bisco industries Blog

Hazardous Location Enclosures for the Oil and Gas Industry

Hoffman‘s comprehensive selection of hazardous location enclosures makes them a preferred manufacturer for control, automation, and oil and gas applications. Applications range from PLC and DCS control systems to marshalling cabinets (all manufactured to the strictest global standards).  In addition, Hoffman’s Zonex enclosures are ATEX and IECEx certified, delivering a robust solutions where explosive gas and dust are present.

Hoffman provides a broad range of hazardous location accessories such as window kits, hole seals, vent drains, lights, and purge controllers. They also offer heavy-duty bases for high-wind applications and corrosion-resistant paints and coatings.

Looking for explosion proof enclosures? Hoffman offers two types of explosion proof enclosures that meet rigorous industry standards.

Hoffman SX7 Series Junction Boxes

SX7 series junction boxes can be used to house electrical connections, motor starters, circuit breakers, control stations, terminal blocks, pilot lights, switch racks, panelboards and more.


  • Low copper aluminum alloy and stainless steel bolts and screws for corrosion resistance
  • Gasket o-rings provides type 4X rating
  • Internal mounting panel
  • External earth screw
  • NPT threads for rigid conduit
  • Body and cover can be drilled and threaded according to customers’ specifications

Hoffman SX9 Series Screw Cover Enclosure

SX9 series enclosures are UL certified and feature a screw cover making them ideal for hazardous locations. SX9 junction boxes can be utilized for electrical equipment such as fuses, relays, disconnectors, remote control switches, and transformers.


  • Constructed of low copper content aluminum alloy
  • Body and cover can be drilled and threaded according to custom specifications
  • Internal/external stainless steel earth screws
  • Mounting panel and mounting screws included
  • Gasket between body and cover

bisco – Your Authorized Source for Hoffman

Whatever your requirements, you can depend on Hoffman’s extensive line of enclosures for oil and gas applications. To find Hoffman product information, pricing, availability, place orders, or browse bisco’s entire junction box catalog visit

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