2019年11月14日星期四

Explosive and fire hazard zoning

According to "Design Specification for Electrical Apparatus in Explosion and Fire Hazardous Environment" GB, the division of explosive and fire hazardous environment is as shown in the table. You may also check the magnetic pump, high temperature magnetic pump, stainless steel magnetic pump, pipe pump, vertical Pipeline pumps, horizontal pipe pumps, pneumatic diaphragm pumps, electric diaphragm pumps and other products interested, welcome to consult! Category Explosive gas atmospheres Explosive dust Environment Fire hazard Environment Division 0 Zone 1 Zone 2 Zone 10 Zone 11 Zone 21 Zone 22 Zone 23 Zone Environmental conditions Continuous or explosive Atmospheric explosive mixture may appear during normal operation Explosive gaseous mixture Environment Under normal operation, it is impossible for the environment of explosive gas mixture to appear or only for a short time even if there is an environment of explosive gas mixture Continuous or long-term explosive dust environment Sometimes the dust left behind may occasionally explode Dust mixture environment Flammable liquids with flash point above ambient temperature, rings capable of posing a fire hazard in quantity and configuration Flammable dust or flammable fibers in suspension form, although it is not possible to form explosive mixtures, but in quantities and configurations An environment that can cause a fire hazard Examples of an environment that has a solid combustible material that can pose a fire hazard in quantity and configuration Natural containers with flammable liquids Naturally First-stage release conditions under conditions such as slight leaks from pump seals Flammable Substances under second-level release under naturally-ventilated conditions such as pump will not, or will only momentarily, release flammable substances Graphite, carbon black, Red phosphorus, sulfur and other conductive and easy to be suspended in the air of the combustible dust Note: normal operation refers to the normal promotion, operation, stop harsh, flammable material handling, Mission, Safety, Emission, and all plant equipment are within their design parameters.

Aluminum Honeycomb Core Panels

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