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WEG W21Xd Explosion Proof Motor

The WEG W21Xd is an explosion proof motor especially designed to operate in environments with the presence of explosive atmospheres.

WEG W21 Explosion Proof Motor

The WEG 21 includes a robust construction, a flame retention system with gaps between the parts carefully designed, accurate machining on the terminal box and screws with high mechanical strength. It meets the requirements of explosive atmospheres like Zone 1 and Zone 2.

WEG explosion-proof motors feature a protection system that confines parts able to ignite an explosive atmosphere in an enclosure capable to withstand an internal explosion without allowing propagation to the external environment.

Features

Explosion-Proof Motor

WEG explosion-proof motors feature a protection system that confines parts able to ignite an explosive atmosphere in an enclosure capable to withstand an internal explosion without allowing propagation to the external environment.

Frame

  • Robust construction and high mechanical strength
  • Flame retention system with carefully designed interstices between parts
  • Eyebolts: simple handling and increased safety during installation

Endshields

  • Endshields manufactured in cast iron, providing a robust structure that avoids deformations

Terminal Box

  • Highly precise machining that avoids the propagation of internal explosions 
  • Ample internal space
  • Manufactured in cast iron
Frequency (Hz)50
Voltage (v)240/415
Protection IP55
Synchronous speed (rpm)750, 1000, 1500, 3000
Output rating (kW)0.75, 1.1, 1.5, 2.2, 3, 4, 5.5, 7.5, 9.2, 11, 15, 18.5, 22, 30, 37, 45, 55, 75, 90, 110, 132, 150, 160, 185, 200, 250, 280, 300, 315
Mounting Foot-mounted
No. of poles2, 4, 6, 8
EnclosureIC411 – TEFC
Frame MaterialCast Iron
Impregnation Method Dip and Bake Polyester
Shaft Material SAE 1040/45 Carbon Steel 
PaintingMUNSELL 7.5 R 4/14 203A (ISO 12944 – C2) 
WEG – Explosion Proof Motor – W21Xd Specifications.
50%75%100%
9293.595
Efficiency chart (readings from W21 Explosion Proof A.R.Plus/High Efficiency 200 kW 6P 355M/L 3Ph 415 V 50 Hz)

Benefits

  • Safety: These motors are built to withstand and contain any internal explosion, ensuring that hazardous conditions do not propagate to the surrounding environment.
  • Hazardous Environment Compatibility: The WEG 21 Explosion-proof motor is suitable for use in hazardous environments classified as Class I (gases and vapors) and Class II (dust).
  • Robust Construction: These motors are constructed with sturdy and durable materials, including explosion-proof enclosures made of cast iron or aluminum.
  • Motor Performance: WEG 21 Explosion-proof motors offer high-performance capabilities. They are designed to deliver reliable operation and maintain efficiency even in challenging conditions. These motors can handle demanding loads and provide consistent power output, ensuring smooth operation in critical industrial processes.
  • Reliability and Longevity: WEG is a reputable manufacturer known for producing reliable and durable motors. The WEG 21 Explosion-proof motor is designed for longevity, minimizing maintenance requirements and reducing downtime in industrial operations.

Applications

  • Pumps
  • Fans and Blowers
  • Compressors
  • Conveyors and Material Handling
  • Mixers and Agitators
  • Crushers and Grinders
  • Centrifuges
  • Industrial Saws
  • Agribusiness Equipment
  • Industrial Ovens and Dryers
  • Packaging Machinery

Industries

  • Chemical
  • Mining & Heavy Industry
  • Oil and Gas

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