Abstract: An enclosure system that can include an enclosure cover comprising a receiving feature. The enclosure system can also include an enclosure body mechanically coupled to the enclosure cover. The enclosure system can further include a cover release mechanism mechanically coupled to the enclosure body and disposed, at least in part, within the receiving feature, where the cover release mechanism is movable between a first position and a second position. The enclosure cover and the enclosure body can be mechanically coupled to each other when the cover release mechanism is in the first position. The enclosure cover and the enclosure body can be, at least in part, separated from each other when the cover release mechanism moves to the second position from the first position.

Abstract: Enclosures for use in hazardous areas include heat exchangers for active thermal management. The enclosures are coupled to a device having heat transfer capabilities. Equipment within the enclosures produces heat within the enclosure. The heat exchanger removes heat produced from the equipment and manages the internal temperature of the enclosures to a level suitable for hazardous locations. The enclosures can be actively cooled or heated using the device.

Abstract: An electrical chamber is disclosed herein. The electrical chamber can include at least one wall forming a cavity, where the at least one wall includes a first end and an inner surface. The electrical chamber can also include a first isolation zone disposed on the inner surface at a first distance from the first end, where the first isolation zone is formed by a first bridge, a first underhang, and a first isolation zone inner surface, where the first bridge protrudes inward toward the cavity from the inner surface, and where the first underhang extends from a distal end of the first bridge. The cavity can be configured to receive at least one electrical conductor. The cavity and the first isolation zone can be configured to receive a potting compound.

Abstract: An enclosure can include a top enclosure portion having a top flange and a first top engagement feature. The enclosure can also include a bottom enclosure portion mechanically coupled to the top enclosure portion, where the bottom enclosure portion has a bottom flange that mechanically couples to the top flange and a first bottom engagement feature that mechanically couples to the first top engagement feature. The enclosure can further include a first fastening device mechanically and movably coupled to the first top engagement feature and the first bottom engagement feature. The first fastening device, in an engaged position, can maintain a flame path between the top flange and the bottom flange. The first fastening device, in a disengaged position, can fail to maintain a flame path between the top flange and the bottom flange.

Abstract: A filter system for an explosion-proof enclosure is described herein. The filter system can include a pre-filter assembly located outside the explosion-proof enclosure. The pre-filter assembly can include a pre-filter material configured to control air passing therethrough. The filter system can also include a filter assembly coupled to the pre-filter assembly. The filter assembly can further control the air received from the pre-filter assembly and passing therethrough into the explosion-proof enclosure.

Abstract: Enclosure clamps and clamp systems are provided for fastening a cover to an enclosure body to provide an explosion-proof container, while minimizing the number of bolts used over conventional systems. The enclosure clamps and clamp systems create a sufficient force so as to provide a flamepath between the cover and the enclosure body. The enclosure clamps described include a channel for receiving the cover and a flange on the enclosure body. The enclosure clamp is secured to the enclosure body by one or more bolts and/or by a cam actuated securing mechanism. The clamp systems described include a force distributing plate secured to a cover by cam actuated securing mechanism that is coupled to an enclosure body. The enclosure clamps and clamp systems allow a user to attach or remove the cover from the enclosure body more easily than possible with conventional explosion-proof enclosures.

Abstract: An enclosure can include a first enclosure portion having a first flange, at least one first engagement feature disposed on a first inner surface of the first enclosure portion, and at least one mounting support. The enclosure can also include a second enclosure portion mechanically coupled to the first enclosure portion and having a second flange and at least one second engagement feature disposed on a second inner surface of the second enclosure portion. The enclosure can further include at least one fastening device mechanically and movably coupled to the at least one mounting support, where the at least one fastening device engages the first flange and the second flange when the one fastening device is in a closed position, and where the at least one fastening device is disengaged from the first flange and the second flange when the one fastening device is in an open position.

Abstract: An explosion-proof enclosure including at least one heat exchanger for active thermal management. Equipment within the enclosure produces heat within the enclosure, while the at least one heat exchanger removes heat produced from the equipment and manages the internal temperature of the enclosure to a level suitable for hazardous locations.

Abstract: An electrical chamber is disclosed herein. The electrical chamber can include at least one wall forming a cavity, where the at least one wall includes a first end and an inner surface. The electrical chamber can also include a first isolation zone disposed on the inner surface at a first distance from the first end, where the first isolation zone is formed by a first bridge, a first underhang, and a first isolation zone inner surface, where the first bridge protrudes inward toward the cavity from the inner surface, and where the first underhang extends from a distal end of the first bridge. The cavity can be configured to receive at least one electrical conductor. The cavity and the first isolation zone can be configured to receive a potting compound.

Abstract: Enclosure clamps and clamp systems are provided for fastening a cover to an enclosure body to provide an explosion-proof container, while minimizing the number of bolts used over conventional systems. The enclosure clamps and clamp systems create a sufficient force so as to provide a flamepath between the cover and the enclosure body. The enclosure clamps described include a channel for receiving the cover and a flange on the enclosure body. The enclosure clamp is secured to the enclosure body by one or more bolts and/or by a cam actuated securing mechanism. The clamp systems described include a force distributing plate secured to a cover by cam actuated securing mechanism that is coupled to an enclosure body. The enclosure clamps and clamp systems allow a user to attach or remove the cover from the enclosure body more easily than possible with conventional explosion-proof enclosures.

