Abstract: Sectional fire protection systems and methods for the protection of an attic space are provided. A fluid control thermal detection device is located above a ceiling base within a spherical radial distance proximate a peak region of the attic space. An open fluid distribution device is disposed between the roof deck and the ceiling base and connected to the fluid control thermal detection device for receipt of firefighting fluid from the fluid control thermal detection device.

Abstract: A sprinkler assembly includes a body defining an inlet, an outlet, and a fluid passage extending along a longitudinal axis between the inlet and the outlet. A guide pin aperture is defined by at least one of the body or a bushing coupled to the body. The sprinkler assembly further includes a deflector slidably coupled to the body. The deflector includes a deflector body coupled to a guide pin. The guide pin includes a shaft portion extending through the guide pin aperture and a shoulder that is wider than the shaft portion and configured to engage at least one of the body or the bushing to limit movement of the deflector body away from the body.

Abstract: A sprinkler assembly includes a body defining an inlet, an outlet, and a fluid passage extending along a longitudinal axis between the inlet and the outlet. A guide pin aperture is defined by at least one of the body or a bushing coupled to the body. The sprinkler assembly further includes a deflector slidably coupled to the body. The deflector includes a deflector body coupled to a guide pin. The guide pin includes a shaft portion extending through the guide pin aperture and a shoulder that is wider than the shaft portion and configured to engage at least one of the body or the bushing to limit movement of the deflector body away from the body.

Abstract: Water mist fire protection systems and methods for the protection of data centers having a raised floor defining an interstitial space beneath the floor. The systems and methods include the location of a plurality of automatic water mist nozzles above and/or beneath the floor to generate a water mist for effectively addressing a fire in the presence of a flow of forced air ventilation through the interstitial space. The systems and methods of water mist fire protection include the interconnection of the automatic water mist nozzles to a water supply to provide for dry pipe or preaction systems and methods. Water mist fire protection of data cen-ters using fire propagating cable is also provided.

Abstract: A fire exposure protection sprinkler assembly provides fire exposure protection for one or more windows and includes a fire exposure protection sprinkler, a sealing assembly configured to unseal in response to a fire such that fire exposure protection fluid may flow from the fire exposure protection sprinkler, and a housing having a pair of legs, with each of the legs having an aperture. The assembly also includes a deflection assembly configured to extend from the housing due to gravity and activation of a cover plate, with a deflector configured to disperse the fire exposure protection fluid over the one or more windows so as to wet the one or more windows.

Abstract: Water mist fire protection systems and methods for the protection of data centers having a raised floor defining an interstitial space beneath the floor. The systems and methods include the location of a plurality of automatic water mist nozzles above and/or beneath the floor to generate a water mist for effectively addressing a fire in the presence of a flow of forced air ventilation through the interstitial space. The systems and methods of water mist fire protection include the interconnection of the automatic water mist nozzles to a water supply to provide for dry pipe or preaction systems and methods. Water mist fire protection of data centers using fire propagating cable is also provided.

Abstract: Antifreezes are provided for deployment in wet sprinkler systems located in cold environments. The antifreezes allow for the wet sprinkler system to be actuated under temperatures below 32° F. Wet sprinklers, sprinkler systems, methods of providing for the control, suppression and/or extinguishment of a fire that occur in a cold environment, and methods of preventing wet sprinklers from freezing also are provided. The sprinklers, sprinkler systems and methods can be used in residential, commercial and storage settings.

Abstract: Antifreezes are provided for deployment in wet sprinkler systems located in cold environments. The antifreezes allow for the wet sprinkler system to be actuated under temperatures below 32° F. Wet sprinklers, sprinkler systems, methods of providing for the control, suppression and/or extinguishment of a fire that occur in a cold environment, and methods of preventing wet sprinklers from freezing also are provided. The sprinklers, sprinkler systems and methods can be used in residential, commercial and storage settings.

Abstract: A sprinkler assembly includes a body defining an inlet, an outlet, and a fluid passage extending along a longitudinal axis between the inlet and the outlet. A guide pin aperture is defined by at least one of the body or a bushing coupled to the body. The sprinkler assembly further includes a deflector slidably coupled to the body. The deflector includes a deflector body coupled to a guide pin. The guide pin includes a shaft portion extending through the guide pin aperture and a shoulder that is wider than the shaft portion and configured to engage at least one of the body or the bushing to limit movement of the deflector body away from the body.

Abstract: A fire exposure protection sprinkler assembly includes a fluid supply line configured to provide fire exposure protection fluid and a fire exposure protection sprinkler. The fire exposure protection sprinkler includes a body coupled to the fluid supply line and configured to receive the fire exposure protection fluid, a sealing assembly configured to unseal in response to a fire such that fire exposure protection fluid may flow, a housing having a pair of legs arranged opposite the housing of each other and having an aperture, and a deflection assembly having a pair of guide pins coupled to a deflector and the housing and disposed within each of the apertures of the legs, wherein the deflection assembly is configured to extend from the housing, wherein the deflection assembly is configured to receive the flow of the fire exposure protection fluid while extending from the housing.

