Gast | 1.7HP-Reversible-Air Motor | 4AM-NRV-70C

Mfr. Part #: 4AM-NRV-70C

Ships same day with standard 2-day shipping if ordered M-F before 3PM PT.

Pickup Available at Livermore

The Gast 4AM-NRV-70C is a compact, reversible rotary vane air motor designed to provide reliable mechanical power for industrial equipment and OEM applications. Powered by compressed air rather than electricity, this durable air motor delivers adjustable speed and torque through air pressure and flow regulation, providing a cost-effective alternative to electric motor drives. Its cool-running construction and ability to tolerate stalling and overloading make it well suited for demanding operating environments. Delivering up to 1.7 HP with a maximum operating speed of 3,000 RPM and maximum torque of 56 in-lb, the 4AM-NRV-70C provides dependable performance for applications requiring variable-speed operation and frequent starting, stopping, or reversing. The motor operates at air pressures up to 100 PSI and features flange mounting, a keyed output shaft, and 1/4-inch NPT air connections for integration into machinery and equipment. Weighing approximately 11 lbs, it offers a compact power solution with a maximum sound level of 87 dB(A). Its construction also supports use in appropriately classified hazardous environments, subject to applicable operating conditions and installation requirements. The 4AM-NRV-70C is well suited for conveyor drives, mixing equipment, pump drives, food and pharmaceutical packaging machinery, hose reels, tensioning devices, and industrial automation systems. Its reversible operation, adjustable speed, and durable construction make it a versatile solution for OEM machinery requiring dependable mechanical power without an electrical drive motor. Proper air supply preparation and routine maintenance help support reliable operation and extended service life. TECO Technology is an authorized Gast distributor and repair facility, providing technical support, replacement parts, and repair services for Gast air motors, compressors, and vacuum pumps. Our experienced team can assist with product selection, application requirements, and identifying the right components for your equipment, helping ensure reliable performance and long-term serviceability.

The Gast 4AM-NRV-70C is a reversible, lubricated air motor offering adjustable speed and power output to meet precise application requirements. Its air throttling and pressure control provide a cost-effective alternative to electric motor controls. Additionally, these motors can be stalled or overloaded for extended periods without damage. They operate cool and are spark-free, making them ideal for hazardous locations.

Key Features:
- Reversible rotation for versatile operation
- Maximum power output of 1.7 hp (1.27 kW)
- Maximum air consumption of 78 cfm (132.52 m³/h)
- Maximum operating pressure of 7 bar (101.53 psi)
- Maximum speed of 3,000 rpm
- Maximum torque of 56 in-lb (6.33 N·m)
- Starting torque at 80 psi: 28 in-lb (3.16 N·m)
- Torque at maximum speed: 36 in-lb (4.07 N·m)
- 8 vanes for smooth operation
- Keyed output shaft with 0.5 in (12.7 mm) shaft size
- Mounting type: Flange
- Port size and type: 1/4" NPT
- CE and ATEX certified
- Weight: 11 lbs (5.0 kg)
- Includes 1-year warranty

Common Applications:
- Conveyor drives
- Mixing equipment
- Pump drives
- Food packaging machinery
- Pharmaceutical packaging systems
- Hoists and winches
- Hose reels
- Fiberglass choppers
- Tension devices
- Turntables and tire/wheel balancers

SPECIFICATIONS
Key Type	#3 Woodruff
Max Air Consumption	78 cfm ( 132.52 m3h )
Max Power	1.7 hp ( 1.27 kW )
Max Pressure	7 bar ( 101.53 psi )
Max Sound Level	87 dB(A)
Max Speed	3000 rpm
Max Torque	56 in-lb ( 6.33 N m )
Mount	FLANGE
Output Shaft Type	Keyed
Port Size and Type	1/4" NPT
Regulatory Approval	CE, ATEX
Rotation	REVERSIBLE
Shaft Size	0.5 in ( 12.7 mm )
Stainless Steel	NO
Starting Torque @ 80 psi	28 in-lb ( 3.16 N m )
Torque Max Speed	36 in-lb ( 4.07 N m )
Vanes	8
Weight	11 lbs ( 4.99 kg )