A fire protection device and a fire protection method for an equipment room are provided. The fire protection device for the equipment room includes: a carbon dioxide fire extinguisher and a foam fire extinguisher; and a control module, in which the control module is configured to acquire fire information and person information, the person information representing a person situation in the equipment room, and the control module is further configured to control one of the carbon dioxide fire extinguisher or the foam fire extinguisher to extinguish fire according to the fire information and the person information, to extinguish the fire through the carbon dioxide fire extinguisher in a case that the equipment room is vacant.

A fire protection device and a fire protection method for an equipment room are provided. The fire protection device for the equipment room includes: a carbon dioxide fire extinguisher and a foam fire extinguisher; and a control module, in which the control module is configured to acquire fire information and person information, the person information representing a person situation in the equipment room, and the control module is further configured to control one of the carbon dioxide fire extinguisher or the foam fire extinguisher to extinguish fire according to the fire information and the person information, to extinguish the fire through the carbon dioxide fire extinguisher in a case that the equipment room is vacant.

A system and method for maintaining the integrity of a dry pipe sprinkler system. The system includes an auxiliary drain including a main collection pipe, a heater having a bracket configured to attach the heater to the main collection pipe of the auxiliary drain, the bracket including a deflector configured to direct heat from the heater onto the main collection pipe, and a self-draining apparatus configured to receive excess water from the auxiliary drain.

A system and method for maintaining the integrity of a dry pipe sprinkler system. The system includes an auxiliary drain including a main collection pipe, a heater having a bracket configured to attach the heater to the main collection pipe of the auxiliary drain, the bracket including a deflector configured to direct heat from the heater onto the main collection pipe, and a self-draining apparatus configured to receive excess water from the auxiliary drain.

Systems and methods described herein are directed to a sprinkler to provide fire protection. The sprinkler system can include a deflector portion, a head portion, a thermal trigger portion, a trigger seat, or a tubular outer structure. The tubular outer structure can define an internal water flow channel. The water flow channel can extend along a longitudinal axis between an inlet and an outlet. The trigger seat can include a tubular exterior. The tubular exterior can be coupled with the tubular outer structure. The trigger seat can include a component. The component can occlude a flow of fluid through the dry pendent sprinkler assembly. The component can maintain the thermal trigger portion in position. At least one portion of the tubular exterior of the trigger seat can protrude into the water flow channel at an angle towards the longitudinal axis.

Systems and methods described herein are directed to a sprinkler to provide fire protection. The sprinkler system can include a deflector portion, a head portion, a thermal trigger portion, a trigger seat, or a tubular outer structure. The tubular outer structure can define an internal water flow channel. The water flow channel can extend along a longitudinal axis between an inlet and an outlet. The trigger seat can include a tubular exterior. The tubular exterior can be coupled with the tubular outer structure. The trigger seat can include a component. The component can occlude a flow of fluid through the dry pendent sprinkler assembly. The component can maintain the thermal trigger portion in position. At least one portion of the tubular exterior of the trigger seat can protrude into the water flow channel at an angle towards the longitudinal axis.

A dry fire protection sprinkler has an inlet seal assembly to seal an inlet orifice. A spring seal compresses in response to a load. An inlet release unit releases the inlet seal assembly. A flexible tube has an inlet end connected to the inlet release unit. A flexible linkage extends through the flexible tube, and has an inlet end connected to the inlet release. An outlet biasing portion is connected to an outlet end of the tube and an outlet end of the linkage, which displaces upon activation of the sprinkler. A sprinkler body is connected to the outlet biasing portion, with an outlet seal assembly to seal its outlet orifice. When ambient reaches a predetermined temperature, the outlet seal assembly releases from the outlet orifice, and the outlet biasing portion displaces the linkage, causing the inlet of the linkage to operate the inlet release unit, releasing the inlet seal.

A dry fire protection sprinkler has an inlet seal assembly to seal an inlet orifice. A spring seal compresses in response to a load. An inlet release unit releases the inlet seal assembly. A flexible tube has an inlet end connected to the inlet release unit. A flexible linkage extends through the flexible tube, and has an inlet end connected to the inlet release. An outlet biasing portion is connected to an outlet end of the tube and an outlet end of the linkage, which displaces upon activation of the sprinkler. A sprinkler body is connected to the outlet biasing portion, with an outlet seal assembly to seal its outlet orifice. When ambient reaches a predetermined temperature, the outlet seal assembly releases from the outlet orifice, and the outlet biasing portion displaces the linkage, causing the inlet of the linkage to operate the inlet release unit, releasing the inlet seal.

At least one aspect is directed to a fire protection sprinkler system to provide fire protection for an outdoor area. The fire protection system can include a dry pendent sprinkler assembly. The dry pendent sprinkler assembly can include a body portion, a sprinkler head portion, or a deflector portion. The body portion can secure the dry pendent sprinkler assembly with a feed line. The feed line can be disposed on an opposite side of an exterior wall relative to the sprinkler head portion. The feed line can include a fire protection fluid. The body portion can protrude from the exterior wall at an angle of at least 55 degrees relative to a lateral exterior projection that protrudes into the outdoor area from the exterior wall. The dry pendent sprinkler assembly can expel the fire protection fluid to cover the outdoor area.

At least one aspect is directed to a fire protection sprinkler system to provide fire protection for an outdoor area. The fire protection system can include a dry pendent sprinkler assembly. The dry pendent sprinkler assembly can include a body portion, a sprinkler head portion, or a deflector portion. The body portion can secure the dry pendent sprinkler assembly with a feed line. The feed line can be disposed on an opposite side of an exterior wall relative to the sprinkler head portion. The feed line can include a fire protection fluid. The body portion can protrude from the exterior wall at an angle of at least 55 degrees relative to a lateral exterior projection that protrudes into the outdoor area from the exterior wall. The dry pendent sprinkler assembly can expel the fire protection fluid to cover the outdoor area.