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Pyroban develops EX solution for Cat 906H wheel loader

Monday, July 13, 2009

The large number of dust related incidents has resulted in an OSHA enforcement campaign which focuses on improvement of employee safety in facilities that face dust explosion hazards. The fact that OSHA’s eye has now fallen on dangers posed by powered industrial equipment is these facilities should come as no surprise.

Recently Pyroban Corp was contacted by a major sugar refiner to design an EX solution for the Caterpillar 906H wheel loader which will be used in a Class 2 Division 1 explosion hazardous dust atmosphere. Since US codes and regulations to ensure safe operation of diesel powered industrial equipment in potentially explosion hazardous areas have never been developed, Pyroban decided to offer a solution which is in compliance with the internationally recognized ATEX 94/9/EC standard that covers the use of powered industrial equipment in potentially explosion hazardous areas

The Equipment Protection Level provided by the Pyroban Zone 21-2D solution is tested and certified for use in Zone 21 IIB T3 explosion hazardous areas (equivalent to Class 2, Division 1, Groups F&G). It offers Passive ignition protection against all know equipment ignition sources:

  • Flashback from the air inlet system
  • Flame or spark emission from the exhaust system
  • Inhalation of dust
  • Hot surfaces
  • Arcs and Sparks from electrical equipment/components
  • Sparks from the discharge of static electricity
  • Sparks from friction
  • Sparks from impact

The Caterpillar 906H wheel loader is the only make and model of this equipment of this type, which can be offered with an Pyroban EX solution for safe operation in Dust hazardous areas. Besides wheel loaders, Pyroban can offer certified solutions for many types of diesel and electric powered industrial equipment which are operated dust hazardous areas such as forklifts pallet trucks, man lifts and sweepers.

For more information, please contact Pyroban Corp. Phone 973/748-0760, Fax: 973/842-0508 or e-mail You can find us on the web at or

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