Gast 4AM-NRV-54A Air Motor

Gast 4AM-NRV-54A Air Motor a reversible, 1.7 HP (1.27 kW) rotary vane air motor featuring a 4-vane design and a NEMA 56C flange mount. It is an intrinsically safe power source optimized for industrial machinery, large agitators, and hazardous area equipment.

Description

Description

Gast 4AM-NRV-54A Air Motor is the “gold standard” for pneumatic drives in the 1–2 HP range. Because it is powered entirely by compressed air, it is ATEX and CE certified for hazardous locations (Group II, Cat 2), making it the primary choice for environments with flammable vapors, such as paint kitchens and chemical refineries.

A key technical advantage is its thermal resilience. As compressed air expands through the motor, it absorbs heat, allowing the unit to remain cool even in ambient temperatures up to 121°C (250°F). This “self-cooling” effect prevents the burnout issues common with electric motors in high-heat zones.

Why the Gast 4AM Series is the Best Investment

Investing in the Gast 4AM-NRV-54A Air Motor is an outstanding decision for any facility looking to simplify its maintenance routine. One of the most efficient aspects of Gast products is their ease of service; with low-cost repair kits, your Gast 4AM-NRV-54A Air Motor can be rebuilt to factory specifications in minutes, extending its lifespan for decades.

The efficient power-to-weight ratio of this air motor allows it to deliver significant force while remaining small enough for tight installations. Backed by Gast’s world-class American engineering, the 4AM-NRV-54A offers a safer, more reliable alternative to electric motors in damp, dusty, or volatile conditions. When your facility requires an outstanding combination of 1.7 HP power and spark-resistant safety, the Gast 4AM-NRV-54A Air Motor is the industry’s most efficient answer.

Read More :

Brand

GAST

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

FeatureSpecification
Maximum Power1.7 hp (1.27 kW)
Maximum Speed3,000 RPM
Max Air Consumption78 CFM ($132.5 m^3/h$)
Maximum Torque56 lb-in (6.3 Nm)
Starting Torque @ 80 psi34 lb-in (3.8 Nm)
Port Size1/4″ NPT
Shaft Diameter0.625 in (5/8″)
Net Weight12 lbs (5.4 kg)

Features

  • NEMA 56C Mounting: Features the industry-standard C-face flange and a 5/8″ (0.625 in) keyed shaft, allowing it to bolt directly to standard gear reducers and pumps.
  • 4-Vane Configuration: Provides a balanced, high-torque output suitable for most general-purpose industrial applications.
  • Variable Speed & Torque: Speed can be precisely controlled from 300 to 3,000 RPM by simply adjusting the air pressure or flow volume via a regulator.
  • Explosion Proof: Non-electrical design is inherently safe for chemical plants, refineries, and spray booths.
  • Instantly Reversible: A 4-way control valve allows the motor to switch rotation directions instantly, even while running under full load.
  • Stall-Safe: Can be stalled indefinitely without damage, providing built-in protection against mechanical overloads.

Applications

  • Industrial Agitators: Driving large mixers for paints, resins, or chemicals in 55-gallon drums or small tanks.
  • Conveyor Systems: Powering transport lines in “wash-down” zones or hazardous processing environments.
  • Hose Reels: Providing spark-free retraction power for heavy fuel or chemical hoses.
  • Pump Drives: Operating centrifugal or diaphragm pumps in areas where electric power is unavailable or dangerous.
  • OEM Machinery: Integrated into automated assembly equipment requiring a rugged, cool-running NEMA motor.