A bulb device 100 for a sprinkler device 200 of a fire suppression system, and a method of manufacturing a bulb device 100. The bulb device 100 includes a sprinkler bulb 101; a wireless communication device 120; and a coupling 150 affixing the wireless communication device 120 to an external surface of the sprinkler bulb 101.

A bulb device 100 for a sprinkler device 200 of a fire suppression system, and a method of manufacturing a bulb device 100. The bulb device 100 includes a sprinkler bulb 101; a wireless communication device 120; and a coupling 150 affixing the wireless communication device 120 to an external surface of the sprinkler bulb 101.

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.

The present invention provides an apparatus for identifying irregular flow, at the entrance of hydrant outlet. The apparatus comprised of: a ring shaped housing having interface for connecting on one end the hydrant pipe end and on the other end to the hydrant outlet part, at least two flow detection sensors positioned in said ring shaped housing, located at predefined distance for each other, a processor for analyzing in real-time sensors measurements, by checking time differences between the detectors received signals and differences between measurements level of the detectors, wherein based on said analysis is determined if the liquid flow is in outward direction form the hydrant or in ward direction from into the hydrant and for calculating flow quantity and communication module for sending alerts based on the analyzed data.

The present invention provides an apparatus for identifying irregular flow, at the entrance of hydrant outlet. The apparatus comprised of: a ring shaped housing having interface for connecting on one end the hydrant pipe end and on the other end to the hydrant outlet part, at least two flow detection sensors positioned in said ring shaped housing, located at predefined distance for each other, a processor for analyzing in real-time sensors measurements, by checking time differences between the detectors received signals and differences between measurements level of the detectors, wherein based on said analysis is determined if the liquid flow is in outward direction form the hydrant or in ward direction from into the hydrant and for calculating flow quantity and communication module for sending alerts based on the analyzed data.

Corrosion resistant sprinklers and methods thereof include a sprinkler frame body having an internal passageway with an inlet and an outlet; a fluid deflecting member spaced from the outlet and means for non-frangible thermal actuation fluid control after exposure to an extreme salt environment. Means include a seal assembly disposed in the outlet, a screw member engaged with the sprinkler frame and a link assembly in a supporting orientation with respect to the sealing assembly to maintain and control transfer of a sealing force of the screw member against the seal assembly in a corrosive environment. Methods of obtaining or providing a corrosion resistant sprinkler include exposing sprinklers to a salt spray for an exposure period of over ten days and maintaining seal integrity after the exposure period and subsequently operating each sprinkler in a bath test within 3.5% of a nominal temperature rating of the sprinkler.

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 testbench system is disclosed. The system includes a network interface; a memory storage; a transducer; and one or more processors. The one or more processors are configured to operate in a first phase and: perform calibration of the transducer and generate calibration data; generate a unique identification (CTS-ID) for the transducer based on the calibration data; mark the transducer with the CTS-ID; and provide the CTS-ID and the calibration data to the network interface for transmission to a database.

A method of detecting leakage from a central detector unit 2 of an aspirating fire detection system 1 is described. The method includes actuating a valve 8 to block an outlet 8 of the detector unit 2, operating an aspirator 6 of the detector unit 2 at maximum power, and measuring a differential air pressure across the aspirator 6. If the resulting measured air pressure is below a predetermined threshold, it can be inferred that there is a leak within the central detector unit 2 downstream of the aspirator 6.