Abstract: A fire exposure protection sprinkler assembly provides fire exposure protection for one or more windows and includes a fire exposure protection sprinkler, a sealing assembly configured to unseal in response to a fire such that fire exposure protection fluid may flow from the fire exposure protection sprinkler, and a housing having a pair of legs, with each of the legs having an aperture. The assembly also includes a deflection assembly configured to extend from the housing due to gravity and activation of a cover plate, with a deflector configured to disperse the fire exposure protection fluid over the one or more windows so as to wet the one or more windows.

Abstract: A fire exposure protection sprinkler assembly includes a fluid supply line configured to provide fire exposure protection fluid and a fire exposure protection sprinkler. The fire exposure protection sprinkler includes a body coupled to the fluid supply line and configured to receive the fire exposure protection fluid, a sealing assembly configured to unseal in response to a fire such that fire exposure protection fluid may flow, a housing having a pair of legs arranged opposite the housing of each other and having an aperture, and a deflection assembly having a pair of guide pins coupled to a deflector and the housing and disposed within each of the apertures of the legs, wherein the deflection assembly is configured to extend from the housing, wherein the deflection assembly is configured to receive the flow of the fire exposure protection fluid while extending from the housing.

Abstract: Fire protection system and methods for concealed spaces providing for effective fire protection over an effective depth range measuring from a minimum six inches up to a maximum that is greater than thirty-six inches. A combustible concealed space that includes an upper deck and a ceiling deck spaced about a longitudinal axis extending substantially parallel to the ceiling deck with a fire protection system having a firefighting fluid supply pipe and at least one automatic upright sprinkler coupled to the fluid supply pipe and positioned to define an effective depth range that measures from six inches to a maximum of at least sixty inches.

Abstract: Fire protection system and methods for concealed spaces providing for effective fire protection over an effective depth range measuring from a minimum six inches up to a maximum that is greater than thirty-six inches. A combustible concealed space that includes an upper deck and a ceiling deck spaced about a longitudinal axis extending substantially parallel to the ceiling deck with a fire protection system having a firefighting fluid supply pipe and at least one automatic upright sprinkler coupled to the fluid supply pipe and positioned to define an effective depth range that measures from six inches to a maximum of at least sixty inches.

Abstract: Wet fire protection systems and methods for the protection of a stored commodity are provided. The system includes a supply portion coupled to a water supply and a demand portion including a plurality of sprinklers disposed above the commodity with each sprinkler having an operating pressure range. The plurality of sprinklers are interconnected by a network of pipes filled with water to provide each sprinkler with an initial pressure of water. A pressure control assembly is disposed between the supply portion and the demand portion to withhold fluid pressure from the supply portion from pressurizing the demand portion for a predetermined withholding period following actuation of at least one sprinkler in response to a fire.

Abstract: A sprinkler assembly includes a body defining an inlet, an outlet, and a fluid passage extending along a longitudinal axis between the inlet and the outlet. A guide pin aperture is defined by at least one of the body or a bushing coupled to the body. The sprinkler assembly further includes a deflector slidably coupled to the body. The deflector includes a deflector body coupled to a guide pin. The guide pin includes a shaft portion extending through the guide pin aperture and a shoulder that is wider than the shaft portion and configured to engage at least one of the body or the bushing to limit movement of the deflector body away from the body.

Abstract: Water mist fire protection systems and methods for the protection of data centers having a raised floor defining an interstitial space beneath the floor. The systems and methods include the location of a plurality of automatic water mist nozzles above and/or beneath the floor to generate a water mist for effectively addressing a fire in the presence of a flow of forced air ventilation through the interstitial space. The systems and methods of water mist fire protection include the interconnection of the automatic water mist nozzles to a water supply to provide for dry pipe or preaction systems and methods. Water mist fire protection of data centers using fire propagating cable is also provided.

Abstract: Water mist fire protection systems and methods for the protection of data centers having a raised floor defining an interstitial space beneath the floor. The systems and methods include the location of a plurality of automatic water mist nozzles above and/or beneath the floor to generate a water mist for effectively addressing a fire in the presence of a flow of forced air ventilation through the interstitial space. The systems and methods of water mist fire protection include the interconnection of the automatic water mist nozzles to a water supply to provide for dry pipe or preaction systems and methods. Water mist fire protection of data centers using fire propagating cable is also provided.

Abstract: A thermally responsive fluid control valve includes a thermally responsive actuating assembly and a body having an inlet, at least one outlet, and a valve seat formed internally of the inlet. An axially translating sealing assembly is supported in a seated position against the valve seat by the thermally responsive actuating assembly and the sealing assembly has an unseated position upon operation of the actuating assembly. The sealing assembly includes a sealing member having an impact surface for redirecting fluid from the inlet to the at least one outlet and a rod member with an outer surface in a surface engagement with the opening of a cover plate and/or the actuating assembly to orient the sealing member such that the impact surface directs fluid flow to the outlets.

Abstract: Sectional fire protection systems and methods for the protection of an attic space are provided. A fluid control thermal detection device is located above a ceiling base and one or more open fluid distribution devices are disposed, spaced and connected to the fluid control thermal detection device for receipt of firefighting fluid from the fluid control thermal detection device to protect the attic space with a desired fluid density and total system flow demand.