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Polyphenylene sulfide PPS is an organic polymer consisting of aromatic rings linked with sulfides. The distinguished properties of PPS such as flame retardant, chemical resistant, corrosion resistant, dimensional stability, and low moisture absorption are responsible for substitution of heavy meta

Constructed with the enclosure combination for flame proof aluminum alloy Ex d housing and increased safety aluminum alloy Ex e housing, SPN-de-IIB series explosion proof panel is defended by dual protection and operated by flame proof threaded switching handle on hubs of the housing cover. A scientific combination for several pieces housing of explosion proof panelboards have both panel function and junction box function meeting parts of complicated need, the hazard class division is class 1 div 2 for group C, D and zone 1 for group IIC.

To be suitable for class 1 div 1, group C, D and zone 1 group IIB, SPN-d-IIB series explosion proof panel have flame proof Ex d type aluminum housing and internal general type circuit breaker, control pushbuttons, indicators and can resist the mostly used hazardous condition excluding acetylene and hydrogen atmosphere. Flexible operating handle of explosion proof panelboards is designed for free switch off on the front cover access and optional surface and free-standing bracket bring convenience for installation.

Stainless steel material explosion proof panel SPN-ed-S series are widely used to withstand high strength mechanical impact and resist high corrosive condition in explosive atmosphere. Installed with built-in flame proof Ex d circuit breaker in increased safety Ex e housing and operating handle on the housing cover, this explosion proof panelboards can be used as hazardous location panel and atex db whose hazard class division is class 1 div 2 group A, B, C, D and zone 1 group IIC.