BHJ Explosion Proof Unions

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Designed for explosive atmospheres Zone 1 and Zone 2; Designed for combustible dust Zone 20, Zone 21 and Zone 22; Designed for II A, IIB, IIC groups explosive atmospheres; Designed for explosive hazardous locations such as oil refinery, storage, chemical, pharmaceuticals, militaryindustries, etc. Different types and specifications are available for selection.

Model Code

Ordering References

Normal type is G with same specification at each end; Metric, NPT and other thread specifications are available as per request; For example: 1.If need explosion proof unions with carbon steel, G3/4”,F-F,the model shall be”BHJ-G3/4A” 2. If need explosion proof unions with stainless steel,M-F,G3/4”, M25×1.5,the model shall be “BHJ II-B(G3/4FM25×1.5M”.


Material is of carbon steel or stainless steel; Thread can be made as per request.

Technical Parameters

Compliance with: GB 3836.1, GB 3836.2,GB 3836.3,GB 12476.1, GB12476.5, IEC60079-0, IEC60079-1; Explosion protection:Ex d IIC Gb/Ex e IIC Gb/Ex tD A21 IP66

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