Abstract: A system for fastening a cover to a body of an explosion-proof enclosure using a plurality of fastening devices. Each fastening device can include a first load distributing member disposed on a body flange of a body of the explosion-proof enclosure. Each fastening device can also include a second load distributing member disposed on a cover flange of a cover of the explosion-proof enclosure. Each fastening device can further include a fastener positioned atop the first load distributing member, where the fastener traverses the first load distributing member, the cover flange, and the body flange. Each fastening device can also include a fastener receiver positioned under the second load distributing member and mechanically coupled to the fastener.

Abstract: A system for fastening a cover to a body of an explosion-proof enclosure using a plurality of fastening devices. Each fastening device can include a first load distributing member disposed on a body flange of a body of the explosion-proof enclosure. Each fastening device can also include a second load distributing member disposed on a cover flange of a cover of the explosion-proof enclosure. Each fastening device can further include a fastener positioned atop the first load distributing member, where the fastener traverses the first load distributing member, the cover flange, and the body flange. Each fastening device can also include a fastener receiver positioned under the second load distributing member and mechanically coupled to the fastener.

Abstract: Example embodiments are directed to an enclosure. The enclosure can include at least one wall forming a cavity. The enclosure can also include a conduit receiver disposed in the at least one wall. The conduit receiver can include a housing having an aperture, where the aperture is configured to receive a conduit. The conduit receiver can also include a retaining element disposed within the housing at a distal end of the housing. The conduit receiver can further include a sealing device disposed within the housing at a proximal end of the housing. The conduit receiver can also include a bushing adjacent to the proximal end of the housing, where the bushing extends radially inward from the at least one wall, where the bushing is configured to abut against the conduit when the conduit is received in the aperture, and where the bushing covers an end of the conduit.

Abstract: A system for fastening a cover to a body of an explosion-proof enclosure using a plurality of fastening devices. Each fastening device can include a first load distributing member disposed on a body flange of a body of the explosion-proof enclosure, and a second load distributing member disposed on a cover flange of a cover of the explosion-proof enclosure. A fastening device can also include a securing member having a top end disposed on the first load distributing member and a bottom end disposed on the second load distributing member. A fastening device can further include a cam rotatably coupled to and positioned atop the first load distributing member.

Abstract: Example embodiments are directed to a field serviceable conduit receiver. The field serviceable conduit receiver can include an adapter and a coupling device. The adapter can have an adapter cavity traversing therethrough. The adapter can include an adapter base configured to couple to an end of a conduit, and an adapter body located adjacent to the adapter base. The coupling device can be located adjacent to the adapter and have a coupling device cavity traversing therethrough. The coupling device can include a coupling base configured to be disposed around an outer surface of the conduit, and a coupling body located adjacent to the coupling base, where the coupling body has at least one coupling feature that is configured to removably couple to a complementary coupling feature disposed on a wall of the enclosure.

Abstract: Indicator devices, systems, and methods are provided. Indicator devices include a housing having a bore and an indicating component placed therein. The indicator devices are activated in response to an increase in temperature or pressure. Indicator systems include an indicator device coupled to a housing, such as a conduit or enclosure. Methods include utilizing an indicator device to determine if an area within a conduit or enclosure has been sealed.

Abstract: An enclosure diagnostic and control system is described herein. The system can include a controller having a storage repository, where the storage repository includes at least one threshold value and at least one algorithm. The system can also include an enclosure communicably coupled to the controller and electrically coupled to a field device. The system can further include a number of sensors communicably coupled to the controller, where the sensors measure a number of field values of a number of parameters associated with the field device. The controller can evaluate the field values using the at least one algorithm to generate an evaluated value. The controller can output a control signal based on the evaluated value.

Abstract: A method of communicating a condition in a hazardous location. The method can include determining, using a controller of a first controller communicably coupled to a measuring device, the condition in the hazardous location, and emitting, based on the condition, a first light output from a first light source in the hazardous location. The method can also include receiving, using a second enclosure located in the hazardous location, a visible light communication (VLC) signal from the first light output, and emitting, from a second light source of the second enclosure, a second light output, where the second light output comprises the VLC signal. The method can further include receiving, using a base device, the VLC signal from the second light output, translating the VLC signal into a communication format, and sending the VLC signal in the communication format.

Abstract: A system for fastening a cover to a body of an explosion-proof enclosure using a plurality of fastening devices. Each fastening device can include a first load distributing member disposed on a body flange of a body of the explosion-proof enclosure, and a second load distributing member disposed on a cover flange of a cover of the explosion-proof enclosure. A fastening device can also include a securing member having a top end disposed on the first load distributing member and a bottom end disposed on the second load distributing member. A fastening device can further include a cam rotatably coupled to and positioned atop the first load distributing member.

Abstract: Indicator devices, systems, and methods are provided. Indicator devices include a housing having a bore and an indicating component placed therein. The indicator devices are activated in response to an increase in temperature or pressure. Indicator systems include an indicator device coupled to a housing, such as a conduit or enclosure. Methods include utilizing an indicator device to determine if an area within a conduit or enclosure has been sealed.