- 업종: Fire safety
- Number of terms: 98780
- Number of blossaries: 0
- Company Profile:
Established in 1896, NFPA's mission is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.
A wet pipe sprinkler system having non-fire protection connections to automatic sprinkler systems in a closed-loop piping arrangement for the purpose of utilizing sprinkler piping to conduct water for heating or cooling, where water is not removed or used from the system but only circulated through the piping system.
Industry:Fire safety
A wet pipe sprinkler system employing automatic sprinklers that are attached to a piping system that contains an antifreeze solution and that are connected to a water supply. The antifreeze solution is discharged, followed by water, immediately upon operation of sprinklers opened by heat from a fire.
Industry:Fire safety
A wet or dry device (or assembly of devices) in a fuel gas line designed to perform the following three functions: (1) prevent backflow of oxygen into the fuel gas supply system; (2) prevent the passage of flame into the fuel gas supply system (flashback); (3) prevent the development of a fuel gas-oxygen mixture at sufficient pressure so that its ignition would achieve combustion pressures that could cause failure to perform functions (1) and (2). This device is given the diagram symbol PF.
Industry:Fire safety
A weight allowance for personal gear that is carried on the apparatus by each fire-fighting crew member.
Industry:Fire safety
A weather-resistant material used to enclose the perimeter of the conditioned living area of the home from the bottom of the manufactured home to grade.
Industry:Fire safety
A way out of a building or structure that does not conform to the strict definition of means of egress but does provide an alternate way out.
Industry:Fire safety
A way of passage from one building to an area of refuge in another building on approximately the same level, or a way of passage through or around a fire barrier to an area of refuge on approximately the same level in the same building that affords safety from fire and smoke originating from the area of incidence and areas communicating therewith.
Industry:Fire safety
A water-based extinguishing medium that uses an alkali metal salt as a freezing point depressant.
Industry:Fire safety
