running design enables it to operate in ambient temperatures up to 120°C (248°F), far exceeding the limits of traditional electric gear motors.

Why the Gast 4AM Gear Motor is the Best Investment

Investing in the Gast 4AM-70C-CB60 Gear Motor is an outstanding decision for any facility looking to reduce total cost of ownership while maximizing safety. One of the most efficient aspects of this unit is its simplified design. By integrating the motor and 60:1 gearbox into a single, pre-engineered unit, you eliminate the need for external belts, chains, or complex pulley systems that require frequent maintenance.

The efficient thermal properties and explosion-proof nature of this motor make it an outstanding choice for modern factory automation in harsh zones. Backed by Gast’s world-class American engineering, the Gast 4AM-70C-CB60 Gear Motor delivers more torque-per-inch than almost any other drive solution in its class. When your operation demands the absolute maximum in slow-speed pneumatic torque and spark-free safety, the 4AM-70C-CB60 is the most efficient and dependable solution.

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	0.9 hp (0.67 kW)
Gear Ratio	60:1
No Load Speed	50 RPM
Torque @ Max Speed	1,040 in-lb (117.5 Nm)
Max Torque (Static)	1,640 in-lb (185 Nm)
Max Air Consumption	72 CFM (122 $m^3/h$ )
Shaft Diameter	1.125 in (1-1/8″)
Mounting Type	Face / Base

Features

60:1 Worm Gearbox: Provides significant mechanical advantage, converting high-speed air motor rotation into massive low-speed torque.
8-Vane Performance: Delivers superior low-speed stability and more consistent torque output, making it ideal for precise mixing or positioning.
Reversible Operation: A simple 4-way valve allows for instant directional changes, even while under a full load.
Intrinsically Safe: Non-electrical operation makes it perfect for chemical plants, refineries, and flammable vapor environments.
Stall-Safe: Can be overloaded or stalled for extended periods without damaging the motor or creating a fire hazard.
Rugged Construction: Features a cast-iron housing with a high-strength steel keyed output shaft for maximum durability.

Applications

Industrial Agitators: Mixing heavy or viscous fluids in tanks where variable speed and high torque are required.
Conveyor Drives: Powering heavy-duty transport lines in wash-down or hazardous food-processing zones.
Lifting & Hoisting: Utilizing the 60:1 gear reduction for controlled lifting in spark-sensitive areas.
Material Handling: Driving large turntables or rotation equipment in automotive and assembly plants.