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How to purchase A Zone 2 Skid Mounted Diesel Generator

When purchasing Hazardous Area Power Equipment like a zone 2 skid mounted generator, it is crucial to have an in-depth understanding of the equipment and the hazards of the environment. Zone 2 skid mounted generator includes the risk classification system that defines the likelihood of an explosive atmosphere being present and how long it will persist. The two dominant systems are the Zone system, used throughout Europe and much of the world under ATEX standards, and the Division system, which is more commonly found in North America under NEC and Canadian Electrical Code regulations.

The first step in selecting a piece of Hazardous Area Equipment is determining the Zone it will be installed in. This is a systematic process of analyzing fluid properties, ventilation patterns and potential release sources to create a detailed map of the risks in your facility. The specific hazard will also play a significant role as different gases and dusts have varying ignition properties. For example, a gas-powered generator must be classified for a Zone 2 environment only if the hazard is inflammable in concentrations that are unlikely to occur during normal operation but will exist for short periods of time in abnormal conditions (e.g. a ruptured flanged pipe joint).

A typical diesel generator can be a significant ignition source because its surfaces can reach 500degC, it generates sparks in its electrical system and releases carbon particles into the exhaust stream. To make a generator safe for a Zone 2 environment, it must be re-engineered to eliminate these ignition sources. This typically involves installing a water-cooled engine to reduce surface temperatures to a maximum of 200degC for a T3 rating, incorporating certified spark arrestors and employing protection methods like Ex d, Ex e and Ex nR to prevent ignition by flammable gases or dusts.

Insist on purchasing a complete Hazardous Area Power Equipment solution from a supplier with an extensive global presence and an in-depth understanding of regional regulations. A top-tier supplier will know the rig-safe requirements of Russia, the documentation needed to get equipment into Brazil and the local content rules that apply in Southeast Asia. They will also keep meticulous records and only use certified components to ensure the integrity of their final assemblies.